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Gohar A. - VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

Gohar A.

VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

$60/hr
156 hours
Canada
91% JOB SUCCESS
“Cannot recommend higher. Very skilled specialist. For sure, we will work again.”
  • SIP
  • Asterisk
  • Freeswitch
Arsen S. - VoIP Administration & Development

Arsen S.

VoIP Administration & Development

$55.56/hr
884 hours
Bulgaria
97% JOB SUCCESS
“a real pro when it comes to Asterisk. Available within a short time. Very friendly. Very clear communication and excellent english skills.”
  • Asterisk
  • Freeswitch
  • SIP
  • PHP
alexander M. - Asterisk/voip/a2billing/freepbx/kamailio expert

alexander M.

Asterisk/voip/a2billing/freepbx/kamailio expert

$67.77/hr
614 hours
Ukraine
92% JOB SUCCESS
“A very pain free job. What few issues we came across were very quickly identified and resolved, even at hours well outside of his local work day.”
  • Asterisk
  • OpenSIPS
  • A2Billing
Dmitry S. - Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

Dmitry S.

Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

$33.33/hr
116 hours
Russia
95% JOB SUCCESS
“Dimitry accompanied us and advised us throughout the project, moreover he was not discouraged despite our misinterpretation of the scope of the project. His communication and responsiveness...”
  • VOIP Administration
  • PHP
Yuriy N. - VoIP/Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/ Enthusiast

Yuriy N.

VoIP/Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/ Enthusiast

$40/hr
1,187 hours
Russia
94% JOB SUCCESS
“The contractor completed all tasks successfully in a timely and professional manner.”
  • SIP
  • Freeswitch
  • OpenSIPS
  • Lua
Igor O. - VoIP and Linux Engineer

Igor O.

VoIP and Linux Engineer

$30/hr
167 hours
Ukraine
100% JOB SUCCESS
“First: we still work together and I hope for a very long time. We just end the contract on upwork (we have another framework now). Why Igor? Let's see: Igor is a classic academically...”
  • VOIP Administration
  • SIP
mohammad k. - FreeSWITCH Expert with Web development Experience

mohammad k.

FreeSWITCH Expert with Web development Experience

$50/hr
3,708 hours
Bangladesh
99% JOB SUCCESS
“Super fast developer, super fast learner. Mohammad was flexible when I need to make some changes to my original spec. Will definitely do more work with him!”
  • Freeswitch
  • Django
  • Python
Azhar N. - VoIP Developer and Scripting Expert (Python, PHP & Perl)

Azhar N.

VoIP Developer and Scripting Expert (Python, PHP & Perl)

$12/hr
0 hours
Pakistan
New to Upwork
  • WordPress
  • Wordpress Plugin
Alexandr O. - Developer

Alexandr O.

Developer

$20/hr
0 hours
Russia
New to Upwork
  • Freeswitch
  • OpenSIPS
  • Django
Alexey V. - VoIP and Unix Administrator

Alexey V.

VoIP and Unix Administrator

$22/hr
0 hours
Russia
New to Upwork
  • Freeswitch
  • OpenSIPS
Konstantin S. - Network and VoIP Engineer

Konstantin S.

Network and VoIP Engineer

$19.9/hr
0 hours
Russia
New to Upwork
  • SIP
  • Asterisk
  • FreePBX
  • Elastix
Sergey P. - VoIP and Linux Engineer

Sergey P.

VoIP and Linux Engineer

$30/hr
76 hours
Russia

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