Sip-to-GSM gateway for Android - repost

Closed

Description

Need application for Android which use WiFi network to terminate call to or originate from GSM network to SIP.

Related existing project is like chan_datacard module for Asterisk which use AT commands for establish and terminate GSM calls. Application should have option to use outbound proxy server or VPN for ability working in networks with restricted or closed Sip ports.

Skills: Android, Mobile Phone, VoIP

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Project ID: #4080225

12 freelancers are bidding on average $1021 for this job

captek

Hi, We are voip solution provider and have earlier setup various server for voip call, fax, ivr, sms etc. We have earlier developed sip dialer for all smartphones with various featurs. Please check your PMB for further More

$2000 USD in 20 days
(4 Reviews)
6.5
shabdullah88

Dear sir After reading your project details,we are interested in this project and would like to bid on this project. we take care of our every client personally and has always long term relationship.we will do as many More

$1250 USD in 20 days
(4 Reviews)
5.4
kruraval888

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

$250 USD in 5 days
(9 Reviews)
3.9
bkshukla1

Please check your PMB.

$700 USD in 20 days
(5 Reviews)
3.5
codeware1

Hello Sir, Hope you are well and doing good!!! we are eager to work with you.We are ready to start the project right away. Codeware is a website development company providing professional website design, website develo More

$1250 USD in 10 days
(3 Reviews)
2.9
iMuttaguru

It would be Great to work with you. Please see PMB for further details. Thanks.

$699 USD in 13 days
(2 Reviews)
1.6
itglobalservice

An ISO 9001:2006 certified company, We can fulfill your requirement because we are professional worker, we work for our client satisfaction. for more detail please check private message board. Thanks.

$250 USD in 6 days
(4 Reviews)
0.0
Juliet1988

Hello, We offer high quality work at most affordable rates. I must say you have reached the right person and the right team. This is an easy job for us. Please see PMB for our expert samples and details.

$900 USD in 30 days
(0 Reviews)
0.0
poojaup555

We have expereince team in your project andd we can complete your project as you describe. Please dont forget to check your private messages. Thanks

$250 USD in 4 days
(2 Reviews)
0.0
fahadmanzoor

Please refer to PMB for detailed proposition.

$2000 USD in 25 days
(0 Reviews)
0.0
eaglepho

Eagle Infotek offers a full suite of unique & customized Android as well as iOS mobile Apps, developed to the most stringent technical standards. check pmb for further

$700 USD in 30 days
(0 Reviews)
0.0
anthole

let me do it and more detail

$750 USD in 1 day
(3 Reviews)
0.0
ArminIT

Hi I'm proficient in mobile and VoIP programming. let me handle your project.

$2500 USD in 30 days
(0 Reviews)
0.0