Codian MCU Series Version 2.1(1.7) Release Notes
Copyright © Codian Ltd 2007 v1.1 Page 4
New serial command for resetting the admin password
A new reset_password command is available on the serial console across all MCU devices. When this command is
used without any parameters, it resets the system-created administrator account back to the user name admin
and no configured password. When the '-all' parameter is used, all user accounts are reset to have no password.
Gatekeeper neighboring
In situations where more than one gatekeeper is used, gatekeeper neighboring allows devices registered with
one gatekeeper to call devices registered to another.
When the built-in gatekeeper receives a request to resolve a number or ID to an IP address that is not currently
registered with it, it forwards that request to its neighbor gatekeeper(s). The built-in gatekeeper will then use
the information received from the neighbor(s) to reply to the original request.
You can optionally configure the built-in gatekeeper with up to two neighboring gatekeepers (in the web
interface, go to
Gatekeeper
). On the same page you can also configure the behavior of the built-in gatekeeper
on receipt of requests from another gatekeeper. It can:
forward requests regarding unknown numbers and IDs to its neighbor(s)
reply to requests from other gatekeepers
Gatekeeper neighboring has been tested with the following gatekeepers:
Tandberg Gatekeeper 5.1
Polycom Pathnav 7.0
Radvision ECS 4.1
GNU GK v2.2.5
Codian MCU v2.1(1) embedded gatekeeper
Emblaze Vcon MXM 4.51
H.323 Gatekeeper RAI - Resource Availability Indications
When using the MCU in a multi-device ad hoc conferencing environment, the MCUs need to be able to tell
the gatekeeper when they are "full" so
that it does not route new numbers via the registered prefix to those
devices. MCU v2.1 adds support for this RAI (resource availability indication) gatekeeper message, to allow
the MCU device(s) to indicate availability or unavailability based on configurable thresholds
The RAI feature involves the following extra configuration items:
Each MCU device must be explicitly enabled to generate RAI messages on an MCU-wide basis
An active conferences threshold can be configured: if this threshold is equaled or exceeded, the MCU's
RAI state will be "unavailable"
A video ports threshold can be configured: if this threshold is equaled or exceeded, the MCU's RAI state
will be "unavailable". Note that H.239 and streaming connections count towards this limit.
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