Hire the best FreePBX specialists

Check out FreePBX specialists with the skills you need for your next job.
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  • $150 hourly
    A Top-Rated, Expert-Vetted VoIP/Software engineer with over 20 years of experience. My experience ranges from Asterisk/FreePBX phone systems, SMS messaging, Linux operating systems, to network administration. I believe you deserve a more professional, reliable, and personalized business experience, and I bring that mindset to every project. Whether I’m developing top-secret code for Lockheed Martin, or AI telephone agents for Nomo, or creating privacy-first communications for Mecca Hosting, Inc, or designing secure, high availability Asterisk systems for TeleConnx Inc., or handling difficult troubleshooting tasks, I always commit myself to the same standard: creative, client-first solutions and efficient, high-quality work, completed in a fraction of the time. I have a passion for transforming mundane phone interactions into exciting customer experiences, and I lean on decades of experience to create solutions that others would find impossible. In short, I can make your telephone system do pretty much anything, including turning on your coffee maker in the morning. I look forward to working with you!
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    MySQL
    Kamailio
    Linux System Administration
    Amazon Web Services
    VoIP Administration
    Asterisk
    API Development
    C
    VoIP Software
    LAMP Administration
    Session Initiation Protocol
    Linux
    VoIP
    Business with 10-99 Employees
  • $95 hourly
    Technology leader whose qualifications include a certification in Helpdesk Management and Operations Management; and detailed knowledge of networking technologies and best practices. Over 24 years of experience in the creation and deployment of solutions protecting networks, systems and information assets for the Education sector as well as for diverse companies and organizations. Proficient in the following Systems/Technologies: Linux Based Systems (Ubuntu, Debian and CentOS); Windows Desktop (all), Asterisk VOIP Systems, Windows Server Operating Systems (2000-2022), Active Directory Administrator, VMWare Esxi 5.5-7, HyperV. Proxmox, Google Workspace Admin and Office 365 Admin, Sharepoint Admin. Experience with Blockchain technologies. In the Managed IT Services sector I have experience with Nable, NinjaOne and Connectwise. LANs, WANs, VPNs, Routers, Firewalls, TCP/IP, Aruba WiFi and Switches, Ubiquiti Unify, Sophos In my current role I work as a Sr. Systems Engineer, Incident Manager and IT Consultant. I look forward to discussing your specific technology project with you.
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    Blockchain
    Telecommunications Engineering
    Microsoft SharePoint Administration
    Data Center Operations
    Mobile QA
    VMware ESX Server
    VMware Administration
    Network Administration
    Linux System Administration
    Windows Administration
    TCP/IP
    Asterisk
    Windows Server
    Microsoft Exchange Server
  • $85 hourly
    Hi, I'm Bucky. I'm a consultant specializing in all manner of VoIP services. My experience is mostly on the backend, building solutions around primarily open-source VoIP technologies (Asterisk, FreeSwitch, Kamailio) and cloud provider APIs (e.g. Twilio, Telnyx, and Signalwire) with a sprinkling of proprietary Cisco and Oracle/Acme knowledge thrown in for good measure. I'm happy to handle simple stuff like account provisioning or troubleshooting call quality issues, but I'm also more than capable of taking on high-complexity projects up to full carrier environment setups. One thing that sets me apart from a lot of other freelancers is that this is not a "side-hustle" for me -- this is my full time job. I have an office and a desk phone, and am basically always within 10 steps of a PC. If you hire me for a project (whether it's a short-term endeavor or long term recurring contract), you'll get access to my contact info, and the peace of mind that you've got an on-call telecom expert for emergencies. Before I ventured into consulting, I spent a good chunk of my career working in the telecom industry for "large" competitive local exchange carriers and enterprises. I enjoyed the work but could never find the "value" in what I was doing, so I ultimately made the switch. Honestly, while it's not as profitable for me to help smaller carriers and businesses, helping the little guy and seeing the direct result is a lot more rewarding to me.
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    VoIP
    VoIP Software
    Twilio API
    VoIP Administration
    Kamailio
    Terraform
    Asterisk
    Session Initiation Protocol
    DevOps
    Network Engineering
    CI/CD
    Telecommunications Engineering
    Business with 10-99 Employees
    Linux
  • $20 hourly
    digium certified asterisk administrator.Working on asterisk nearly 10 years and developed. 1. voip billing application with asterisk and freeradius 2. call center application with gotutoidal,vicidial 3. work all on freepbx interfaces like elastix,trixbox,PBX in a Flash and AsteriskNow. 4. Develop voice chat applicatio. 5. confiugure pri's of ata,windstream,and cbeyond proiders and pakistan telecome also. 6. work also on Asterisk Digium cards with fxo and fxs channels. 7. A2billing application with customize new features. 8. IVR solution 9. can work on Perl and PHP AGI's 10. Linux system Administrator 12. MCITP certified 12. PHP web developer
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    Trans Continental Technologies Predictive Dialer
    A2Billing
    Session Initiation Protocol
    Linux System Administration
    Asterisk
    Call Center Management
    VICIDIAL
    Elastix
  • $40 hourly
    As a Senior Video Streaming Engineer, I bring over a decade of experience in designing, implementing, and maintaining advanced video streaming systems. I specialize in an array of video streaming technologies, video codecs, and emerging technologies including HLS, MPEG-DASH, RTMP, WebRTC, and Gstreamer. Skills Summary ✔ Video Streaming Technologies: Proficient in HLS, MPEG-DASH, RTMP, WebRTC, and Gstreamer technologies. ✔ Video Codecs: Extensive knowledge of H.264, HEVC, VP9, and AV1 video codecs. ✔ Streaming Servers: Experience with streaming servers such as Wowza, Red5, Nginx, and Janus. ✔ Over-The-Top (OTT), Video on Demand (VoD), and Internet Protocol Television (IPTV): Comprehensive understanding and hands-on experience in designing and implementing OTT, VoD, and IPTV technologies. ✔ Cloud Platforms: Hands-on experience with AWS, Azure, and GCP for streaming applications deployment and scaling. Notably, I have worked extensively with Amazon Kinesis Video Streaming. ✔ Content Delivery Networks (CDNs): Extensive experience with deploying and managing CDNs like Akamai, CloudFront, and Fastly for global content delivery. ✔ Unified Communication: Proficiency in Jitsi and Twilio Video API for building secure and scalable video and audio conferencing applications, as well as utilizing Twilio for robust text messaging solutions. ✔ IoT Protocols: Skilled in MQTT protocol for IoT applications related to streaming. ✔ Surveillance Systems: Familiarity with CCTV systems and the integration of video streaming in surveillance. ✔ Programming Languages: Proficient in Python, Java, and JavaScript for automation and management tasks. ✔ Encoding Software: Experience with FFmpeg, x264, and AWS Elemental MediaConvert. ✔ VoIP Technologies: Skilled in deploying and configuring VoIP solutions using Asterisk, FreeSWITCH, and FreePBX to enhance audio communications alongside video streaming capabilities. My dedication to continuous learning, coupled with a profound understanding of cloud platforms, content delivery networks, and encoding software, empowers me to deliver efficient and high-performance video streaming solutions. I understand the significance of clear, smooth, and high-quality video communication and am committed to applying my skills and experiences to help you achieve your video streaming goals. I invite you to get in touch to discuss how we can leverage my expertise to enhance your video streaming systems and improve your communication processes.
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    Twilio
    JavaScript
    C++
    Python
    Java
    AWS Elemental MediaConvert
    Amazon Kinesis Video Streams
    Amazon Web Services
    Real Time Stream Processing
    MQTT
    GStreamer
    FFmpeg
    Kurento
    WebRTC
    Video Stream
  • $45 hourly
    Hello everyone, I am Martin. I will do my best satisfy my clients to the fullest. I have worked as professional software developer for about 20 years and have good experience in: -Asterisk, FreePBX -FreeSwitch, FusionPBX -Kamailio, OpenSIPs -WebRTC -PHP, MySQL -c/c++ -JavaScript, Node.js, HTML5/CSS -Linux System Administration, Networking -git, SVN I'm always working in a friendly environment so that we can make long term business relationship. I feel honored to have a continuously growing list of happy clients with positive feedback on my work.
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    Kamailio
    Node.js
    Vue.js
    JavaScript
    PHP
    MySQL Programming
    Asterisk
    FreeSWITCH
    TypeScript
    Session Initiation Protocol
  • $75 hourly
    I have been in the IT field for 12+ years. I have engineered, implemented and managed phones systems for most of the 10 years. I have dealt with most phone systems in my 10 year career. I also have a background in Networking. I am proficient in setting up LAN networks and basic routing. I also have dealt with a CLEC switch for part of my career. Vendors I worked with directly: Metaswitch Digium Adtran Edgewater Networks dba Ribbon Every major carrier in my area(ATT, Windstream, Frontier, Century Link) Fonality dba Netfortis Polycom Yealink Snom Interactive Intelligence dba Genesys GSuite Google Workspace Fusion PBX/FreePBX/FreeSwitch AWS Azure Cisco Networking Equipment Watchguard Sonicwall 3cx Hubspot SIP trunking with multiple VOIP providers
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    Network Engineering
    Phone Communication
    Web Hosting
    VoIP
    3CX
    Squarespace
    Telecommunications Engineering
    VoIP Administration
    Cisco IOS
    Asterisk
    Session Initiation Protocol
    Cisco Router
    Linux
  • $50 hourly
    15+ years experience of the Russian federal! ISP, UK hosted-PBX ITSP and much more by Upwork all over the world I'm the VoIP engineer: - SIP comprehended - Asterisk driven - FreePBX dressed - Kamailio guided - Python developed - Linux compiled from the sources (stable release) Looking forward for the position of network and linux system administrator for SOHO and SMB companies
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    Network Planning
    Application Server
    Asterisk
    Linux System Administration
    VoIP Administration
    VoIP Software
    Network Administration
    Network Security
    Network Design
  • $79 hourly
    I’m a diligent Information Technology Specialist with over a decade of hands-on experience in conceptualizing, overseeing, and executing complex, revenue-generating projects. With a proven track record of success in cross-continental project management and more than 8500 hours on Upwork, I’m determined to maintain the highest standards, transparency, and full commitment in every client engagement. I’m also highly focused on optimizing digital marketing campaigns through Facebook and Google Ads, driving strong results for businesses. I’m excited to collaborate with some of the brightest minds in the industry. Experience Highlights: • Digital Marketing: Facebook Ads, Google Ads, Appsflyer, TikTok Ads, Retargeting, Event Tracking, Audience Management • Network Administration: VLAN, VPN, Wireless networks, Network equipment (HP, Cisco, Huawei, Juniper), Deep network architecture expertise • Wireless Technologies: Aruba (WLC, Clearpass), Fortinet, Aerohive, Cisco (WLC), Meraki • Routing Protocols: BGP, OSPF, EIGRP, IS-IS, RIP, Static routing • High Availability: Active-passive clusters (HSRP, VRRP, JRRP), Load-balancing • Security: Firewalls (ASA, FWSM, Fortigate, Juniper SSG, SonicWall, pfSense), PKI, IDS/IPS, Antivirus, Antispam techniques, RADIUS (Windows / FreeRadius) • Voice & Video Conferencing: Polycom, Skype, Cisco (VCS, CCM, CUCM, Unity, IMP), Nortel, Asterix (TrixBox, Elastix) • Digital Marketing: Facebook Ads, Google Ads, Appsflyer, TikTok Ads, Retargeting, Event Tracking, Audience Management • Network Management Systems: Cisco Prime, Cacti, PRTG, Zabbix, NAGIOS
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    Cisco
    AWS Systems Manager
    Security Assessment & Testing
    Database Administration
    Firewall
    Cloud Architecture
    Network Penetration Testing
    Cisco Certified Network Professional
    Network Administration
    Microsoft Office
    Network Security
    Fortinet
    VoIP
    Network Design
  • $68 hourly
    Experienced mobile app and web app architect, full-stack developer, and DevOps engineer with a proven track record in Linux system administration and VoIP software deployment. Proficient in AWS cloud administration, containerization, Kubernetes, and a wide range of DevOps technologies. Extensive expertise in web app, iOS, and Android app development, specializing in VoIP applications. I thrive on solving complex problems and bring a collaborative spirit to every project. 𝐊𝐞𝐲 𝐒𝐤𝐢𝐥𝐥𝐬: • Mobile App Development: Android and iOS • Full-stack development • Redis, MySQL, PostgreSQL, MongoDB technologies • Node.js ,Tomcat, Nginx, Apache • VoIP Software: Asterisk/FreePBX, Kamailio, Freeswitch • DevOps: Docker, Kubernetes, Rancher, Prometheus, Ansible, Jenkins, Helm charts • AWS, Oracle Cloud Administration • Linux Administration and Shell Scripting • Network Administration • Linux System Deployment and Configuration • Research-Oriented Problem Solver 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: • Oracle Certified DevOps Professional • Cisco Certified DevNet • Cisco Certified Network Professional • Red Hat Certified System Administrator 𝐈 𝐚𝐦 𝐩𝐚𝐬𝐬𝐢𝐨𝐧𝐚𝐭𝐞 𝐚𝐛𝐨𝐮𝐭 𝐬𝐭𝐚𝐲𝐢𝐧𝐠 𝐮𝐩𝐝𝐚𝐭𝐞𝐝 𝐰𝐢𝐭𝐡 𝐭𝐡𝐞 𝐥𝐚𝐭𝐞𝐬𝐭 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐚𝐧𝐝 𝐝𝐞𝐝𝐢𝐜𝐚𝐭𝐞𝐝 𝐭𝐨 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐢𝐧𝐠 𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. 𝐏𝐥𝐞𝐚𝐬𝐞 𝐧𝐨𝐭𝐞 𝐭𝐡𝐚𝐭 𝐈 𝐩𝐫𝐢𝐨𝐫𝐢𝐭𝐢𝐳𝐞 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐨𝐯𝐞𝐫 𝐪𝐮𝐚𝐧𝐭𝐢𝐭𝐲. 𝐈 𝐩𝐫𝐨𝐯𝐢𝐝𝐞 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥, 𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐰𝐨𝐫𝐤 𝐚𝐧𝐝 𝐝𝐨 𝐧𝐨𝐭 𝐚𝐜𝐜𝐞𝐩𝐭 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐭𝐡𝐚𝐭 𝐮𝐧𝐝𝐞𝐫𝐯𝐚𝐥𝐮𝐞 𝐭𝐡𝐞 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐚𝐧𝐝 𝐞𝐟𝐟𝐨𝐫𝐭 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐝. 𝐊𝐢𝐧𝐝𝐥𝐲 𝐫𝐞𝐟𝐫𝐚𝐢𝐧 𝐟𝐫𝐨𝐦 𝐢𝐧𝐯𝐢𝐭𝐢𝐧𝐠 𝐦𝐞 𝐭𝐨 𝐥𝐨𝐰-𝐛𝐮𝐝𝐠𝐞𝐭 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬, 𝐚𝐬 𝐈 𝐚𝐦 𝐟𝐨𝐜𝐮𝐬𝐞𝐝 𝐨𝐧 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐢𝐧𝐠 𝐞𝐱𝐜𝐞𝐩𝐭𝐢𝐨𝐧𝐚𝐥 𝐫𝐞𝐬𝐮𝐥𝐭𝐬 𝐟𝐨𝐫 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐰𝐡𝐨 𝐯𝐚𝐥𝐮𝐞 𝐬𝐤𝐢𝐥𝐥 𝐚𝐧𝐝 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞. 𝐓𝐡𝐚𝐧𝐤 𝐲𝐨𝐮 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐮𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐚𝐧𝐝 𝐜𝐨𝐧𝐬𝐢𝐝𝐞𝐫𝐚𝐭𝐢𝐨𝐧. 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞 𝐭𝐨 𝐛𝐫𝐢𝐧𝐠 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐭𝐨 𝐥𝐢𝐟𝐞!
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    VoIP Software
    AWS Server Migration
    Ansible
    AWS Lambda
    DevOps
    AWS Development
    Oracle Cloud
    FreeSWITCH
    iOS Development
    VoIP Administration
    Kamailio
    Linux System Administration
    Objective-C
    Cisco Certified Network Professional
    PHP
    Android
    Asterisk
    Linux
  • $50 hourly
    Asterisk | Kamailio | FreePBX | Big data | AWS |Azure |GCP | Linux | Unix | Ubuntu | Debian | Puppy | VoIP Expert | IBM Watson | Google API | A2Billing | WebRTC | PHP | JSP | MYSQL | Oracle|Ansible|Docker Thanks for looking at my profile! I'm an IT Engineer offering more than 15 years of professional-level experience. I have deployed many Enterprise and Mid-Size Cloud, Network, and VoIP solutions worldwide. I am a professional Freelancer under a single roof with excellent communication skills, a fast learner, computer literate, can handle multitasking work and a very reliable contractor. Particularly interested in client/server and relational network design & develop using C/C++,Java,Php and C#. Always been interested in migration projects, as well as close interaction with the VoIP platform. I am always eager to provide quality work to my honorable clients. Hourly or fixed-price contract rates are negotiable depending on the work. I’m always working in a friendly environment so that we can make long-term business relationships, and feel honored to have a continuously growing list of happy clients with positive feedback on my work. I will do my best to satisfy my clients to the fullest. Do not hesitate to ask any questions you may have or discuss any ideas I may help you with. I am very easy to talk with.
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    VoIP Software
    Natural Language Processing
    MySQL
    Linux System Administration
    Telecommunications Engineering
    IBM Watson
    VoIP Administration
    Asterisk
    Session Initiation Protocol
    Red Hat Enterprise Linux
    VICIDIAL
    Google APIs
    Amazon Web Services
  • $33 hourly
    Greetings! I'm Ayze, a seasoned IT professional with a passion for optimizing digital workplaces. With a robust background in Google Workspace, Office 365, GoDaddy, email migration, and VOIP solutions, I bring a wealth of expertise to streamline your business operations. 🚀 Key Skills: Google Workspace & O365: Harness the full potential of cloud collaboration tools to enhance productivity and communication within your organization. Email Migration: Seamlessly transition your email infrastructure, ensuring data integrity and minimal downtime. GoDaddy Mastery: Navigate the complexities of domain management, hosting, and website solutions with ease. VOIP Solutions: Implement cutting-edge VOIP systems for efficient and cost-effective communication. 💼 Why Choose Me: Proven Track Record: Successfully executed numerous Google Workspace and O365 deployments, ensuring smooth transitions for diverse businesses. Detail-Oriented: Meticulously plan and execute email migrations, leaving no room for data loss or disruptions. Client-Centric Approach: Tailor solutions to meet your specific needs, providing unparalleled IT support and troubleshooting. 🌍 Global Experience: Having collaborated with clients across industries and geographical locations, I understand the unique challenges businesses face in today's interconnected world. My goal is to empower your team with technology that enhances collaboration, efficiency, and overall success. 📈 Let's Elevate Your IT Infrastructure: Ready to take your business to new heights? Partner with me to transform your IT landscape, leveraging the latest technologies and best practices. From initial consultations to ongoing support, I'm dedicated to ensuring your digital journey is seamless and successful. 📧 Contact Me: Feel free to reach out for a consultation or to discuss your specific IT needs. I'm here to guide you through the intricacies of Google Workspace, O365, GoDaddy, email migration, and VOIP solutions.
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    Windows Server
    Microsoft Azure
    Windows Administration
    Email System
    GoDaddy
    Domain Migration
    Google Workspace Administration
    Office 365
    Migration
    VoIP
    SSL
    System Administration
    Tech & IT
    IT Support
    Network Administration
  • $35 hourly
    1) Free PBX Expert (Installation, Development, Configuration, Technical Support). 2) Fusion PBX Expert (Installation, Development, Configuration, Technical Support) 3) Asterisk Expert (Installation, Development, Configuration, Technical Support). 4) Vicidial Expert (Installation, Development, Configuration, Technical Support). 5) Go Auto Dial Expert (Installation, Development, Configuration, Technical Support). 6) Fop2 Expert (Installation, Development, Configuration, Technical Support). 7) VOIP Expert. 8) IVRS (Design, Development, Configuration, Technical Support). 9) Linux, Mysql Database Expert. 10) Lua Expert. 11) PHP, Mysql, Perl expertise. 12) Rabbit MQ, Redis, Ha proxy Expertise. 13) Freeswitch (Development, Support, Installation) 14) AI / Voice Bot Expert using unimrcp. Projects Handel: 1) IPPBX. 2) Contact Center Solution. 3) SoftSwitch. 4) Autodialer/ Voice Broad Casting System/ Call Back System/Calling Card System. 5) IVRS/Voice Mail /Conference Solution. 6) Voice & SMS Broadcasting System. 7) VOIP Billing Solution. 8) PRI / ISDN/ GSM gateway Integration expert. 10) Solution Design Expert. 11) Architecture Expert. 12) Cloud / On-premises PBX/ contact center / Soft switch Deployment expert.
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    Linux System Administration
    MySQL
    VICIDIAL
    PHP
    OpenSIPS
    Session Initiation Protocol
    VoIP Administration
    FreeSWITCH
    Asterisk
  • $25 hourly
    Hello, Thanks for visiting my profile. This is Abid Ur Rehman, Certified Asterisk Developer DCAP, VoIP Consultant, VICIDial, FreePBX SCE, 3CX v18 and v20 Certified Advanced Engineer, Elastix ECE, GoAutoDial, The SIP School SSCA, PBXWare, A2Billing, FreeSWITCH, Twilio, FusionPBX, ASTPP, Network CCNA, Windows Servers MCSE, and Linux RHCE certified expert. I graduated with a BS in Telecommunication and an MSc in Telecommunication Networks. Having 10 years of VoIP/Linux/IT/Network planning, design, development, deployment, optimization, administration, and support experience in top-notch organizations such as Telappliant Ltd., Cybergen, SCB Global, Dialer360, and Primo Dialer. Skills and Certification: IP PBX: 3CX, Asterisk, FreePBX, Elastix, PBXware MT, FreeSWITCH, FusionPBX, Issabel, VoIPOffice Bitrix24 integration with FreePBX with or without the InforUnity module and with 3CX Pro/Enterprise. SMS Blast/Broadcast using SignalWire, VoIP.ms, Telnyx, Anveo, Bandwidth.com, Plivo, Skyetel, Twilio, VoxTelesys, BulkSolutions, Flowroute, Intelepeer, and BulkVS Telecom Billing: A2Billing, ASTPP, Yeti, VOS3000, and Magnus Billing. Dialer: VoiceBroadcast, VICIDial, GoAutoDial, VICIBox Multi-Server Clustering, Dialer360, Primo Dialer IP Phones: Aastra, AND phone, Algo, AudioCodes, Cisco, Cisco/Linksys, CloudTC, Cortelco, CyberData, Digium, H-Tek, Incom, Intelbras, Konftel, Mocet, Norphonic, Obihai, Panasonic, Patton, Phoenix Audio, Polycom, Snom, Thomson, Unidata, Uniden, VTech, Xorcom, Yealink, Yealink/Dreamwave IP PBX (hardware): Sangoma PBXact UC (and FreePBX phone system), Elastix IP PBX, Grandstream UCM, Yeaster S-series, Renegadepbx-1U-Appliance-with-FreePBX, Patton's SmartNode Branch eXchange (SNBX), SwitchVox, OpenVox. VoIP Providers: USA and Canada: Twilio, VoIP.ms, Switch2VOIP, SignalWire, Anveo, Alcazarnetwork, voxbeam, Telus, RingCentral, Call Centric, Voyant (Vitelity), Nextiva, bandwidth.com, Altotelecom, FlowRoute, QuestBlue, sip.us, DIDLogic, Nexmo, Plivo, siptrunk.com, Telnyx, IDTExpress, Zadarna SMS and BulkSMS: I can write code for you to send and receive SMS using any Asterisk and FreeSWITCH server and through popular providers like Telnyx, Twilio, Bandwidth.com, VoIP.ms, SignalWire. For bulk SMS, I can setup a code with the front-end for sending bulk SMS from a CSV . UK: Fuse 2, BT, VoIPTalk, DrayTEL, Telappliant, Gamma, sipgate, VoIPFone, VoiceFlex, Voicehost, Brightstar, Yellowgrid, Gradwell, T4com Ltd, Voxbeam, and Spitfire Linux Distro: CentOS, Redhat EL, Ubuntu, OpenSUSE, Debian, Back Track (Kali Linux) Windows machines: Windows Server 2012 and 2016, Windows Desktop 11, 10, 8, 7, and XP. Cloud Platforms: AWS EC2 and LightSail, GCP, Vultr, BlueHost, HostGear, Hetzner, and Digital Ocean Hypervisor: VMware ESXi, station and player, VirtualBox, ProxMox, oVirt, HyperV, I would be very happy to assist start-ups as well as SMEs in achieving their goals and business objectives. Thank you!!
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Twilio
    VoIP Administration
    PBX
    Full-Stack Development
    VoIP PBX
    MySQL
    A2Billing
    3CX
    Kamailio
    Asterisk
    FreeSWITCH
    Linux System Administration
    VICIDIAL
    VoIP
  • $30 hourly
    Cloud DevOps Engineer and System Administrator with more than 14 years of experience working in IT. I am specialized in cloud platforms such as AWS (Most experienced), GCP, Azure and DigitalOCean, especially using tools like Docker, Kubernetes, Terraform, Ansible, always focused on creating a very secure and highly available environment with great performance, monitoring, and cost optimization. I'm also specialized in Linux platforms (Red Hat, CentOS, CoreOS, Ubuntu) and Windows as well. Deep Experience with Linux, Windows, Apache, Nginx, MYSQL and MSSQL administration AWS solid skills in EC2, RDS, VPC, VPN, S3, Cloudfront, Workspace, SES, Route53, ECS, Elastic Beanstalk, etc Deep experience with AWS Devops tools like AWS Code Commit, AWS Code Deploy and AWS Code Pipeline Deep experience with open source Devops tools like Github, Docker, Jenkins, Gitlab and Kubernetes. Deep experience with infrastructure tools like Terraform Deep experience with Migration tools from on premise/cloud provider to another cloud provider. Good Experience With scripting languages like bash and python Good Knowledge of Networking (CCNA Course), Cyber Security Concepts, Cloud Computing and Virtualization. SSL Configuration Working with DevOps in the past 8 years, with focus on automation tools for cloud environments I've specialized myself in: ✅ CI/CD ✅ Docker ✅ Jenkins ✅ DevSecOps ✅ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS, etc; ✅ Automated Tests ✅ Architecture Solutions ✅ Terraform ✅ Kubernetes ✅ Ansible ✅ Apache, Tomcat and Nginx ✅ Git/SVN ✅ Linux (Ubuntu/RedHat/CentOS) ✅ Bash Script ✅ Powershell ✅ SQL/ NoSQL ✅ Programming Languages (Python, Java, PHP, NodeJS, Ruby) ✅ Expert Level ability with Server Administration in Linux & Windows environment, including designing a well architected framework for applications and infrastructure. ✅ Extensive Experience in Hybrid Migrations, replatforming or reArchitecting cloud solutions. ✅ Excellent in Devops integrating CICD to an Infrastructure build, deploy or operate with core IAAC skills(Terraform, Cloudformation, Ansible, cloud watch, Jenkins, etc.) 🌟 WHY ME ? 🌟 I stay Highly motivated, dedicated and results oriented ensuring client satisfaction & success delivered professionally. 🙋🏼‍♂️I am eager to work with you, to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Google Cloud Platform
    Golang
    API Integration
    API
    AWS CloudFormation
    Python
    PHP
    JavaScript
    Amazon ECS
    Laravel
    Azure DevOps
    DevOps Engineering
    DevOps
    Amazon Web Services
  • $24 hourly
    Experienced and certified professional with a diverse skill set encompassing advanced 3CX telephony solutions, full-stack development, and WordPress expertise. With over 6 years of specialized knowledge in 3CX, 3+ years of full-stack development experience, and more than a year of dedicated WordPress development, I bring a unique blend of technical expertise and creativity to every project. Passionate about delivering high-quality solutions that exceed client expectations. 𝐊𝐞𝐲 𝐒𝐤𝐢𝐥𝐥𝐬: 3CX Telephony Solutions: 6+ years of experience in designing, implementing, and managing advanced 3CX telephony systems. Certified in 3CX Advanced. Full Stack Development: 3+ years of hands-on experience in full-stack development, proficient in both frontend and backend technologies. Skilled in developing scalable web applications using modern frameworks and technologies. WordPress Development: Over a year of experience in WordPress development, including theme customization, plugin development, and site optimization. Familiar with the latest trends and best practices in WordPress development. 𝐂𝐨𝐫𝐞 𝐂𝐨𝐦𝐩𝐞𝐭𝐞𝐧𝐜𝐢𝐞𝐬: Problem Solving: Proven ability to analyze complex problems and develop innovative solutions that meet client requirements. Team Collaboration: Strong team player with excellent communication skills, able to collaborate effectively with cross-functional teams to achieve project goals. Client Satisfaction: Committed to delivering high-quality work that exceeds client expectations, ensuring long-term satisfaction and positive feedback. 𝐏𝐨𝐫𝐭𝐟𝐨𝐥𝐢𝐨 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: 3CX Telephony Projects: Successfully implemented 3CX solutions for medium to large enterprises, improving communication efficiency and reducing costs. Full Stack Development: Developed and deployed several web applications from concept to production, showcasing a strong understanding of frontend and backend development principles. WordPress Projects: Designed and developed custom WordPress themes and plugins, enhancing website functionality and user experience. 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: 3CX Advanced Certification: Certified in 3CX Advanced, demonstrating comprehensive knowledge and expertise in 3CX telephony solutions.
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    WordPress
    Pipedrive
    API
    API Development
    HubSpot
    API Integration
    System Administration
    3CX
    Call Center Management
    VoIP PBX
    Full-Stack Development
    Telecommunications
    JavaScript
    Python
    PHP
  • $60 hourly
    There is some feedback: - Pavel was fantastic! My project hit a snag and I needed an FTP server configured quickly. When I couldn't complete the task myself, I asked for help. Pavel jumped in immediately and had me fixed in no time and friendly answered all my questions. This guy is a real problem solver! - Very smart when it comes to Linux systems, was able to help with our issue. - Very skilled and professional expert who solved all additional and unexpected problems with patience. He overdelivered and I can highly recommend working with him! - The problem was solved quickly and efficiently. - Pavel did a great job tracing the problem and solving it - Pleasure to work with. Skilled system administrator and network engineer with 18 years of hands-on experience. Know how to organise network in one office or in several offices connected via vpn. Unix system administrator, with a lot of experience in Linux and BSD distributions.. I have got working experience with: DNS; DHCP; LAMP-LEMP; FTP; SMTP; SNMP; ACL, firewalls and NAT; I have experience with cloud services (AWS, GCE, Vultr, DigitalOcean) and virtual infrastructure (vSphere, Hyper-V, Proxmox); I have got working experience with Monitoring (Zabbix); VoIP/IP telephony (Asterisk,FreePBX).
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Asterisk
    DNSsec
    WordPress
    Linux System Administration
    Firewall
    Apache Administration
    MySQL
    LAN Administration
    Session Initiation Protocol
    Squid
    Web Hosting
    Network Engineering
    VMware vSphere
    NGINX
  • $30 hourly
    I have 8 years Experience in WebSite, Mobile Application & Voice over IP protocol server deployment, have knowledge to work with voip based application. customer based licencing, android, ios, window, mac, linux, application deployment. Worked with lot of international clients such as NEC Corp USA. ★ Key Achievements: - Deployment of server and mobile Application of 6000+ user. ★ Logged 5000+ valid defects in Mobile Application and Website. ★ Result-oriented freelancer & Certified Software Test Engineer ★ 8+ years Experience in Agile/Scrum methodologies ★ The apps I have tested are used world wide and also at fortune 500 companies like IRIS, NEC uMobility, MLC BYOD, etc. ★ Hands on Experience of SQL/MS SQL/PSQL for Server Testing. You don't have a clear requirement! No problem, I can still work without it. You are still preparing the specification! No problem, I don't wait for that. You have a budget constraint! No worries, I would fit into it. You don't have any test cases/test plans/documents in place! No problem, that's where I come into the picture. • Give me your application and I'll give you the defects in it • Let me go through your product and I would provide how to proceed with the testing & how effectively your application can be tested. I will come up with the best test cases/comprehensive test plans, important use cases and most importantly unique and incredible application improving and business fetching suggestions. My job just doesn't end here. Once I verify the defects in all major browsers/OS, I log them in whatever format/tool you choose along with the screenshots & videos. I will be there to verify the resolved defects. Being a true professional, I dare to do whatever it takes to make my client's business successful with improved customer conversation. Thanks Ankit Soni
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Web Development
    Technical Support
    DevOps
    Telecommunications Engineering
    System Deployment
    Linux System Administration
    Asterisk
    VoIP PBX
    WebRTC
    VICIDIAL
    Web UI
    VoIP Administration
    FreeSWITCH
    API
  • $68 hourly
    Our company, Innovations Applied LLC, has a wealth of experience creating and writing commercial web applications for b2b and b2c, supply chain, and streaming media. We are also Jitsi, 8x8, Zoom, Twilio, and other video conferencing platform specialists, having produced many customized applications! We are the best source if you are migrating from Twilio to Zoom or Jitsi. We are proficient in Linux admin & Networking and have built full stack server environments including database clusters, application servers, VoIP and SIP integrations, and cloud computing environments. Skills: Laravel, React, ReactNative, Java, SQL, Agile practices, Mobile development, Swift, Objective-C, HTML, CSS, node.js, JavaScript, Linux, xAPI, Git, RESTful API, Jira, JSON, Ajax, Bootstrap, jQuery, hibernate, c3p0, C++, Python, Tomcat, Apache, Nginx, video.js, jwplayer, eclipse, Mautic Marketing Automation, HumHub Social Collaboration, OwnCloud Storage, LHC Help Chat, MySQL,SIP, VoIP, FreeSWITCH, FusionPBX, Asterisk VoIP, Jitsi, Zoom SDK, Zoom Markeplace, Taiga, Wordpress, Canvas LMS, all kinds of streaming media, video production, video editing, UI/UX design and discovery, graphic design, SEO, and Lead generation.
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Asterisk
    Agile Project Management
    WebRTC
    VoIP
    FreeSWITCH
    Mobile App Development
    Mautic
    Video Stream
    Zoom Video Conferencing
    PHP
    WordPress
  • $25 hourly
    I am 34 from the UK and have been working in VoIP for nearly 10 years i have experience in working with Asterisk based systems, i am Basic, Intermediate and Advanced Certified Engineer with 3CX PBX and have also have experience with Netsapiens and broadsoft. I have received certifications for Yeastar and also Certified for Grandstream UCM and Networking products and also have very good knowledge of yealink, Fanvil and snom products. I can set up from scratch or provide maintenance on your VoIP system which can include training and guides on how you can manage and troubleshoot yourself after the work. Contact me if you need help setting up, cleaning up or maintaining your system.
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Technical Support
    System Configuration
    3CX
    Computer Network
    Linux System Administration
    Asterisk
    PfSense
    VoIP Administration
    Session Initiation Protocol
    Grandstream
    VoIP Software
    VoIP
    Ubiquiti
  • $60 hourly
    Asterisk/FreePBX/Elastix, IVR, CRM, TTS, ASR, Virtual PBX, VAS, Voice Broadcast, SMS, VoIP, Contact & Call Center, Asterisk, Consulting, Development, click2call, callback, CRM: bitrix24, amocrm and etc
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    A2Billing
    Asterisk
    API Development
    MySQL
    VoiceXML
    VoIP Software
    SMS
    PHP
    Scripting
  • $50 hourly
    **Asterisk Developer & AI-Integrated Telephony Specialist** With extensive experience in Asterisk, SIP, VOIP, WebRTC, Freepbx, Dinstar, GSM, and a pioneering approach to integrating Asterisk with AI, I am at the forefront of telephony innovation. My hands-on experience with VOIP technologies like Sangoma, Freepbx, and Dinstar TDM to IP, GSM to IP ensures that I can handle any challenge in this domain. **Job Responsibilities:** - Collaborated with the Application Development team as a Training Engineer. - Expertise in VOIP technologies: Sangoma, Freepbx, Dinstar TDM to IP, GSM to IP. - Spearheaded AI integration with Asterisk to revolutionize telephony solutions. - Served as an advisor for software utilization and optimizing the work environment. - Proficient in assembling and installing various operating systems. - Configured outlook, LAN, and WAN setups. **Technical Skills:** **Intune** **Sentinel** - **Networking (MS Windows):** Domain and Workgroup Connectivity, DNS Configuration, Internet settings, Mail Account setup, DFS, DHCP, HDD management, RDP, VPN, Shadow copying, and more. - **Hardware:** Assembly of computers, installation of a wide range of Operating Systems including Windows (95, 98, XP, Vista, 7, 8, Server editions) and Linux. **Education:** - Intermediate from CBSE Board, 2007. - DOEACC “O” Level. **Special Achievements:** - Represented India in the USA for Mathematics Research at Intel Program (ISEF 2006). - Recipient of the National Award from Intel for Mathematics Research (2005). - Honored with the Bal Vagyanic Award for deriving the “nth” root formula (2006-07). - State Award from NCSC for Science Research (2004). - Rajypal Award in Bharat Scout and Guide (2005). Ready to harness the power of AI-integrated telephony? Experience our cutting-edge voicebot demo, powered by GPT, to learn more about us and our services. Call test real demos quicksmart.ai Let's connect and shape the future of communication
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    CallTools Call Center Software
    WebRTC
    Asterisk
    VoIP Administration
    Session Initiation Protocol
    Telecommunications Engineering
    VoIP Software
    cPanel
    Customer Relationship Management
    VoIP
    Linux
    Network Administration
  • $50 hourly
    I am trying to get ahead here doing some jobs; I have 15+ years of expertise. Making good installations and debugging of VOIP Devices and OS, also Setting up IP PBX gateways such as Elastix, Asterisk, Freeswitch, FreePBX, VOS3000, A2Billing, ASTPP, 3CX, OpenVBX, and Kazoo, also SMS Systems Like PlaySMS, Jasmin, and Kannel. If you give me the job, I'll make it a success 100%! 3CX certified! I have a good knowledge of: PHP, MYSQL, HTML, CSS, WORDPRESS, JAVASCRIPT, VPN, CLOUD COMPUTING, UNIX/LINUX ADMINISTRATION, WINDOWS ADMINISTRATION, HOSTING SERVERS ADMINISTRATION, UBIQUITI, MIKROTIK, CISCO, Repair of the older tube TV :).
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    VoIP
    Asterisk
    VoIP Administration
    Twilio API
    MySQL Programming
    Session Initiation Protocol
    SMS Gateway
    Database Optimization
    Network Engineering
    3CX
    Linux System Administration
    FreeSWITCH
  • $30 hourly
    Greetings to All, I am working as Senior System Administrator and VoIP Engineer for the last 7 years.I am an expert in setting up Class 4-5 Grade voip Softswitch (e,g PortaOne,voipsoft-switch) and also an expert in setting hosted PBX both multi-tenant and stand-alone. My Core skill is to Administer different types of VoIP system based on asterisk ( e.g.Freepbx,Asterisknow,Issabel,Elastix),Freeswitch(e.g.Fusion-PBX),Grandstream UCM and Linux(Centos-7, Ubuntu).I am also a certified expert in Vmware data center virtualization on Vsphere 6.7 . and Red Hat Certified Engineer. In this recent years i have completed so many systems and virtualization-related projects such as I have deployed 2000+ user mail server using zimbra and postfix then implementing data center virtualization and VoIP Platform using Elastix and freepbx on various Financial organizations such as Bank, IT,etc. I have completed my Bachelor in Electronics and Telecommunication also did my Masters in Computer Science.Hence My skills are sufficient to solve any complex and long-term work smoothly and accurately. Building state-of-the-art, easy to use, user-friendly websites and System applications is truly a passion of mine. I actively seek out new technologies, and stay up-to-date on industry trends and advancements. Thanks
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    VoIP Software
    Elastix
    VoIP PBX
    3CX
    VoIP Administration
    Virtualization
    Network Engineering
    Asterisk
    VMware Administration
    Zimbra Administration
    VICIDIAL
    Linux System Administration
    Microsoft Azure
    CentOS
  • $60 hourly
    Support and development on asterisk, vicidial, goautodial, fusionpbx, freeswitch Linux System Administration ( CentOS, Debian, Ubunut) Database Management (Mysql, PostgreSQL) Network Administration (Router, Switch, Hardware Firewall)
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    VoIP
    Linux System Administration
    VICIDIAL
    PHP
    MySQL
    Network Administration
    Android
    A2Billing
    iOS
    FreeSWITCH
    Asterisk
    Customer Relationship Management
    Mobile App
    Session Initiation Protocol
  • $200 hourly
    With over two decades of extensive experience in the world of programming, I've honed a knack for efficiency and innovation. I believe in optimizing time and delivering solutions that matter, constantly pushing the boundaries of what’s possible. From the age of 10, programming hasn't just been a job—it's been a calling. Whether you're looking for new project development or leveraging existing solutions, I’m your go-to expert. Experience: Twenty-two years of diverse commercial programming experience and 31+ years overall programming —from Linux administration and virtualization to end-user web development and complex billing systems for VoIP. Expert work with Asterisk since its inception and substantial experience with FreePBX, Trixbox, and a2billing. Proudly, I'm one of the contributing minds behind a2billing.org's trunk. My depth of expertise encompasses database administration and architecture, especially with MySQL and Postgres. Education: Master of Science in Computer Science (confirmed by WES) Technical Skills & Specializations: Languages: Python/Django, Javascript/jQuery, SQL, PHP, C/C++, Perl, Prolog/Lisp, and Forth. Platforms & Tools: Asterisk, Opensips, Kamailio, Callweaver (faxing). Noteworthy Contributions: Developed modules for FreePBX, Elastix, Trixbox, and a2billing. Philosophy: I stand for originality and meaningful impact. If a task doesn’t need to be done, I won’t push for it. Instead, I'll direct my energy towards novel and intriguing challenges, ensuring that you get the best of both worlds—innovation and efficiency.
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    Session Initiation Protocol
    C++
    PHP
    Kamailio
    Asterisk
    MySQL
    Amazon EC2
    Linux System Administration
    SQL
    Elastix
    A2Billing
    VoIP Administration
    OpenSIPS
    Virtualization
    Python
  • $50 hourly
    Good Day I'm Daniel Krahenbuhl. Originally from Switzerland and living in Gdańsk Poland for the last couple of years. I can communicate in English, german and french (if needed :-)). I do enjoy working as a freelance software engineer and sometimes project manager (if the project is interesting). It would be awesome to connect with you and hear what cool projects you have in mind. Let's do it and happy days always. My general work experience: I design and write Software over the last 30 years Node.JS backend development Build API’s / Integrate third party API’s Experience in MySQL/MariaDB, MongoDB Voice/Video/Asterisk: I work with Asterisk since its; s beginnings (25 years ago)
Especially if you build large, scalable services. 
| designed some of the largest and most complex Asterisk system globally. During the years i also gained a lot of in-dept knowledge of Twilio, Pipedrive and Hubspot. Third party API Integrations I have a lot experience in integrating and using following API's Hubspot, Pipedrive, Insightly, Sendgrid, MailChimp, and many more Monday.com Over 7 years of expertise in transforming businesses through cutting-edge process optimization and seamless integrations. With 30 years of programming experience and a background in business consulting, I possess a unique set of skills to elevate your organization to new heights. At the core of my services lies Monday.com, a powerful platform that has revolutionized how businesses manage their workflows and projects. As a seasoned Monday.com specialist, I am adept at tailoring this robust tool to suit your specific needs, streamlining your processes, and enhancing collaboration across your entire team.
    vsuc_fltilesrefresh_TrophyIcon FreePBX
    VoIP
    Twilio API
    RESTful API
    Node.js
    API Development
    Asterisk
    Pipedrive
    API Integration
    WebRTC
    HubSpot
    Stripe API
    Nagios Core
    API
    PHP
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At A Glance: FreePBX

FreePBX is one of the top choices for the technical communication niche as well as for businesses of every kind, serving as a high-quality graphical user interface (GUI). As an open-source, web-based interface, FreePBX allows you to interact with programs and devices of every kind, and is a crucial structure in many of the top-level systems available today. The ability to manage, maintain, and interact with this interface requires extensive skill, practice, and fluency in computer science. Hiring a professional team can be a costly drain on resources, and perhaps you cannot spare the time from your other taxing duties to take advantage of its benefits yourself. The FreePBX specialists on Upwork are here to offer the solution, delivering work that is precise, focused, and perfectly tailored to your unique business needs.

The freelancers on Upwork possess the ability to manage projects independently or in collaboration, allowing you to meet unique deadlines and manage on a specific budget. Their fluency in the online workplace makes them ideal for any project in any location, as they can work remotely with excellent communication skills to see each project through to fruition. Their diverse backgrounds also make them an ideal choice, as their array of educational levels, experience, and practice allows them to offer unique perspectives, address unusual issues, and offer custom results unparalleled anywhere else. You can browse through the vast choices of professionals on Upwork and find an expert with the work ethic, credentials, and experience you need.

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