SIP-GSM Gateway for Android

Closed

Description

HI

an application is needed which runs on Android and iPhone and can receive calls through SIP and forward it to the GSM network. The application should then forward the audio and convert from SIP to GSM and vice versa.

Summary

The goal of this project is to develop an application that can receive calls through SIP and forward them to the GSM network.

The application should then forward the audio and convert from VoIP to GSM and vicevers

Features

- Route call from SIP to GSM

- Convert audio from/to SIP and GSM networks

- Configurable SIP Accounts.

- Register on Sip Proxy/Gateway

- Receive call authenticated by IP, user/pass.

- Forward DTMF digits using RFC2833 or inband

Deliveries

The application working in APK format

Full source code

Simple manual for compiling and generating the application from source

Payment only after demonstration the functionality of the project by a SIP client running on a phone.

Skills: Android, iPhone, Mobile Phone, VoIP

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Project ID: #12240797

25 freelancers are bidding on average $625 for this job

ITLove007

How Are You, Sir. I have, mobile app( Android, IOS) , php and backend skill. I have experience with e SIP and GSM network, Social app, Dating app, Chatting app, Video Streamming, IPTV app, Uber style App , Restaura More

$526 USD in 10 days
(108 Reviews)
7.9
KESHAVINFOTECH

Hi Thanks for your valuable time. :-) Just reply with 'Yes' and We will come up with a. Detail project plan with our comments/queries. b. Best-feasible-real COST & TIMELINE Latest Apps : http://mobile.kes More

$750 USD in 30 days
(112 Reviews)
7.8
SevenStarInfo

Hello, We are happy to discuss our proposal with you. KEY POINTS THAT MAKE US DIFFER FROM OTHERS: ~ We have 5+ years of experiences in Unity 3D, Xcode, CoCoa 2d, Phonegap and major iOS and Android developement. ~ More

$1000 USD in 10 days
(67 Reviews)
7.7
xiaomingming

How are you? Thanks for your checking my bid. I am a Mobile & Web developer who have 10 years experience of program develop and 5 + years in mobile. also I have rich develop experience with XCode, Android studio, More

$1055 USD in 10 days
(65 Reviews)
7.4
JoomlaVogue

Hello Sir, First of all, we would like to tell you how we will initialize the project with you Please have a look at our portfolio for Mobile App and Unity Game based projects: https://drive.google.com/open?id=0B4F8 More

$333 USD in 10 days
(60 Reviews)
7.4
bsbrajmohan25

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$500 USD in 10 days
(25 Reviews)
6.7
seekdeveloper

Hi, I have read your post and understood your requirement and I have great experience working on -Native: iOS, Android (Objective-C, Swift, Java), PhoneGap, JNI, NDK (C/C++),Cocoa, Cocos2d game engine, OpenGLES, c More

$1030 USD in 10 days
(11 Reviews)
7.2
Shopify

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$721 USD in 15 days
(7 Reviews)
6.3
prashushinde9

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$773 USD in 20 days
(13 Reviews)
6.3
bondwp322

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(39 Reviews)
6.5
CleanMaster

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$555 USD in 10 days
(43 Reviews)
6.1
shreeyait

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(22 Reviews)
6.2
super2lao

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(15 Reviews)
5.9
PerfectlyCoding

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$555 USD in 10 days
(9 Reviews)
6.0
rightbigboss

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$555 USD in 10 days
(12 Reviews)
5.8
RubyOnRail

Hello, Its a pleasure to let you know that I've Completed and Delivered similar project before. All I need to work upon customization part, if we can proceed towards more discussion. I have gone through your project More

$777 USD in 15 days
(4 Reviews)
5.3
cuibeauty

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$777 USD in 10 days
(17 Reviews)
5.2
AleenaIlyas

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$555 USD in 10 days
(6 Reviews)
5.0
supersuntech

Hello Employer Thanks for giving me the opportunity to bid on your project. I am a web and mobile app developer having 6 years of experience in mobile app development. I am providing you website which is compat More

$555 USD in 10 days
(5 Reviews)
4.2
myappsdevelopers

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(15 Reviews)
4.0