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Hire the best SIP Specialists in Ukraine

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  • $30 hourly

    • 5.0/5
    • (86 jobs)
    I have been working as developer since 2000. I have developed a wide range of software. Skills: Java, Kotlin, Android, SQL/MySQL, Delphi, C++, C#, TCP/UDP, DirectShow, DVR/NVR board, CCTV/IP cameras, Hikvision/Dahua, I/O devices, SIP/VOIP/WEBRTC, HTML/PHP/jQuery/AJAX/JavaScript/CSS. Ionic framework. AWS/Zoho/Apache. Flutter, Dart, Swift, Obj-c
    vsuc_fltilesrefresh_TrophyIcon SIP
    PHP
    Android App Development
    TCP/IP
    VoIP
    Session Initiation Protocol
    WebRTC
    MySQL
    JavaScript
    Delphi
    Java
  • $35 hourly

    • 4.9/5
    • (34 jobs)
    I am a telephony engineer. I have good knowledge of SIP and PSTN. Experience: ● Asterisk; ● Alcatel-Lucent OXE 4400; ● System administrator linux (Centos, Ubuntu); ● FreePBX | Elastix | Kolmisoft MOR | Grandstream UCM | 3CX phone system | ● Pyhton, Bash, PHP scripting; ● GSM Gateway, ATA, SIP phone and etc. ● Zabbix ● Billing system Tariscope ● MySQL and PostgreSQL
    vsuc_fltilesrefresh_TrophyIcon SIP
    Linux System Administration
    VoIP Software
    VoIP Administration
    Grandstream
    FreePBX
    MySQL
    Session Initiation Protocol
    VoIP PBX
    Asterisk
    Ubuntu
    Linux
    CentOS
    Python
    Bash
  • $32 hourly

    • 5.0/5
    • (7 jobs)
    I am a highly skilled and experienced Software Engineer with a strong focus on Node.js, PHP, Laravel, AWS, VoIP, Asterisk, and SIP technologies. With a proven track record in developing and delivering robust and scalable software solutions, I am passionate about creating cutting-edge applications that drive business growth and enhance user experiences. 1. Node.js: I excel in building server-side applications and real-time systems using Node.js. My proficiency in JavaScript allows me to develop high-performance, event-driven applications to meet various business needs. 2. PHP & Laravel: I have a deep understanding of PHP and extensive hands-on experience with the Laravel framework. This combination empowers me to develop secure, efficient, and feature-rich web applications with ease. 3. AWS: I am well-versed in leveraging Amazon Web Services (AWS) to design and deploy cloud-based solutions. My expertise includes setting up and managing scalable and fault-tolerant infrastructure, utilizing various AWS services. 4. VoIP & Asterisk: My knowledge in Voice over Internet Protocol (VoIP) and Asterisk enables me to implement and optimize communication systems, such as voice and video calls, conferencing, and voicemail solutions. - Developed and deployed multiple enterprise-level web applications using Node.js, PHP, and Laravel, achieving significant performance improvements and reduced response times. - Successfully integrated AWS services like EC2, S3, Lambda, and DynamoDB into applications, resulting in highly scalable and cost-effective infrastructures. - Designed and implemented VoIP systems based on Asterisk, enabling organizations to improve their communication capabilities and save on communication costs. - Implemented SIP-based communication solutions for businesses, improving collaboration and customer engagement through real-time communication channels. With a proactive and collaborative approach, I thrive in agile development environments, working closely with cross-functional teams to deliver projects on time and within budget. I am constantly seeking new challenges and opportunities to expand my technical skill set and stay up-to-date with the latest advancements in software engineering and cloud technologies. If you are looking for a results-driven Software Engineer who can tackle complex projects and deliver innovative solutions, I am confident that my expertise in Node.js, PHP, Laravel, AWS, VoIP, Asterisk, and SIP would be a valuable addition to your team. Let's collaborate to create exceptional software solutions that drive your business forward.
    vsuc_fltilesrefresh_TrophyIcon SIP
    CRM Development
    Docker
    System Administration
    Twilio API
    Session Initiation Protocol
    Linux System Administration
    Asterisk
    VoIP
    AWS Development
    Git
    ExpressJS
    React
    Laravel
    PHP
    Node.js
  • $25 hourly

    • 5.0/5
    • (17 jobs)
    Hi, I am in Voip during 15 years ( from very begining of Voip) worked in several IT companies, Telcos, stores. During it have confiured many telecommunication equipment, commercial VOIP billing/routing software. During last 5 years. I am doing asterisk development, My web site-portfolio is: a4business.com I am creating turn-key VOIP platforms for online bussines with WEB-site, different billings, rates setup, VOIP dialers, mobile dialers, DIDx provider integration, paypal online payments for Calling card business, DID and other. Also have expierence with Asterisk, iTelSwitch, iTelByteSaver, iTelSwitch, Billbery, Alepo, MVTS, a2billing, freepbx, opensips, kamalio, Do PHP programming (php-agi, css, jquery), Linux advanced administration, kernel, bash, perl, SQL database architecture: Mysql, MSSQL, Sybase, SQLite, PostgreSQL, Monitoring : Cacti, MRTG, RRD, WHMCS customization; system Backup/Restore schemes. Also I install everything which is needed for business - mail exchange servers (Zimbra, Zarafa, Roundcube Webmail), Ticketing CMS (WHMCS) and write custom modules for each.
    vsuc_fltilesrefresh_TrophyIcon SIP
    PHP
    JavaScript
    AJAX
    Asterisk
    A2Billing
    Session Initiation Protocol
    jQuery
    FreePBX
    SAP Sybase Adaptive Server Enterprise
    Bash
  • $25 hourly

    • 5.0/5
    • (4 jobs)
    6 years of Java EE development experience . - Spring Ecosystem ( IoC, DI, MvC, Security,Data, SpringBoot etc.); - Struts, JSP, JSF, JSTL (legacy things); - JDBC+ JPA/Hibernate ; - MySQL, PostgreSQL; - Different Cloud Systems (AWS, GCP, Azure, linode, DigitalOcean, etc.) - Full development cycle; Also have experience in system administration/DevOps-ing. For additional info ask me directly. Thank you :)
    vsuc_fltilesrefresh_TrophyIcon SIP
    VoIP
    Session Initiation Protocol
    API
    Java
    Android
    Kurento
    Bash Programming
    Asterisk
    FreeSWITCH
  • $22 hourly

    • 4.7/5
    • (1 job)
    More than 17 years in software development using C++/.NET/SQL DBs, experience in simple and complex application design (desktop, N-tier, VoIP, system utilities, etc), requirements analysis and cover, deploy and support. Interested in developing complex and modern projects such as smart-client application, N-tier distributed applications, VoIP, mathematic-related projects, etc. 
    vsuc_fltilesrefresh_TrophyIcon SIP
    Session Initiation Protocol
    User Interface Design
    Database Modeling
    C#
    ASP.NET
    HTML
    AJAX
    .NET Framework
    C++
  • $50 hourly

    • 4.3/5
    • (4 jobs)
    My profession is: WebRTC, FFMPEG, Gstreamer, NaCl, XMPP, SIP, RTP, RTMP, Wowza, Icecast protocols; VP9, VP8, H.265, H.264, Opus, Speex, AMR, GSM, G.7xx Video and Voice encoding and transmission; OpenFire, Red5, Asterisk, OpenSips Servers; TLS, SSH, RSA security; TCP and UDP sockets, Tunneling, TCP over UDP. Also I've good experience of Video/Image processing with OpenCV, Tesseract OCR, GPUImage, AVFoundation. I am working in mobile application development, especially with Video Chat, Audio Calling, Instant Messaging and other Multimedia solutions. Integrating social sites, Google API, Sqlite are normal sense for me.
    vsuc_fltilesrefresh_TrophyIcon SIP
    FFmpeg
    WordPress
    Session Initiation Protocol
    Real Time Stream Processing
    Android App Development
    iOS Development
    Objective-C
    WebRTC
    PHP
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