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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

Skills: Android, iPhone, Mobile App Development

See more: gsm bridge, sip gsm android, android sip gsm bridge, sip gsm bridge, sip gsm network, android sip gsm proxy, proxy sip gsm android, android sip gsm, android bridge gsm sip call, android asterisk bridge, android sip bridge, android gsm sip bridge, sip bridge, network flow example, network flow, must have android apps, flow network, android version 4.2.2, android version 4.1.2, android version 4.0.4

About the Employer:
( 0 reviews ) Central District, Hong Kong

Project ID: #3983764

10 freelancers are bidding on average $3345 for this job

qitsol

Please see our mobile profile.

$2000 USD in 20 days
(59 Reviews)
8.1
fawadnsrsl

Hi, We are a team of professionals from Toronto and have placed a bid of 2500$ on this project. Please do see our related work there. We try to provide best possible work with a very competitive price. Please d More

$2500 USD in 30 days
(11 Reviews)
5.9
iphoneexperts

Hello Sir , ##################### Plz check your PMB ######################### Thanks

$700 USD in 22 days
(17 Reviews)
5.6
kruraval888

Hey , Thanks for posting. gone through with the requirement and we understood. check your private message board for detail proposal. Thanks

$250 USD in 5 days
(9 Reviews)
3.8
cognitivlabs

We are experienced and highly skilled in mobile app development. We have a dedicated team of developers and can provide you the best results. Please see PMB for detailed BID. Thanks and regards, Jawad Ashraf

$3000 USD in 40 days
(1 Review)
3.4
Appication79

We are andriod apps developers and have been developed large scale andriod applications so would like to win this project, please check private message for examples and take your decision. Thanks

$5000 USD in 60 days
(2 Reviews)
1.6
MpmE947QL

Custom software development: w w w . The Administrator removed this message for containing contact details which breaches our Terms of Service . i o

$750 USD in 1 day
(0 Reviews)
0.0
templatemag

Please check your PM inbox.

$7000 USD in 21 days
(0 Reviews)
0.0
jokyll

we will provide you complete Solution as per your need. For more detail please check our message where you can find our previous work too

$250 USD in 4 days
(0 Reviews)
0.0
artvister

We are professional team, we already did implement such kind of projects.

$12000 USD in 90 days
(0 Reviews)
0.0