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sip system failure in mainland china

8 freelancere byder i gennemsnit $323 på dette job

Erewin

Hello, describe please what is the problem. Is it blocked by carrier? be free to ask me any question. bye, Pavel.

$500 USD in 7 dage
(40 bedømmelser)
6.1
munirhayat

I have 7 years of experience in voip. and can resolve your sip voip issue. I am available to start right now.

$333 USD på 1 dag
(7 bedømmelser)
3.7
hsh564cf84accd96

I am writing this proposal in order to work for you in Software and Web Development. We are highly trained professional developers seeking to freelance and earn online. Having a flair in programming and development I Flere

$250 USD in 7 dage
(2 bedømmelser)
2.3
rrrb7

I have been working with VoIP for 15 years and have decent experience in resolving various problems in call routing (SIP, H.323), voice fading, loss of RTP, RTCP packets: problems on gateways in PSTN and much more

$500 USD in 7 dage
(0 bedømmelser)
0.0
ankit02uppal

I am working as network consultant in one of the most reputed company Dimension Data(NTT). I have more than 8 years of experience. Please find below my core Competencies • Design & Deployment of Cisco Collaboratio Flere

$250 USD in 2 dage
(0 bedømmelser)
0.0
nusreterdi

Hello. I am voice network enginner and I am expert at VoIP. I have been working with VoIP for 7 years. Also I use many exchange , SBC and VoIP gateway. I can help you for VoIP problems whenever you want and whatever. T Flere

$250 USD på 1 dag
(0 bedømmelser)
0.0
mazeemkhan14

HI, My name is Azeem, I have profound experience in Voip setup and also work experience in different Voip companies and have good knowledge in SIP and H323 protocols of VOIP. Please let us know some details about your Flere

$250 USD in 7 dage
(0 bedømmelser)
0.0
SunshineConsult

Hi, I am a VOIP expert having more than 14 years of experience in this field have worked on products like Asterisk,Cisco, Avaya and Protocols like SIP, H.323 and Megaco,could help you to resolve the SIP issue asap.

$250 USD på 1 dag
(0 bedømmelser)
0.0