Feature Overview
page 10
• Support for Early Media: Early Media is supported for calls from SIP to the PSTN. For calls from the PSTN to
SIP, it depends on the used line protocol.
• Configuration of Dialogic
®
Diva
®
Media Board parameters via the web interface
• Interoperability with the Dialogic
®
Host Media Processing (HMP) software
• Support for up to 64 ports per system for Dialogic
®
Diva
®
BRI and Analog Media Board installations
• Support for up to 240 ports per system for Dialogic
®
Diva
®
PRI Media Board installations
Call handling
• Support for TLS and SSL encryption and authentification
• Support for SRTP (secure Real-time Transport Protocol)
• Support for SIPS (Secure SIP)
• Support for RTCP
• SIP methods: ACK, BYE, INVITE, NOTIFY*, REFER, CANCEL, OPTIONS
• Configurable IP transport layer TCP, UDP, or TLS
• Basic call incl. numbering services:
• 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
• Support for the following codecs:
• G.711 A-law and u-law
• G.726 (16, 24, 32, and 40 kbps)
• G.729
• GSM-FR
• iLBC
Note:
For G.729, you need to purchase and activate a license before you can use it. See the Dialogic
®
4000
Media Gateway Quickstart Guide for more information.
Note:
iLBC is only available on Dialogic
®
Diva
®
V-2PRI and V-4PRI Media Boards.
• RTP dynamic payload audio/telephony event
• RTP profile RTP/AVP
• DTMF via RTP payload/telephony event (RFC 2833)
Содержание 4000 Media Gateway Series
Страница 1: ...www dialogic com Dialogic 4000 Media Gateway Series Reference Guide...
Страница 8: ...page 8...