Table 3.  Product Specifications 
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MGCP/NCS including configurable IPSec encryption 
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Configurable to support RFC2833 event signaling 
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Supports Bell103 detection: Improves alarm panel and Point of Sale (POS) interoperability 
by optimizing DSP for Bell103 protocol 
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Software upgradeable to support Session Initiation Protocol (SIP) 
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The following SIP standards are supported  
◦  RFC 2617 HTTP Authentication: Basic and Digest Access Authentication 
◦  RFC 2976 The SIP INFO Method 
◦  RFC 3261 SIP: Session Initiation Protocol 
◦  RFC 3262 Reliability of Provisional Responses in Session Initiation Protocol (SIP) 
◦  RFC 3263 Session Initiation Protocol (SIP): Locating SIP Servers 
◦  RFC 3264 An Offer/Answer Model with Session Description Protocol (SDP) 
◦  RFC 3265 Session Initiation Protocol (SIP)-Specific Event Notification 
◦  RFC 3420 Internet Media Type message/sipfrag 
◦  RFC 3428 Session Initiation Protocol (SIP) Extension for Instant Messaging 
◦  RFC 3515 The Session Initiation Protocol (SIP) Refer Method 
◦  RFC 3842 A Message Summary and Message Waiting Indication Event 
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Package for the Session Initiation Protocol (SIP) 
◦  RFC 3892 The Session Initiation Protocol (SIP) Referred-By Mechanism 
◦  RFC 3903 Session Initiation Protocol (SIP) Extension for Event State Publication 
◦  Draft-ietf-mmusic-sdp-new-24 SDP: Session Description Protocol (Replacement for RFC 
2327) 
◦  Draft-ietf-sipping-cc-transfer-01 Session Initiation Protocol Call Control – Transfer 
◦  Draft-ietf-sip-session-timer-08 The SIP Session Timer 
◦  Draft-ietf-sipping-realtimefax-01 SIP Support for Real-time Fax: Call Flow  
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Examples and Best Current Practices 
◦  Draft-ietf-mmusic-sdescription-09 Session Description Protocol Security 
◦  Descriptions for Media Streams 
◦  Draft-ietf-sip-replaces-02 The Session Initiation Protocol (SIP) "Replaces" Header