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VOIP Android app with 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 ) Lebanon

Project ID: #15797451

24 freelancers are bidding on average $1241 for this job

syneotek

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$1500 USD in 30 days
(43 Reviews)
7.5
ecurser1

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$1694 USD in 30 days
(62 Reviews)
6.7
EliZhang221

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(26 Reviews)
6.6
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(12 Reviews)
6.3
jinzhenzhu8691

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$1250 USD in 20 days
(15 Reviews)
6.0
edison4mobile

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6.0
imagicaworld

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6.1
Genya127

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(11 Reviews)
6.0
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5.2
$1250 USD in 27 days
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5.1
JinMeng08

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(12 Reviews)
5.1
artistixeit

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4.9
zhangguimin0604

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Bitcial11

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4.3
beinanli11

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3.8
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3.2
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3.1
MaMingMing

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iKcon

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webtecnoworld

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(4 Reviews)
1.9