Android phone as GSM gateway for Asterisk

I need to use an android cellphone as an asterisk channel/Gateway. This will make phone calls using Asterisk PBX through a cellphone running android. In this case, Android phone will be acting as a GSM Gateway for Asterisk.

The application working in APK format

Full source code

Simple manual for compiling and generating the application from source

Features :

-Route call from SIP to GSM

-Convert audio from/to SIP and GSM networks

-Able to run on Android 4.0 and up.

- Must run on background

- Must be very lightweight to run on small memory devices

Sip Requirements :

- Register on Sip Proxy/Gateway

- Receive call authenticated by IP, user/pass or no authentication.

- Make calls with or without authentication

- Forward DTMF digits using RFC2833 or inband

- Use codec G711 and GSM

- Be able to use codec G729

- Receive through GSM one 1 simultaneous call and rout it to a predefined SIP client

- Be able to store a CSV with all calls made

Skills: Android, Mobile App Development

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About the Employer:
( 0 reviews ) China

Project ID: #15609799

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