Closed

Asterisk on Android creating SIP-GSM gateway

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

Skills required:

Android, VoIP

Skills: Android, Asterisk PBX, VoIP

See more: setup voip solution using oktell sip-gsm gateway & asterisk - open to bidding, sip gsm gateway android app, sip gsm gateway using gsm android phone, android app sip gsm gateway, android trunk sip gsm gateway, phone sip gsm gateway android, sip gsm gateway asterisk, sip gsm gateway android, android sip gsm gateway, sip gsm gateway software, sip gsm gateway usb, sip gsm gateway, sip gsm gateway linux, best sip gsm gateway, affordable sip gsm gateway

About the Employer:
( 0 reviews ) Ecuador

Project ID: #15218047

15 freelancers are bidding on average $715 for this job

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: [url removed, login to view] More

$333 USD in 10 days
(62 Reviews)
7.5
Yknox

Hi ,I am Gang ,software developer in China. I am a certificated freelancer with over 700 good reviews from my clients. I never disappoint my clients and I’m able to lead your project to success and troubleshoot pro More

$3092 USD in 20 days
(130 Reviews)
7.2
UnitedWebSpace

Hi, Nice to meet you. My name is Bryan. Please check my profile [url removed, login to view] As a mobile app developer, I have a great experience for 6+ years in mobile app development. I am More

$555 USD in 10 days
(20 Reviews)
6.3
shreeyait

Hello, Hope you are fine there. We are having good experience with Mobile App projects and the reason we came across here to give the best output to your project with supreme quality. We have developed dif More

$555 USD in 10 days
(19 Reviews)
6.3
$555 USD in 10 days
(8 Reviews)
5.5
suniljoshi151

Respected Sir/Madam, Having 7 Yrs of great experience in the field of Android SDK, JAVA ,Android Development Webservices, Cocoa Framework ,XCode ,iPhone SDK ,Cocos2D,OpenGL ES, Master Databases (MySQL ; SQLite), Geol More

$500 USD in 10 days
(11 Reviews)
5.2
rkatoch

****** EXPERIENCED APP DEVELOPER HAVING MORE THAN 8 YEARS EXPERIENCE **** We are team of 20+ senior app developer each having an experience of more than 8 years . We are build the web applications and mobile ap More

$555 USD in 10 days
(1 Review)
4.1
jexcoreinfotech

Hello Sir, Hope you are doing well!!! Detail About our Company: At Jexcore Infotech Pvt. Ltd. We’ve a talented pool of technical professionals that have experience within the latest Mobile Application, Web appli More

$555 USD in 10 days
(3 Reviews)
3.8
myappsdevelopers

Hello Hiring Manager, I read your job descriptions carefully, I am very interesting in your job. I have developed apps such as Social networking & lifestyle(Tinder style dating, chatting, sharing), Food & drink(R More

$611 USD in 15 days
(16 Reviews)
4.1
nexcodinfotech

Dear Sir/Mam, We have read your requirements and I am very interested. We have 5+ years of experience in Website & Mobile App Development. We will provide the best services. ::Highlights of my qualifications More

$740 USD in 25 days
(6 Reviews)
3.4
$555 USD in 10 days
(3 Reviews)
2.9
Mobiquick

Greetings!! I am very thankful for this opportunity. It’s really exciting that we have similar kind of expertise and work experienc Understanding: -We have gone through your requirement and we understand that yo More

$388 USD in 10 days
(1 Review)
0.0
evontech4

Hi, I have got Rich experience in Joomla, Wordpress, Codeigniter, Cake PHP), .NET, Asp.NET, Vb.NET, HTML 5 etc.& mobile apps Relevant Skills and Experience Also have very good knowledge of javascript, jQuery Json, More

$653 USD in 10 days
(0 Reviews)
0.0
tangramua

Hi, my team has vast experience in Astesysk integration and VOip becasue we have our own IP-telephony on Asterisk. Would be a pleasure to assist you. Feel free to contact me to discuss further.

$526 USD in 10 days
(0 Reviews)
0.0
$555 USD in 10 days
(0 Reviews)
0.0