User`s manual

MP-1xx/H.323 User’s Manual 5. Profiling & Operation
Version 4.2 Beta 39 June 2003
5 Profiling & Operation
Note 1: The MP-124 24-port, MP-108 8-port, MP-104 4-port and MP-102 2-port Media Gateways have
similar functionality except for the number of channels (the MP-124 and MP-102 support only
FXS), and all versions are referred to collectively in these release notes as the MP-1xx.
Note 2: MP-10x refers to MP-108 8-port, MP-104 4-port and MP-102 2-port Gateways.
Note 3: MP-1xx/FXS refers only to the MP-124/FXS, MP-108/FXS, MP-104/FXS and MP-102
/
FXS
Gateways.
Note 4: MP-10x/FXO refers only to MP-108/FXO and MP-104/FXO Gateways.
5.1 H.323 Profile
5.1.1 Supported H.323 Features
The MP-1xx Gateway implements RadVision™ H.323 version 4.0 protocol stack. In this version,
the Gateway features the following:
Gatekeeper:
" Can work without Gatekeeper (use internal phone table).
" Can register to known Gatekeeper.
" MP-1xx can function as an H.323 Gateway or it can imitate an H.323 terminal with multiple
aliases (e.g., up to eight for MP-108).
" Supports GK registration with prefixes
" Can use routed-mode calls.
" Can use direct-mode calls.
" Redundant Gatekeepers can be defined in ini file
" Fallback to internal routing table if no communication with GK
" "TimeToLive" parameter is supported. The MP-1xx Gateway sends Registration requests up
to "TimeToLive" expiration.
" IRR messages for KeepAlive are supported.
" Supporting mapping of destination (Alias) number in ACF message by Gatekeeper.
" Supporting RAI (Resource Available Indication) messages, informing gatekeeper that the
Gateway resources are below a threshold.
Call setup:
" Can use Normal Connect procedure.
" Can use Fast Connect procedure with or without opening immediately H.245 channel.
" Can use Tunneling.
" Can negotiate codec from a list of given codecs for Normal or Fast Connect procedures.
" Optional opening of H.245 channel when using Fast Connect.