SIP Client required for Ipad, Iphone, Android Client and windows PC.
Must have codec g729 and GSM.
Something similar to [url removed, login to view]
1. Users will not be able to configure the client.
2. Platform is Android OS phone, Android tablet, Apple Iphone, Apple Ipad and Desktop win32.
3. Audio codes g729, gsm
4. Work with all SIP servers
5. Should be able to support STUN
6. Connection over Wifi, 3G [url removed, login to view] local access
7. Native contact phonebook
8. Dial, hang up, redial automatically
9. Ad-hoc Group call
10. Call hold
11. Call mute
12. Speaker phone
13. Keypad display
14. Call history, all, recent, dialled, missed
15. Incoming call alert when on VoIP call
16. Brandable Client and Design logo
17. IVR number setting
18. Brand name
19. Copy right
20. Server settings to be inbuilt so on download and install just enter username and password
21. Delivery of project to include source code
22. Project to support bug fixes
Please contact for additional information