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IAX2/sip to GSM Android mobile App (android GSM gateway)

i am looking for some one who can make an android mobile app that could make a mobile call trunking application for both directions GSM to (IAX2/SIP) and vise versa.

Requirements:

1- Work on any android mobile platform especially low price mobiles.

2- Register by SIP or IAX2 to any required server.

3- if the mobile have two SIM cards it should work for both and each by separate registration.

4- send calls from sip/iax2 to gsm and receive calls from gsm and send it to sip/iax2

5- Support codecs G711a , G711u, G729, gsm, slin and OPUS.

6- ability to change the mobile IMEI and mobile MAC address on request by API,

7- handle USSD codes and get all type of responses (popups, notifications and text messages).

8- CDR for each mobile with syncing or API to post the CDR in a any Database server.

Skills: Android, Java, Mobile App Development, Software Architecture, VoIP

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About the Employer:
( 0 reviews ) Jordan

Project ID: #16942567

10 freelancers are bidding on average $1118 for this job

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jinzhenzhu8691

My name is Li Ming. How are you? I'm interested in your project and I'm talented full stack and mobile developer. As you can see from my profile, I possess the necessary skills and experience you are seeking for. I More

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buldier08

My name is Nelson. Hi, thanks for your job posting. I don't look new client but I read your serious job posting. That's why I write this bid with happy mind. Some of my developed projects are below:- - Mobile More

$1250 USD in 20 days
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YuKai7777

Dear client! Great to meet you. I have read your description carefully, and it's quite clear to me. Why? My previous work is very similar to this project. Now there will be many freelancers for your project but only More

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