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Mobile Voip Dialer / SIP

I am looking for an experienced Mobile application developer who can develop Branded Mobile SIP Client for the Android Platforms 2.1 and higher ( Works both on Phones and Tablets ) , I OS ( works on iphone , ipad , ipod Touch ) , Blackberry OS 5 & above , Symbian with the below features .

1) User friendly interface

2 ) supports G729, G723.1 , G711 U & A codec , Make and receive Calls

3 ) Works behind NAT / Firewall or on private IP . Most Important

4 ) VPN Tunnel for Voip Blocked countries

5 ) Should be 4 G Ready , besides 3 G , Wifi , Wimax

6 ) Balance Display

7 ) 3 party Conference , Should be able to recive GSM call when on voip call .

8 ) Standard features , like mute , speaker , call Recording , Redial ,Phone Book (Synchronize with Phone Address Book) , Local signaling (Dial tone, busy, ring back, etc.) , Silence Suppression , Echo Cancellation , Registration Timeout , website URL , signup link

We will need full source code for further development .

Developers who have already worked on same project please bid . Do not over Bid , we have strict upper limit ,off course lower is better :) .

I am looking for an experienced Mobile application developer who can develop Branded Mobile SIP Client for the Android Platforms 2.1 and higher ( Works both on Phones and Tablets ) , I OS ( works on iphone , ipad , ipod Touch ) , Blackberry OS 5 & above , Symbian with the below features .

1) User friendly interface
2 ) supports G729, G711 U & A codec , Make and receive Calls
3 ) Works behind NAT / Firewall or on private IP . Most Important
4 ) VPN Tunnel for Voip Blocked countries
5 ) Should be 4 G Ready , besides 3 G , Wifi , Wimax
6 ) Balance Display
7 ) 3 party Conference , Should be able to revive GSM call when on voip call .
8 ) Standard features , like mute , speaker , call Recording , Redial ,Phone Book (Synchronize with Phone Address Book) , Local signaling (Dial tone, busy, ring back, etc.) , Silence Suppression , Echo Cancellation , Registration Timeout , website URL , signup link

We will prefer guys who already have developed same / or worked on csipsimple and can provide branding on existing source code

We will need full source code for further upgrades later

Developers who have already worked on same project please bid . DONOT OVER BID , we have strict upper limit of 800 $ ,off course lower is better :) .

Skills: Android, Blackberry, iPhone, Mobile App Development, Symbian

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About the Employer:
( 1 review ) ludhiana, India

Project ID: #2454871

5 freelancers are bidding on average $2080 for this job

qitsol

Please see our portfolio.

$3000 USD in 30 days
(15 Reviews)
6.6
krishdts

Hello ,we have gone through your project named Mobile Voip Dialer / SIP and we like to convey that we have already done similar kind of projects before also. We can address any concerns that you might have in regar More

$1200 USD in 25 days
(8 Reviews)
6.3
hireafreeelancer

Hi... We are creative and innovative freelancer and we believe in hard work and passionate people who love what they do. We as a company make sure that we are able to make your project as well you need in span More

$2000 USD in 26 days
(23 Reviews)
6.2
mobidev99

pls see the pmb. thanks

$2500 USD in 25 days
(0 Reviews)
0.0
parker87tinh

hi sir! i have already done this [url removed, login to view] plz contact [url removed, login to view] you.

$2200 USD in 27 days
(1 Review)
0.0
beandesinfotech

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.

$1500 USD in 30 days
(1 Review)
0.0
gracesofttech

please check you private message.

$2000 USD in 45 days
(0 Reviews)
0.0