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Asterisk on Android creating SIP-GSM gateway

$750-1500 USD

Closed
Posted over 5 years ago

$750-1500 USD

Paid on delivery
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
Project ID: 17731877

About the project

9 proposals
Remote project
Active 6 yrs ago

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9 freelancers are bidding on average $1,387 USD for this job
User Avatar
Hi there, I have read the details I am experienced with Android, Asterisk PBX, VoIP. I can help you with this job, Please come to chat so we can discuss this job.
$1,250 USD in 20 days
5.0 (8 reviews)
5.5
5.5
User Avatar
Good day! Man you give me geniuos idia. because we can create app that any people can install to his phone and get some small profit for that. for axample 0.001$ per minute. and we will using his phone to send calls. hahaha its really genios. will start development now.
$2,222 USD in 60 days
4.9 (22 reviews)
5.2
5.2
User Avatar
Hello Friend, I have 4+ year experience in design and development of Websites and Mobile Applications. I have relevant experience to your requirement. I can do your project. I have expertise in developing Appointment Application, Business Application, E-commerce Applications, Payment gateway integration etc. I have expertise in Design, Java, PHP, Android, iOS, Database etc. Looking forward to hearing from you. Regards Mahavir
$1,250 USD in 20 days
5.0 (9 reviews)
4.4
4.4
User Avatar
Hi... How are you?. I saw your description carefully. -----Project Title------ Asterisk on Android creating SIP-GSM gateway -----Project description----- 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... ---------------------------- And if you want to see my skills please go this link: https://www.freelancer.com/u/crocodile305 When you have enough time to discuss about your project with me, please contact me. Thanks
$750 USD in 3 days
0.0 (1 review)
0.0
0.0
User Avatar
Hi client, I am expert in mobile apps development with excellent UI design specially for mobile apps. i have read you requirement very carefully that you are expected from developer. i can help you both part for design and development. please contact me for your requirement and i.m available for you. thanks Md. Mahbub Uddin baku
$1,250 USD in 20 days
0.0 (0 reviews)
0.0
0.0
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Now i have a android aplication phone, based on zoiper sdk; this aplication are write en b4a and support 4 wait to connect, support video and sms. only you need write the 3 basic parameter and the app try to connect . i test this app with asterist device and run fine without problems.
$1,111 USD in 25 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of MOROCCO
ceuta, Morocco
5.0
2
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Member since Jun 29, 2016

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