SIP User's Manual 234 Document #: LTRT-83310
Mediant 600 & Mediant 1000
18.1.3 Configuring Trunk Settings
The Trunk Settings page allows you to configure the device's trunks. This includes
selecting the PSTN protocol and configuring related parameters.
Some parameters can be configured when the trunk is in service, while others require you
to take the trunk out of service (by clicking the Stop button). Once you have
"stopped" a trunk, all calls are dropped and no new calls can be made on that trunk.
You can also deactivate a trunk (by clicking the Deactivate button) for
maintenance. Deactivation temporarily disconnects (logically) the trunk from the PSTN
network. Upon trunk deactivation, the device generates an AIS alarm on that trunk to the
far-end (as a result, an RAI alarm signal may be received by the device). A subsequent
trunk activation (by clicking the Activate button), reconnects the trunk to the
PSTN network and clears the AIS alarm. Trunk deactivation is typically used for
maintenance such as checking the trunk's physical integrity.
For a description of the trunk parameters, see 'PSTN Parameters' on page 682.
Notes:
• During trunk deactivation, trunk configuration cannot be performed.
• A stopped trunk cannot also be activated and a trunk cannot be
deactivated if it has been stopped.
To configure the trunks:
1. Open the Trunk Settings page (Configuration tab > VoIP menu > PSTN submenu >
Trunk Settings).
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