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SIP/RTP Visual Basic .NET Developer

We are looking for SIP/RTP VB.NET Developer that familiar with PBX, IVR, SIP and RTP. Client/Server application have to be made, where server side is SIP Registrar/Proxy mixed with accounting and billing system. Clients will connect to it, establish phone call, they will b connected to another client or IVR will respond if there is no funds left to place a call. Same way, if during the call, funds went lower than allowed balance, call will be terminated.

Please vote if you have already done similar projects and you can show any demos, or at least have clear 100% understanding of what we need.

Visual [url removed, login to view] knowledge is the must.

Kemahiran: .NET, Perkhidmatan Audio, Visual Basic

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Tentang Majikan:
( 0 ulasan ) Bucharest, Romania

ID Projek: #222377

5 pekerja bebas membida secara purata $724 untuk pekerjaan ini

meetesh

Plz check my PMB

$750 USD dalam 20 hari
(62 Ulasan)
7.9
pgcoding

please check pmb.

$700 USD dalam 30 hari
(21 Ulasan)
6.6
qbiztech

Hi, Greetings. I can work on this kind of project. I already have telephone device ,TAPI application experience. Please reply for discussion. Regards, John

$700 USD dalam 30 hari
(1 Ulasan)
3.6
paandav

Please refer the PMB

$720 USD dalam 25 hari
(1 Ulasan)
2.6
imaxlogix

PLZ Check PM for further detail.

$750 USD dalam 30 hari
(0 Ulasan)
0.0