VOIP Sip DLL

Require a Non Microsoft RTC based SIP Phone with as many options of the following as possible Telephony Features ---------------------- Record Audio Mix Acoustic Echo Cancellation [AEC] Message Waiting Indicator Audio Tuning Wizard Touch-tones [RFC 2833, in-band, out of band & INFO DTMF] Automatic Gain Control Audio Concealment Adaptive Jitter Buffer Voice Activity Detection Microphone & Speaker Device Selector Advanced Codec Settings Call Forwarding URI/URL Voicemail URL 10 Party Conferencing [IP & PSTN] Speakerphone [Uses AEC] Auto-conference Dial/Redial/Hang up Flash Auto-answer Caller ID [SIP ID] Call Timer Silence Threshold Backspace/Clear/Delete Mute Microphone & Speakers Levels Microphone & Speakers Meters Sound Device Selection Direct IP to IP Calling Speed Dial Line Hold Line Transfer Do Not Disturb Inbound Call 'Ignore' Inbound Call 'Go to Voicemail' Narrowband Codec Selection G.711, iLBC, Speex, GSM, G.723.1, G.726, G.729a & EVRC Wideband Codec Selection Speex, L16, DV14, G.722.2 (AMR-WB) Video Settings ----------------- Record Video Detachable Sliding Drawer Point to Point [IP to IP] Via SIP Proxy Transfer Hold Privacy [Start/Stop Sending Video] Video Conferencing [At the endpoint] Codec Selection [Basic H.263,H.263+,H.263++CIF etc.] Image Size Settings Video Quality Settings Key-frame Transmission Rate Network related -------------- SIP TCP Support SIP UDP Support Multiple SIP Accounts [10+] Multiple 6 Lines NAT Traversal using STUN, ICE & Xtunnels (v1 & 2) Auto-Detect IP Address Manual IP Address Manual DNS Settings License Key Input Mechanism Message Waiting Indicator ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows