Top OpenSIPS freelancers

35 freelancers list OpenSIPS on Upwork.

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Showing 35 of 35Data updated Nov 7

# Freelancer		SinceMember since
Aram M. 🇦🇲🇦🇲 WebRTC, LiveKit, SIP, VoIP, AI Agents, Nodejs, Go, Software Architect	$5k↓ 1%	Oct 2014Oct 25, 2014
Malay P. 🇮🇳🇮🇳 VoIP & SIP, FreeSWITCH, Kamailio, OpenSIPS, Asterisk, PHP, SQL, Linux	$4k↑ 6%	Oct 2010Oct 3, 2010
Eseoghene S. 🇳🇬🇳🇬 VoIP & SIP Engineer \| Carrier Infrastructure \| SBC \| AI Voice	$508↓ 40%	Aug 2021Aug 11, 2021
4 Alaeddine H. 🇹🇳🇹🇳 VoIP Engineer:AI Agent,Asterisk, FreePBX, Kamailio, Linux, IVRs	$332↓ 3%	May 2020May 1, 2020
5 Vitaliy N. 🇰🇿🇰🇿 VoIP Engineer	$300↓ 4%	Apr 2023Apr 11, 2023
6 Dung N. 🇻🇳🇻🇳 VoIP Developer and System Admin	$165–	Oct 2013Oct 15, 2013
7 Faisal A. 🇵🇰🇵🇰 Telephony Architect \| FreePBX, Asterisk, 3CX \| Call Centers \| 12+ Yrs	$99↑ 15%	Sep 2014Sep 20, 2014
8 Muhammad S. 🇵🇰🇵🇰 VoIP, Asterisk, Hosted Call Center, ViciDial, Kamailio, IVR, WebRTC	$33–	May 2009May 14, 2009
9 Muhammad R. 🇵🇰🇵🇰 Workflow Automation & API Integration Engineer \| OpenAI, VoIP, Cloud	$0–	Nov 2023Nov 27, 2023
10 Bamitale A. 🇳🇬🇳🇬 AI Engineer Full Stack Web Developer VoIP Real Time Comm Specialist	$0–	Dec 2020Dec 9, 2020

Freelancer	MRR	Member since
11 Faisal H. 🇬🇧🇬🇧 Sr. Solution Architect: Real-Time Coms, CPaaS, VOIP, WebRTC, LLMs & AI	$0–	Mar 2017Mar 4, 2017
12 Jayesh N. 🇮🇳🇮🇳 Expert in Real Time Communication Technologies	$0–	Sep 2013Sep 17, 2013
13 Andrii Z. 🇵🇱🇵🇱 WebRTC Developer \| React \| Node.js \| React Native WebRTC	$0–	Jun 2024Jun 20, 2024
14 Ahsan A. 🇵🇰🇵🇰 Senior Backend & DevOps Engineer \| API Architecture, Voice AI & VoIP	$0–	Jan 2022Jan 18, 2022
15 Oleksandr M. 🇺🇸🇺🇸 Senior Engineer, VoIP, Asterisk,Opensips, Distributed Systems	$0↓ 100%	Jul 2009Jul 30, 2009
16 Rafael S. 🇦🇱🇦🇱 VoIP engineer	$0–	Oct 2018Oct 24, 2018
17 Aqs Y. 🇵🇰🇵🇰 Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/VoIP Enthusiast	$0–	Feb 2015Feb 11, 2015
18 Surendra P. 🇮🇳🇮🇳 Expert SIP developer	$0–	Sep 2016Sep 18, 2016
19 Vikas K. 🇮🇳🇮🇳 Freeswitch/Asterisk/IVR/AI-Bot/WebRTC/Ecommerce/FAX	$0–	Jul 2009Jul 23, 2009
20 Naveed U. 🇵🇰🇵🇰 Expert VoIP Admin(Asterisk,Freepbx,Vicidial, openSIPS, Elastix, Linux)	$0–	Oct 2013Oct 10, 2013

Freelancer	MRR	Member since
21 Iurii N. 🇧🇷🇧🇷 VoIP / Freeswitch / Kamailio / OpenSIPS Enthusiast	$0–	Oct 2010Oct 14, 2010
22 Ketan J. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 AI Voice Agent Dev \| LiveKit, Pipecat, Vapi \| FreeSWITCH & Asterisk	≈$0–	May 2025May 8, 2025
23 Savita R. 🇮🇳🇮🇳 ✅VoIP Engineer \| 3CX \| Twilio \| Grandstream PBX \| SIP \| Call Center	$0–	Mar 2023Mar 19, 2023
24 Parmar K. 🇮🇳🇮🇳 VoIP \| WebRTC \| Flutter \| ReactNative \| Android \| iOS Developer	$0–	May 2013May 3, 2013
25 Bhaskar M. 🇮🇳🇮🇳 Empowering Your Digital World with IT Excellence \|\| VoIP \| Custom S/W	$0–	Jan 2017Jan 26, 2017
26 Muhammad Bilal T. 🇬🇧🇬🇧 VoIP \| AI Voicebots \| Freeswitch \| Asterisk \|SIP\|WebRTC\| ASR/TTS/LLM	$0–	Jan 2024Jan 15, 2024
27 Muhammad F. 🇵🇰🇵🇰 Asterisk ,OpenSIPS, FreePBX, WebRTC, Kannel, Perl, Python, PHP,XMPP	$0–	Jun 2011Jun 11, 2011
28 Fozle R. 🇧🇩🇧🇩 VoIP & Voice AI Engineer \| Asterisk, FreePBX, VICIdial, SIP & APIs	$0–	Sep 2021Sep 18, 2021
29 Kamran H. 🇵🇰🇵🇰 Forward Deployed AI Engineer \| Sr. Full Stack Developer	$0–	May 2023May 26, 2023
30 Steve K. 🇺🇸🇺🇸 HIPAA & SOC2 Compliance Consultant \| CISSP \| Policies Review	$0–	Aug 2017Aug 6, 2017

Freelancer	MRR	Member since
31 Martin Y. 🇨🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇨🇳 Asterisk \| FreePBX \| FreeSwitch \| FusionPBX \| 3CX \| VoIP Expert	≈$0–	Jul 2015Jul 10, 2015
32 Vivek P. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 WebRTC, FreeSwitch, Video Streaming, Calling SDK, Conversational IVRs	≈$0–	Feb 2018Feb 26, 2018
33 Abhishek kumar K. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Senior VoIP Engineer \| FreeSWITCH, Asterisk, OpenSIPS & Voice AI	≈$0–	Apr 2012Apr 26, 2012
34 Svyatoslav B. 🇨🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇨🇦 IT & networking	≈$0–	Apr 2020Apr 26, 2020
35 Anis B. 🇫🇷Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇫🇷 Expert VoIP/Voice DevOps/UCaaS Engineer - Kamailio/FreeSWITCH	≈$0–	Oct 2014Oct 20, 2014

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