Sip-to-GSM gateway for Android -- 2

Closed Posted Apr 8, 2014 Paid on delivery
Closed Paid on delivery

Need application for Android which use WiFi or 3G network to terminate calls from SIP to GSM network.

There GSM data card based existing projects like chan_datacard for Asterisk which use AT commands. Application should have builtin TLS protokol an OpenVPN client for ability working in networks with restricted or closed Sip ports.

Android Mobile App Development

Project ID: #5776098

About the project

6 proposals Remote project Active May 15, 2014

6 freelancers are bidding on average $250 for this job

parainfotechat

Hi, Hope you are going good ! I have +3 years Experience in Android and I-phone apps. I have a well experience team who will provide you our 100% recommendation. I reviewed your project with carefully and it i More

$277 USD in 15 days
(9 Reviews)
4.5
acetech99

Hi , We have 40+ skilled mobile apps development team, so please give few minutes for technical discussion of your requirement. Dedicated resource with full time availability to your project with Skype & email More

$300 USD in 20 days
(6 Reviews)
3.1
akpurplecodes

A proposal has not yet been provided

$183 USD in 12 days
(0 Reviews)
0.0