Hire the Best FreePBX Specialists
Bhopal, India
I help businesses build reliable, scalable communication systems and web applications by combining deep expertise in VoIP (3CX & Yeastar) with full-stack development and API integrations. With 6+ years of experience in 3CX, hands-on expertise in Yeastar Cloud PBX, and 3+ years in full-stack development, I specialize in delivering end-to-end solutions — from telephony infrastructure to CRM integrations and custom dashboards. 🔥 What I Can Do For You ☎️ VoIP & PBX Solutions (3CX + Yeastar) 3CX setup, configuration & troubleshooting (V18/V20) Yeastar Cloud PBX deployment & management SIP Trunk integration (Twilio, Telnyx, Flowroute, etc.) IVR, Call Queues, Ring Groups, Call Routing Predictive / Progressive Dialer setup Call recording, reporting & analytics Multi-tenant PBX architecture DID management & call flow optimization 💻 Full Stack Development Backend: PHP, Node.js, Golang Frontend: JavaScript, HTML, CSS, Bootstrap, Tailwind Database: MySQL, PostgreSQL Build scalable CRM systems & dashboards WebRTC / SIP dialer development Real-time systems & automation workflows 🔗 API Development & Integrations (Swagger/OpenAPI) REST API design & development Swagger/OpenAPI documentation CRM integrations (Zoho, Salesforce, Monday, etc.) Webhooks, automation, and data sync systems 🌐 WordPress Development Custom theme & plugin development Website optimization & speed improvements API integrations with WordPress Business websites & landing pages 💡 Why Clients Choose Me ✔ 6+ years in VoIP & telephony systems ✔ Strong backend + infrastructure understanding ✔ Fast troubleshooting & problem-solving ✔ Clean, scalable, production-ready solutions ✔ Excellent communication & long-term support 📌 Recent Work Highlights Built multi-company 3CX dialer system with CRM integration Deployed Yeastar Cloud PBX for international clients Developed VoIP analytics dashboards & call tracking systems Integrated Twilio / Telnyx with custom applications Created API-driven automation workflows using webhooks 🎯 Let’s Work Together If you need help with: Setting up or fixing your 3CX / Yeastar PBX Building a custom dialer or VoIP system Integrating APIs or CRM systems Developing a scalable web application 👉 Send me a message — I’ll provide a clear solution quickly.
- PHP
- Python
- JavaScript
- Telecommunications
- Full-Stack Development
- VoIP PBX
- Call Center Management
- 3CX
- System Administration
- API Integration
- HubSpot
- API Development
- API
- Pipedrive
- WordPress
Heredia, Costa Rica
I specialize in VoIP solutions with a focus on RingCentral (EX & CX) and Zoom (Phone & CC) project implementation and ongoing support. As a subject matter expert in the field, I work with businesses of all sizes to streamline communication systems, resolve complex technical challenges, and deliver seamless transitions to cloud-based telephony. Here's what you can expect when working with me: Deep Roots in VoIP: I'm not just certified; I'm passionate about what I do. With experience in RingCentral, Avaya, Zoom and Vonage, I'm well-versed in the intricacies of these platforms both in its UCaaS and CCaaS versions. Your Time Matters: I understand that every second counts in your business. That's why you can rely on me for prompt responses and effective solutions. Who I Serve: From small startups to large enterprises, I've had the privilege of assisting businesses of all sizes. My expertise spans various industries, including law firms, universities, fitness, and finance, to name a few. Here is a list of the most common tasks I perform within a VoIP platform: Call queues / Auto Attendant - IVR Call Forwarding / Call Routing Voicemail Setup / Custom Answering Rules Porting / User setup / Limited extensions SMS Automation** (10DLC) Multi Site Call logging expert / Audit trail Announcement / Audio greetings - Voice over Desk Phone Provisioning I'm here, ready to be your partner in enhancing your communication systems. Reach out to me here on Upwork and let's start a conversation, looking forward to understanding your unique needs and finding the perfect solution for you!
- Call Center Management
- Business with 100-999 Employees
- Phone Support
- VoIP PBX
- System Administration
- System Configuration
- VoIP
- Telecommunications Engineering
- IVR Software
- Telephone System
- RingCentral Glip
- Avaya
- VoIP Software
- VoIP Administration
- Technical Support
- PBX
Bangkok, Thailand
Helped businesses deploy Microsoft Teams Phone, Genesys Cloud CX, SIP Trunks, and AudioCodes SBC solutions, reducing telephony issues and improving call reliability for contact centers and enterprise environments. Specialized in Microsoft Teams Phone, Genesys Cloud CX, SIP Trunking, and AudioCodes SBC with experience delivering cloud voice and contact center solutions for SMB and enterprise customers. 🔹 Microsoft Teams & Voice Solutions ✔️ Microsoft Teams Direct Routing ✔️ Operator Connect & Calling Plans ✔️ Auto Attendants & Call Queues ✔️ PSTN Integration & SBC Configuration ✔️ Multi-provider SIP failover routing 🔹 VoIP & Contact Center Expertise ✔️ SIP, E1, PRI integrations ✔️ AudioCodes SBC configuration & troubleshooting ✔️ Genesys Cloud CX (BYOCC, SIP Trunks, Routing) ✔️ Call recording & voice security ✔️ VoIP troubleshooting (RTP, TLS, SRTP, QoS) 🔹 Cloud & Infrastructure ✔️ AWS & Azure deployments ✔️ Hybrid cloud architecture ✔️ VPNs, Firewalls, Load Balancers ✔️ DNS, SPF, DKIM, DMARC & Email deliverability ✔️ High-availability & secure network design
- Computer Network
- Computing & Networking
- Cloud Computing
- VoIP
- VoIP Administration
- Session Initiation Protocol
- Microsoft Teams
- Microsoft Team Foundation Server
- IT Support
- Web Server
- Windows Server
- Linux System Administration
- VMware Administration
- AWS Systems Manager
- Microsoft Azure Administration
Lahore, Pakistan
I am a VoIP and network security expert with over 7 years of hands-on experience delivering custom communication solutions for businesses worldwide. I specialize in deploying and supporting VoIP systems such as Avaya, Asterisk, 3CX, Mitel, FreePBX, FusionPBX and Kamailio, with deep expertise in SIP routing, SIP trunking, and cloud telephony. I’ve worked with major providers including Twilio, Voip.ms, Telnyx, and Voxtelesys, and offer reliable integration and troubleshooting services. I also have a strong background in VPNs, firewalls, and secure networking — including Fortinet, pfSense, OPNsense, WireGuard, OpenVPN, and IPSec setups — especially for remote access and restricted regions. Additionally, I offer AI Voice Assistant setup and integration with VoIP systems, as well as AI chatbots for websites and WhatsApp Business automation. My clients benefit from project-based deployment, long-term support, and a live lab environment where I demo solutions in real time before final delivery and deliver reliable, well-tested solutions designed around your business needs. Let’s work together to secure and optimize your communications systems.
- FreePBX
- Avaya
- Asterisk
- 3CX
- PBX
- Call Center Software
- PfSense
- Firewall
- FortiGate Firewall
- OpenWrt
GAZELL, Tunisia
Specialties: SMS,SMS Gateways,Kannel,Jasmin,Bulk SMS Software,SMS Lead Generation Software, Fortumo, Twilio, Plivo,Clickatell, SMPP 3.4 , HTTP REST API,AT Commands, GSM Modules,telecommunication,VOIP,SIP,IVR. Languages: English(Fluent), French(Fluent), Arabic (Fluent) Programming Skills: PHP 5&7, PL/SQL, shell Scripting, Perl Scripting, Java, Oracle/Mysql,Oracle Forms, Oracle Reports, Solaris/Linux Unix, Application Servers, Web services, advanced XML technologies, SOA patterns.
- JavaScript
- Java
- MySQL
- C#
- PHP
- Microsoft Excel
- Oracle WebLogic Server
- SMS Gateway
- XML
- CentOS
- Apache Tomcat
- J2EE
- SQL
Islamabad, Pakistan
I am a versatile IT professional with 6+ years of hands-on experience in IT support, network and server administration, cloud solutions, cybersecurity, and building infrastructure. I help businesses ensure smooth, secure, and efficient IT operations. I provide professional services in: IT Support & Consultancy: Setup, troubleshooting, and maintenance of laptops, printers, scanners, fax machines, switches, firewalls, and other IT equipment. Strategic IT guidance to optimize operations. Network Administration: Design, deployment, and troubleshooting of wired and wireless networks. Experience with network switches, routers, VOIP systems like 3CX and FreePBX, and connectivity solutions. Server Administration: Managing Windows and Linux servers, virtualization, backups, and server optimization. Cloud Solutions: Microsoft 365, AWS, managed backups, and virtualization solutions to enhance business productivity and scalability. Cybersecurity: Network security, endpoint security, vulnerability management, and ensuring your infrastructure is safe from cyber threats. Building Infrastructure: CCTV and surveillance systems setup for homes and businesses. I am committed to delivering reliable, efficient, and secure IT solutions tailored to your business needs. Let’s work together to simplify your IT and enhance your operations.
- IT Support
- Network Administration
- Firewall
- VoIP
- Microsoft Azure Administration
- VMware ESX Server
- Windows Server
- Cybersecurity Tool
- Security Framework
- Veeam
- Microsoft Intune
- Ubiquiti
- Helpdesk
- Backup & Migration
- Vulnerability Assessment
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Summa Linguae
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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