mobile dialer appliactions

This project received 63 bids from talented freelancers with an average bid price of $5964 USD.

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Project Budget
$3000 - $5000 USD
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Project Description

Project Description:
Dear Developers,
We are looking for a fully customized feature rich Mobile Soft phone (SIP) diallers developed specifically for iphone/ipad, Android/tablet and Desktop PC Windows and Mac platforms.
We will require the source code and all documentations for this project. For uploading to android store and itune as the developer.
We are looking to work with a company that has a ready-made telecom product/app which are proven and tested to work on commercially available class 4/5 soft switches.
Please Bid only if you have already developed a mobile dialler in the past, as we are not interested in any experimental projects.
Dialer requirements
The dialler should have all the standard features normally found in (viber,Tango,vippie etc).
If you have any new ideas or features regarding the dialler which will enhance the functionality we would really appreciate that and would like to discuss this with you.
Following features must be available on the dialler:
Making & Receiving VoIP Calls Over 3G,4G, WiFi, GPRS.
• Video calling
• Voice calling
• Messaging
• Filesharing
The dialer should also provide Vpn/tunnelling support for working in SIP/VoIP blocked countries.
Mobile Dialer should support SIP for signalling and should work with any standard SIP server.
Mobile Dialer supports G729, G723.1 and [url removed, login to view] codec for sending audio stream.
Mobile Dialer can run behind NAT or on private IP with VPN Tunnelling embedded.
1. Integrate with phonebook contacts
2. Dial, Hang up, Redial
3. Call Hold
4. Call Mute
5. Call Forwarding
6. Call Waiting
7. Speaker Phone
8. Keypad Display
9. Call History: All, Recent, Dialled, Missed
10. Account Setup
11. Work with all standard SIP servers
12. Supports all standard SIP supported switches
Please bid only if you have developed something similar and tested and to provide us details and the reference of your developed dialler:
Also required
Blackberry, Windows 7 Mobile and softswitch management and billing

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