Needed Developers , Sip Softphone , Symbian and Webdialer

Dears ,

We are looking to have Webdialer Flash based , Sip Softphone , with possible Encryption solution embeded So that can work from Blocked areas .

Required features:

1. Based on SIP.

2. Should support Voice and SMS.

3. Codec [url removed, login to view], [url removed, login to view] with silence supresseion.

4. Balance inquiry, real time balance display.

5. DTMF support.

6. Traverse NAT/Firewall/Blocked network through Encryption (VPN or Tunneling or P2P...any)

7. SoftPhones to communicate with one encryption server for both media and signaling.

8. Encryption Server will decrypt the encrypted traffic and use SIP for signaling and RTP for Voice.

9. The whole system should work with standard softswitch.

10. Registration of softphone clients through the encryption server in the softswitch.

More detail will be provided at start of contract



Skills: C++ Programming, VoIP

See more: vpn programming, system developers needed, standard programming, contract work programming, voip firewall, g voice, g network, programming contract work, voip vpn, voip support, voip rtp, tunneling, softswitch, softphone, sip softphone, sip server, rtp, inquiry, flash sms, embeded system, cplusplus, contract programming, symbian flash, softswitch voip, traverse

About the Employer:
( 4 reviews ) 87000 FT Labuan, Kuwait

Project ID: #748349

7 freelancers are bidding on average $2800 for this job


intersted to work on this project, check pmb

$2000 USD in 10 days
(9 Reviews)

I have vast experience in the technology your looking for. I have similar application almost ready. I think your budget is slight lower, We can make a deal... Let me know if there is any chance for increase in budget More

$1500 USD in 25 days
(4 Reviews)

Hi , Please check PMB. Thanks

$3000 USD in 30 days
(0 Reviews)

Hello Sir, Please see your private message box. Thank You

$4000 USD in 10 days
(0 Reviews)

check inbox for demo link of our previous developed sip softphone

$2000 USD in 1 day
(1 Review)

Hi, i have been working in well renounced VOIP company and i have sip softphone dialer. it working smoothly and i need to customize with your information. provide a chance to serve you. Looking positive respon More

$2100 USD in 30 days
(0 Reviews)

Android and iPhone/iPad dialers are ready. check screen shots.

$5000 USD in 0 days
(0 Reviews)