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SIP to GSM Gateway for Android - New

$750-1500 USD

Cerrado
Publicado hace más de 5 años

$750-1500 USD

Pagado a la entrega
Hi I need an application that can receive a call 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. The app should be able to run on cheap devices (+-100$). I was thinking on a way to emulate a headset and set it as default, so just need to initiate a call on gsm network using core android functions and audio will be automatically forwarded. Codecs: Minimum g711, desired g729. Full description below. Please review and message me with considerations. If any requirements are unable to be met, please let me know before we make a deal. Summary o The goal of this project is to develop and Android application that can send calls through SIP and forward them to the GSM network AND receive calls from GSM and forward to SIP. The application should then forward the audio and convert from SIP to GSM and vice versa. o The app should be able to run on cheap devices (+-100$). General o Deliveries o The application working in APK format o Full source code o Simple manual for compiling and generating the application from source o The project will be closed source and must be able to be sold on Google Play, so must NOT use an open licensing model that prohibits closed source code. Features o Route call from SIP to GSM o Route call from GSM to SIP o Convert audio from/to SIP and GSM networks o Can have 2 or more GSM chips (Only one call simultaneous but may choose the chip) o Must be able to run on cheap devices like Samsung galaxy Y or Chinese devices like this ([login to view URL]). o Able to run on Android 2.2 and up. Application Configurations o Enable or disable the app o Enable to receive calls only on wifi or all networks o Enable to route calls from GSM to SIP o Choose a fixed number to send the call o Enable to route calls from SIP to GSM o Route the call to number on INVITE field or a custom field Or route the call to a fixed number defined by user o Must run on background o Must be very lightweight to run on small memory devices o Configure SIP Accounts o Create a mini dialplan to choose which chip to use based on techprefix Sip Requirements o Register on Sip Proxy/Gateway o Receive call authenticated by IP, user/pass or no authentication. o Make calls with or without authentication o Forward DTMF digits using RFC2833 or inband o Use codec G711 and GSM o Be able to use codec G729 o Create a mini dialplan to choose which chip to use based on techprefix, per SIP Account o Hability to register more than 1 SIP account (but receive just 1 simultaneous call) o Be able to store a CSV with all calls made
ID del proyecto: 18206474

Información sobre el proyecto

10 propuestas
Proyecto remoto
Activo hace 5 años

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10 freelancers están ofertando un promedio de $1.213 USD por este trabajo
Avatar del usuario
Hi there, I have checked the details I have rich experienced with Android, Mobile App Development, VoIP. Please initiate chat so we can discuss this job.
$1.250 USD en 20 días
5,0 (52 comentarios)
7,8
7,8
Avatar del usuario
Hello, I can develop your mobile app for Android as per your requirements.I have more than 5 years of experience in mobile app development. Let's discuss about your projects in detail over a chat. Looking forward for your response. Thanks
$1.000 USD en 16 días
4,9 (94 comentarios)
7,4
7,4
Avatar del usuario
Hello, I read the description of your project thoroughly. I understand your requirements basically, and I have experiences of similar project. I am professional Website builder and Mobile App developer, and talented Angular/Nodejs/Vuejs especially. Also I can provide other windows desktop application using .NET techniques. You can see my abilities in my recent reviews, on my profile page. https://www.freelancer.com/u/luiswilliam Now, I have enough time to work for your project and I'm ready to go with you. Usually, I would provide long term support on the work I did. Looking forward your contacting. Thanks! 1542812793053
$750 USD en 2 días
4,6 (7 comentarios)
4,9
4,9

Sobre este cliente

Bandera de JORDAN
Jordan
0,0
0
Forma de pago verificada
Miembro desde may 10, 2018

Verificación del cliente

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