Symbian SIP Dialer

Hello, Need a symbian SIP Dialer with encryption for ANY SIP Server for VOIP Origination & IPPBX. We are looking for a mobile dialer(Full source code) SIP or H323 (SIP is preferred) which can run on Os: Symbian S60/Symbian UIQ3/iPhone/Java/Android/windows mobiles/Blackberry In fact for all possible and available models in the market. Supported services should be: 1) Voice 2) SMS 3) Video Calls 1) User friendly interface 2) Mobile Dialer should support SIP/H323 for signaling. 3) Mobile Dialer supports G729,G723.1 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/WiFi/3G and all other available OS and Phone models. 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. The dialer must be running from the application layer. The most important part is to add G729 and G723.1 codec in it. Second important part of this project is to add tunneling feature so call can placed even where VOIP protocol (SIP/H323) is blocked. If network is not present and user wants to use voip calls from provider then application will automatically dial access number of provider through GSM network to connect provider calling card or callback system. Control panel to set operator code with following options, Sip proxy Codec Selection Header/footer message Balance URL Support contact information • Native Contact Phonebook • Dial, Hang up, Redial • Call Mute • Speaker Phone • Call History: All, Recent, Dialed, Missed • DTMF: In band / Out band / SIP INFO • Account Setup • Brand able Client (changing some images) like themes • Codec Support G729, AMR • IVR number setting • Provider can set IVR extension . • Access number, if network not present • Encryption Integrated • Encryption supported for all blocked region • Work with all standard SIP servers • Supports all standard SIP supported switches based on RFC3261 • Remote end Dialer setting Panel Please Re-frain From Any Biding if you do not Qualify 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 Personal,And sign NDA with the company. Buyer Get all the rights of the Source code 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.