Software Features:
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RFC1889 RTP: A Transport Protocol for Real-Time Applications
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ARP Address Resolution Protocol
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RFC2327 Session Description Protocol
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RFC2543 SIP: Session Initiation Protocol
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RFC2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
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RFC2880 Internet Fax T.30 Feature Mapping
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RFC2976 The SIP INFO Method
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RFC3261 SIP: Session Initiation Protocol
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RFC3262 Reliability of Provisional Responses in Session Initiation Protocol (SIP)
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RFC3263 Session Initiation Protocol (SIP): Locating SIP Servers
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RFC3264 An Offer/Answer Model with Session Description Protocol (SDP)
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RFC3265 Session Initiation Protocol (SIP)-Specific Event Notification
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RFC3311 The Session Initiation Protocol (SIP) UPDATE Method
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RFC3325 Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted
Networks
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RFC3362 Real-time Facsimile (T.38) – image/t38 MIME Sub-type Registration
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RFC3389 Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN)
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EFC3489 STUN - Simple Traversal of User Datagram Protocol (UDP)
Through
Network
Address
Translators
(NATs)
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RFC3428 Session Initiation Protocol (SIP) Extension for Instant Messaging
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RFC3515 The Session Initiation Protocol (SIP) Refer Method
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RFC3550 RTP: A Transport Protocol for Real-Time Applications
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RFC3581 An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
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RFC3665 Session Initiation Protocol (SIP) Basic Call Flow Examples
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RFC3824 Using E.164 numbers with the Session Initiation Protocol (SIP)
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RFC3841 Caller Preferences for the Session Initiation Protocol (SIP)
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RFC3842 A Message Summary and Message Waiting Indication Event Package for the
Session Initiation Protocol (SIP)
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RFC3891 The Session Initiation Protocol (SIP) "Replaces" Header
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RFC3892 The Session Initiation Protocol (SIP) Referred-By Mechanism
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RFC3960 Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP)
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RFC4028 Session Timers in the Session Initiation Protocol (SIP)
Voice
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SIPv2 (RFC3261) compliance
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SIP Proxy Redundancy: Dynamic via DNS SRV, A Records Re-registration with Primary SIP Proxy Server.
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Secure(Encrypted) Calling via Pre-Standard Implementation of Secure RTP.
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SIP Extension: Session Timer , Proxy-Require,
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MD5 Authentication for SIP
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SIP NAT Keep Alive Time
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Flash Hook Timer
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MWI- Message Waiting Indicator Tones
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VMWI- Via FSK
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Streaming Audio Server- UP to 10 Sessions
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Voice Compression: G.711 a/u-law , G.726, G.729A/B, G.723.1
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CNG and VAD
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Silence suppression & detection
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G.165/G.168 Echo Cancellation
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Adaptive jitter buffer
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Programmable gain control
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In-band DTMF
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Out-of-band DTMF relay: RFC2833/ SIP info
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DTMF, Pulse dial support
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Termination Impedance: 600/900& complex Impedance
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Failover SIP Proxy server registrations
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T.30 FAX pass through, T.38 real time FAX relay
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Caller ID: DTMF, FSK-Bellcore, FSK-ETSI detection and generation
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Telephone book
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Hot Line and Warm Line Calling
