SIP Mobile Dialer (iPhone, Android and PC) with VPN Tunneling support,work in sip block countries

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Bids
24
Avg Bid (USD)
$4935
Project Budget (USD)
$3000 - $5000

Project Description:
Dear Developers,
We are looking for a fully customized feature rich Mobile Softphone (SIP) dialer based on iphone, Android, and PC Windows platforms with VPN/tunneling support to work in countries where SIP or VOIP is blocked. We are looking for a company that has a ready-made product/app which is proven and tested.
We will require the source code and all documentations for this project.
Please Bid only if you have already developed a mobile dialer in the past as we are not interested in any experimental projects.
The dialer should have all the standard features normally found in a mobile dialer (example: viber,vonage,vippie etc).
If you have any new ideas or features regarding the dialer which will enhance the functionality we would really appreciate that and would like to discuss this with you.
Following features must be available in the dialer:
Making & Receiving VoIP Calls Over 3G, WiFi, GPRS.
-Video calling
-Voice calling
-Messaging
-Filesharing
The dialer should also provide Vpn/tunneling support for working in SIP/Voip blocked countries.
Mobile Dialer should support SIP/H323 for signaling and should work with any standard SIP server.
Mobile Dialer supports G729, G723.1 and G.711 codec for sending audio stream.
Mobile Dialer can run behind NAT or on private IP with VPN Tunneling embedded.
Integrate with phonebook contacts
Dial, Hang up, Redial
Call Hold
Call Mute
Call Forwarding
Call Waiting
Speaker Phone
Keypad Display
Call History: All, Recent, Dialed, Missed
Account Setup
Work with all standard SIP servers
Supports all standard SIP supported switches based on RFC3261
Please bid only if you have developed something similar and tested and to provide us details and the reference of your developed dialer.

Budget: $2,000 to $5,000 USD

Skills required:
Android, iPad, iPhone, Mobile Phone
Hire catchuptalk
Project posted by:
catchuptalk United Kingdom
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