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Android Apps SIP bridge to GSM Network

Hi,

I have a project to develop Android apps to bridge voice from SIP to GSM, below the requirement and flow

Requirement

1. Support all Android phone and all android version

2. SIP must support standard sip pbx or sip proxy. example Asterisk or VoipSwitch

3. Option to support SIP TLS

4. Support Wifi and 3G internet

apps

1. Android using SIP can register to SIP PBX or SIP proxy using Wifi or 3G

2. SIP PBX/Proxy send call to android phone and android phone will send call to GSM

flow

1. SIP PBX/Proxy ->(via internet Wifi or 3G) -> Android Phone -> GSM Network

Delivery

1. Deliver the source code and installation apps

Habilidades: Android, Mobile App Development

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Información del empleador:
( 0 comentarios ) London, United Kingdom

ID de proyecto: #4388719

12 los freelancers están ofertando un promedio de $3393 para este trabajo.

danchoe2011

Dear, please check your PMB. Thanks.

$3000 USD en 25 días
(25 comentarios)
7.0
nworks8uk

Hello There, We are very interested in this project if expectations from each other are right. We have: - 100% completion rate - Good reviews If you like to deal with someone like this, we will be genuinely h Más

$2472 USD en 20 días
(9 comentarios)
5.7
SICS

Hi, Please check private message. Regards.

$2575 USD en 35 días
(10 comentarios)
5.6
Indexpage

Hi, We have extensive work experience in iphone, android,ipad application design and development so, we can create this [url removed, login to view] more information see PMB-Thanks.

$5150 USD en 40 días
(2 comentarios)
5.1
kbest

Hi, we have a strong team of iOS and Android developers. We have released more than 60-ty apps and we would love to help with your project. Feel free to check PMB to see detailed information. Kind regards, DBBest Más

$2250 USD en 3 días
(3 comentarios)
4.3
softwarecolony

It's an easy task for [url removed, login to view] have gone through your requirements and we are ready to start the work immediately on your project. We will send you the complete list of company's projects and portfolio once you reply us b Más

$3088 USD en 42 días
(2 comentarios)
3.9
getveltrod

Hi, Veltrod Software services is a global software consulting company specialized in providing Mobile applications, Social media frameworks and eCommerce solutions. Leveraging best-in-class people, processes, and te Más

$2575 USD en 35 días
(3 comentarios)
3.7
tamrakar81

Hi, I have gone through your requirement and I am glad that We can accomplish this task, Please give us opportunity to work with you. Please check PM . Thanks, TTS Team

$2300 USD en 35 días
(2 comentarios)
2.5
krishcompusoft07

PLZ CHECK WE DONE SIMILAR ...WE HAVE DEDICATED TEAM FOR THIS WORK....

$5150 USD en 40 días
(0 comentarios)
0.0
istudiotechsl

Dear Client, We have already done SIP integration with existing application with Asterisk for a big call center company. We can do this project.

$7350 USD en 3 días
(0 comentarios)
0.0
rickymac124

hireme.... master in computer scienc

$1800 USD en 30 días
(0 comentarios)
0.0
knouraweb

Hi, We take pleasure to introduce ourselves as a team of experienced professionals in the fields of Mobile Application Development and Design. Currently, our expertise includes Android, Blackberry & iPhone plat Más

$2500 USD en 16 días
(0 comentarios)
0.0
fusioninformatic

Hi Good Morning, Hope you are doing well. We have review your proposal and we found that we can fit into your requirement. We have very strong expertise in building small to large scale web application. So fa Más

$3080 USD en 25 días
(1 comentario)
5.4