Write an Android application -- 2

I would like to have a Mobile Voip App that would be compatible with all the mobile operating systems like Nokia, IPhone, Windows Mobile and Blackberry. The below features & specification has to be included :

- Dialer for phone sets from Nokia with Symbian OS of S60 2nd & 3rd Edition, Blackberry, IPhone (IOS), Windows 7 (mobile), Android and Facebook app.

- Supports SIP for signaling.

- Supports G729 and [url removed, login to view] (ulaw) Codec.

- Can run behind NAT / private IP.

- A tunneling system thru which the dialer can work in areas where SIP ports are blocked.

- Able to use the dialer with any kind of Soft switch which support SIP such as Asterisk, VoipSwitch and etc.

- Can support two stage billing so call timer will start from Invite Ring 200 OK

- Supports GPRS, WiFi,3G network and Bluetooth for internet connectivity.

- SIP protocol support

- Unlimited user license

- Customized with company logo/name

- Making and receiving calls

- Call timer

- Calling in background

- Display Balance

- Display Call history

- Display Credit Time

- Use of existing Phone address book

- Touch Tone

- Silence Suppression

- Echo Cancellation

- Registration Timeout

- Local signaling (Dial tone, busy, ring back, etc.)

- Redial

- Speaker

- Mute

Android Mobile App Development

Project ID: #8262629

About the project