We are looking for a mobile Voip software for mobile phones of symbian, windows mobile. The feature should include:
1. Fully featured SIP client
2. Support multiple codec Voice (G711 ,G723 ,G729 ) for sending audio stream.
3. Must support DTMF dialing during a call.
4. Send & receive SMS using our supplied API
5. This software will run on the mobile phone having Symbian or Windows Mobile 5 and 6 having internet via GPRS/EDGE/Wi-Fi/3G/HSPA.
6. Instant Messaging (integration with msn contacts, yahoo contacts, skype)
Exapmle - you can follow Fring, Yeigo, Nimbuzz etc.
Experience in developed similar product with a demo or sample reference preferred.
All source code and documentation must include.