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VoIP,SIP,Asterisk,FreeSwitch,Opensips,Kamailio
  India  |  Rate: $25  |  IT & Programming
4
 |  2 Jobs  |  Private  | 
Over the last 4 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have...

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Expert server-side developer (Web, VoIP, Asterisk)
  Russia  |  Rate: $40  |  IT & Programming
8
 |  103 Jobs  |  Private  | 
Highly skilled server-side developer with over 7 years of experience. Extremely reliable and responsive as it's been written a lot of times in my clients' feedbacks here on Elance. I develop high...

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voip, system, admin, django, bandwidth optimise
  Vietnam  |  Rate: $16  |  IT & Programming
7
 |  16 Jobs  |  Private  | 
I have 6 years experience in system admin, deploy server, maintenance system base on: asterisk, voip, avaya, freeswitch, kamailio, opensip..... have developed some bandwidth optimise for VOIP system

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Asterisk/FreeSwitch expert, VoIP developer
  Russia  |  Rate: $33  |  IT & Programming
4
 |  3 Jobs  |  Private  | 
I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My...

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Unified Video and Voice Communications Engineer
  United States  |  Rate: $82  |  IT & Programming
4
 |  1 Jobs  |  $351 Earnings  | 
Strong technical ability and knowledge of installation, implementation, maintenance, administration and support of multiple VoIP PBX systems such as Cisco Unified Communication Manager, Asterisk...

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Expert Linux/DevOps & VOIP Engineer
  United States  |  Rate: $27  |  IT & Programming
4
 |  4 Jobs  |  Private  | 
Linux Engineer focusing on VOIP Technologies with practical experience using Asterisk, FreeSwitch and OpenSIPs. Level3 Technical support for Linux systems and platforms. I run a small company...

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Passionate Telephony and CRM Developer
  India  |  Rate: $38  |  IT & Programming
6
 |  8 Jobs  |  $1,941 Earnings  | 
Over the last 15 years, i have been providing software solutions and building telephony capabilities with Asterisk, Freepbx, Kazoo, Opensips and salesforce.com applications and also implemented...

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voip hi load expert
  Ukraine  |  Rate: $55  |  IT & Programming
3
 |  3 Jobs  |  $767 Earnings  | 
excelent work in minimal price and time. time is my value. experience with asterisk/kamailio more then 11 years.

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Linux Administration Asterisk (VoIP,GoIP,RoIP)
  Pakistan  |  Rate: $19  |  IT & Programming
3
 |  7 Jobs  |  Private  | 
I can handle in VOIP (Asterisk,Opensips, FreePBX: PBX installation from scratch. Configurations to master level. Dial Plan customization (Call Recording, Call transfer, Call queues etc). Debugging...

Currently Unavailable
Veteran Asterisk Engineer
  United States  |  Rate: $40  |  IT & Programming
3
 |  1 Jobs  |  $88 Earnings  | 
US based veteran Asterisk, Open Source Telephony engineer. 10 years of experience architecting and implementing enterprise size voice systems, call centers, IVR boxes, billing platforms, calling...