Technical data

About the Dialogic® Diva® SIPcontrol™ Software
Dialogic
®
Diva
®
SIPcontrol
TM
Software 1.8 Reference Guide page 10
• Called Party Number
• Calling Party Number
• Redirecting Number
• Call Routing
• Call Hold/Retrieve (e.g., Re-Invite mapping towards ISDN)
• PSTN-side Call Transfer (i.e., Refer points to PSTN)
• PSTN-side incoming Call Diversion
• Message Waiting Activation / Deactivation
• Support of REDIRECT (Moved Temporarily)
• SIP Session Timer (RFC 4028)
• Simplified Number Normalization based on PSTN connection parameters
• Number Manipulation using Regular Expressions
* NOTIFY in combination with SUBSCRIBE are used to provide the feature Message Waiting Activation /
Deactivation with regular SIP clients. However, in a gateway configuration applications are using the features
without the need for the Dialogic
®
Diva
®
SIPcontrol
TM
software to use SUBSCRIBE.
Media processing
• G.711 A-law and u-law,
G.729, iLBC, GSM-FR
• RTP dynamic payload audio/telephony event
• RTP profile RTP/AVP
• DTMF via RTP payload/telephony event (RFC 2833)
• PSTN-side fax tone detection via RTP event (RFC 2833)
• Echo Canceller with 128 ms echo tail used with RTP
• T.38 Fax up to V.34 (SuperG3 Fax)
Reliability
• Load balancing and failover on PSTN side
• Load balancing and failover on SIP side (optionally uses OPTIONS for keep-alive check)
• Alive check for active calls on SIP side via SIP session timer
Supported RFCs
• RFC2617 - HTTP Digest Authentication
• RFC2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
• RFC3261 - Session Initiation Protocol
• RFC3262 - Reliability of Provisional Responses in Session Initiation Protocol (SIP)
• RFC3264 - An Offer/Answer Model with Session Description Protocol
• RFC3265 - SIP-specific Event Notification
• RFC3389 - RTP Payload for Comfort Noise
• RFC3398 - ISDN to SIP mapping
• RFC3515 - REFER method
• RFC3550 - Realtime Transport Protocol (RTP)
• RFC3842 - Message Waiting Indication for SIP
• RFC3891 - SIP "Replaces" header