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SIP-GSM GATEWAY Android

I need an application that runs on Android phones (4.0 or above) and can send/receive calls through SIP (Can use any sip stack like sipdroid) and forward it to the GSM network. The application should then forward the audio and convert from SIP to GSM and vice versa.

Full description below. Please review and message me with considerations. If any requirements are unable to be met, please let me know before we make a deal.

Summary

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

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

General

Deliveries

The application working in APK format

Full source code

Simple manual for compiling and generating the application from source

A SIP client running on another phone that connects to the server via WIFI and able to demonstrate the functionality in this project.

Features

- Route call from SIP to GSM

- Route call from GSM to SIP (preconfigured SIP client)

- Convert audio from/to SIP and GSM networks

- Able to run on Android 4.0 and up.

Application Configurations

- Enable or disable the app

- Enable to receive calls only on wifi or all networks

- Enable to route calls from GSM to SIP (SIP address is configured through an API)

- The number to send the call should be configured through an API that is supplied with the APP

- Enable to route calls from SIP to GSM

- Must run on background

- Must be very lightweight to run on small memory devices

- Configure SIP Accounts.

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

Kĩ năng: Dịch vụ audio, Mobile App Development, Asterisk PBX, Android, VoIP

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Về Bên Thuê:
( 0 nhận xét ) Lahore, Pakistan

ID dự án: #21165697

5 freelancer đang chào giá trung bình $20/giờ cho công việc này

BlueSky729

Hello. I have read your project details carefully ,and I have an interest about your business. I have been developing Android , iPhone and Web for 8 years and have rich experience and technology in this field. I would Thêm

$20 USD / giờ
(11 Nhận xét)
5.8
ownmyserver

Hello Greetings...!! I have read your project requirements. I am familiar with all required technologies and I have experienced resource to start with your project. Either we can go with fix cost or you can hire us o Thêm

$20 USD / giờ
(13 Nhận xét)
4.9
Sunilchaudhary8

Hello Sir, [login to view URL] Link-[login to view URL] I am VOIP SIP dialer developer by profession for android and ios an Thêm

$20 USD / giờ
(11 Nhận xét)
4.3
rvtechsolution

Hi I am Android and iOS APPs expert having 7+ years experience and ready to Build SIP-GSM GATEWAY Android. Please share more details. Kindly initiate the chat to discuss further on the same. Please che Thêm

$22 USD / giờ
(7 Nhận xét)
2.4
SterlingWhite55

Hi. I am a famous developer and troubleshooter. I am ready for your project now. I would love to work on your project and I'm confident that I can give the result and exceed your expectations. Talking about my primar Thêm

$20 USD / giờ
(1 Nhận xét)
1.4