Content
Mediant 800 Gateway & E-SBC | User's Manual
Calls Termination by PBX 733
Call Termination before Call Establishment 734
Ring Detection Timeout 734
Remote PBX Extension between FXO and FXS Devices 734
Dialing from Remote Extension (Phone at FXS) 735
Dialing from PBX Line or PSTN 735
Message Waiting Indication for Remote Extensions 736
Call Waiting for Remote Extensions 736
FXS Gateway Configuration 737
FXO Gateway Configuration 737
Part VI 739
Session Border Controller Application 739
30 SBC Overview 740
Feature List 740
B2BUA and Stateful Proxy Operating Modes 741
Call Processing of SIP Dialog Requests 743
User Registration 746
Initial Registration Request Processing 746
Classification and Routing of Registered Users 747
General Registration Request Processing 748
Registration Refreshes 749
Registration Restriction Control 749
Deleting Registered Users 749
Media Handling 750
Media Anchoring 751
Direct Media 751
Restricting Audio Coders 753
Coder Transcoding 754
Transcoding Mode 757
Prioritizing Coder List in SDP Offer 757
SRTP-RTP and SRTP-SRTP Transcoding 758
Multiple RTP Media Streams per Call Session 758
Interworking Miscellaneous Media Handling 759
Interworking DTMF Methods 759
Interworking RTP Redundancy 759
Interworking RTP-RTCP Multiplexing 759
Interworking RTCP Attribute in SDP 760
Interworking Crypto Lifetime Field 760
Interworking Media Security Protocols 760
Interworking ICE Lite for NAT Traversal 760
Fax Negotiation and Transcoding 760
Limiting SBC Call Duration 761
SBC Authentication 761
SIP Authentication Server Functionality 761
RADIUS-based User Authentication 762
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