CHAPTER55 Viewing PSTN Status
Mediant 1000 Gateway & E-SBC | User's Manual
Table 55-2: Description of Color-Coded Icons for Channel Status
Icon Color Label Description
Light blue Inactive Channel is configured, but currently has no calls
Green Active Call in progress (RTP traffic) and no alarms
Purple SS7 Channel is configured for SS7
Note: Currently, SS7 is not supported.
Gray Non Voice Channel is not configured
Blue ISDN
Signaling
Channel is configured as a D-channel
Yellow CAS Blocked -
Dark
Orange
Maintenance B-channel has been intentionally taken out of service
due to maintenance
Red Out Of
Service
B-channel is out of service
2. To view detailed information on a specific channel, click a channel icon; a page appears with
various tabs, displaying information. For more information on the page, see Viewing Port
Information.
3. To view configuration of a specific trunk, click a trunk icon, and then from the shortcut menu,
choose Port Settings; the Trunk Settings page opens, displaying the trunk's settings. For
more information on the page, see Configuring Trunk Settings.
Viewing NFAS Groups and D-Channel Status
You can view the status of the device's D-channels and NFAS groups, if configured. The status of
a D-channel and NFAS group can be "In Service" or "Out of Service" and the D-channel can be
"Primary" or "Backup".
You can also perform a switchover from active and to standby D-channel belonging to the same
NFAS group. This is done using the Switch Activity button. For more information, see Performing
Manual D-Channel Switchover in NFAS Group.
This page is applicable only to T1 ISDN protocols supporting NFAS, and only if the
NFAS group is configured with two D-channels.
➢ To view the status of the D-channels and NFAS groups:
â– Open the NFAS Group & D-Channel Status page (Monitor menu > Monitor tab > PSTN
Status folder > NFAS Group & D-Channel Status).
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