Voip Dialer Software for Mobile Phone.

OS: Symbian, Windows Mobile

1) User friendly interface
2) Mobile Dialer should support SIP/H323 for signalling.
3) Mobile Dialer supports G729, G723.1 and G.711 codec for sending audio stream
4) Mobile Dialer can run behind NAT or on private IP with VPN Tunneling embedded
5) This software will run on the phone having Symbian or Windows Mobile 5 and 6 having internet via GPRS/EDGE/Wi-Fi/ 3G ...
6) Mobile Dialer should be fully customizable.
7) Able to use Mobile Dialer with any kind of Softswitch,Voip Billing Platform which support SIP/H323.

How it should work and affiliated with the server and communicate pls see details below ?

Methods:

Register/Unregister::
Registers with a voip Gatekeeper/ Softswitch by VPN Tunnel Service,


Call:
(Sends an Invite)
Request to Establish a call with another SIP phone. or requests this to the sip server. Using codecs G723.1 and G729, (G711 and GSM Optional)

SendDTMF
Sends DTMF via RFC2833 or inband

Hold/Unhold
Sends Hold/unhold command

AnswerCall
Accepts and invite, and establishes a call.

RejectCall
Rejects and invite

Transfer
requests to refer the call to another sip address.

PlayWavFile
Plays a wav file to a remote user

StopWavfile
Stop the file being played

EVENTS

InviteIncoming
A call is coming in, someone invites us via SIP

InviteAnswered
An invite made by me has been accepted

Inviteringing
My outgoing call is ringing the remote party

DTMFReceived
a DTMF has been received

RegisterSuccess
Server accepted our registration

RemoteHold/unhold
Server accepted our hold/unhold command

ReceivesSound
We are detecting a stream of sound coming through the line.

PROPERTIES

ListOfcalls with Redialing
List of all currently open calls, each call must be an object wich handles/has all calls details.


Please Re-frain From Any Biding if you do not Qulify For VOIP Platform. Must provide Demo.Time is important so dont waste mine so yours. Must Fix all bugs Before Delivering the Entire Project,Train our Personnal,And sign NDA with the company.
Buyer Get all the rights of the Sourcecode and the software on TOP It should be Customizable.

Please Do not ask for any prepayment Until Project is been tested and checked with QA. Lowest bidder will win the project and can have
More information regarding.

*****please DO NOT Bid if you dont know what VOIP MOBILE DIALER IS**********

this is an not a new thing there are quite a few products in the market you might be useing one in your mobile some it not so tuff as it use to be !