ABTO Software VoIP SIP SDK for Windows 4.7
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ABOUT ABTO Software VoIP SIP SDK for Windows
Quick facts about ABTO Software's VoIP SIP SDK for Windows: License Details No yearly/monthly fee No limitation for number of users, channels, or products Protocols Support SIP RTP SDP TCP/UDP STUN ICE Development Features ActiveX, COM, and plain dll files NAT (Network Address Translation) support Encryption on the basis of sRTP, DLS, and DTLS DTMF (Dual Tone Multi Frequency) support SIP Authentication Codecs management Basic samples (C#, C++, VB.NET, VB 6.0, and Delphi) Custom samples (multiple SIP accounts, IVR, presence, and voice mail) Log file on/off setting End User Features All versions of Windows OS, including Windows 8 Support of all kinds of Internet connections SIP Registrar support (compatibility with most of SIP servers including Asterisk) Works under firewall Multiple sip accounts registration Multiline support Multi-party voice conference Video call support IM interface Selecting of media input and output devices Custom ringtone support Configuration saving and loading Conversation Specific Features Calls operations: - Hold/Retrieve Call - Forward Call (Blind Call Transfer) - Transfer Call (Attended Transfer) Noise reduction (supression) - AGC (Auto gain controller) support - Adaptive silence detection - Adaptive jitter buffer Software volume control (including Mute Sound) Playing file into conversation Recording conversation into file Redirection of calls to other phone lines Available codecs: H.263 H.264 G.711 (ALaw, muLaw) G.726 (16k 24k 32k 40k) G.729A G.723 iLBC LPC-10 Speex (Narrow, Wide) L16 GSM