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Software base VoiP call termination from Mobile Phone

We are looking for solution like a traditional GSM or CDMA VoiP gateway. This project will be separated in two parts. One is mobile application and another one is registration server.

The Mobile application will register to a server and accept call from that server with IXA or SIP protocol. After that call will terminate to a GSM network. (this part just like a traditional GMS getaway) This mobile application will work on only wifi Internet connectivity, coz GSM internet data normally disable during any GSM call. All call will pass with G729 codec

The registration server may be Asterisk or VOIP switch or any other server or customize server. This server will receive call from another VOIP switch server with SIP protocol.

Certain number of registered Mobile will be able to assign in a group of gateway. On server have to include option to show balance through USSD

Beceriler: Android, Mobile App Development

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İşveren Hakkında:
( 0 değerlendirme ) Kraków, Poland

Proje NO: #26936839

Bu iş için 6 freelancer ortalamada $550 teklif veriyor

einnovention

Hi i wanna do this job for you, I have 5.0 rating and in top 8% freelancers on face of this planet, I can do this for your company sir, lets have a chat :) Best: Ali…

$500 USD in 7 gün içinde
(4 Değerlendirme)
5.3
NEHABHAT92

Hi, i can create I am an experienced Android and ios developer and equipped with all the necessary skills to provide you best website that completely satisfies your business needs. Please share your requirements w Daha Fazla

$500 USD in 7 gün içinde
(31 Değerlendirme)
5.3
anouphimmasy

Hi sir, Your project description is very interesting. As a senior developer I promise you nice service. I will wait your response and I hope long term relationship with you. Thanks, regards..

$600 USD in 4 gün içinde
(6 Değerlendirme)
4.7
beckondelveinfo

Hi, Most importantly I have gone through your proposal from top to the end and would like to come up with my experience based on iPhone Technology and the applications I have been developed and launched so far. Ver Daha Fazla

$700 USD in 20 gün içinde
(5 Değerlendirme)
4.9
(26 Değerlendirme)
3.5
salina5

Hello Client, I’ve checked the requirements and have done SIMILAR jobs in the past. Pls conta me here for the DEMO ASAP. Thank You.

$500 USD in 7 gün içinde
(0 Değerlendirme)
0.0