Version 7.2 733 Mediant 1000B Gateway & E-SBC
User's Manual 42. Channel Maintenance
42 Channel Maintenance
This chapter describes various channel-related maintenance procedures.
42.1 Resetting an Analog Channel
You can reset an analog (FXO or FXS) channel by disconnecting the current call (if exists).
This is sometimes useful, for example, when the device (FXO) is connected to a PBX and
communication between the two cannot be disconnected (e.g., when using reverse
polarity).
 To reset an analog channel through the Web interface:
1. Open the Monitor home page (Monitor menu > ).
2. Click the required FXS or FXO port icon; a shortcut menu appears:
Figure 42-1: Resetting Analog Channel
3. From the shortcut menu, choose Reset Channel; a message appears informing you
when the channel has reset.
42.2 Restarting a B-Channel
You can restart a specific B-channel belonging to an ISDN or CAS trunk, using the SNMP
MIB variable, acTrunkISDNCommonRestartBChannel. This may be useful, for example, for
troubleshooting specific voice channels.
Note:
• If a voice call is currently in progress on the B-channel, it is disconnected when the
B-channel is restarted.
• B-channel restart can only be done if the D-channel of the trunk to which it
belongs is synchronized (Layer 2).
• B-channel restart does not affect the B-channel's configuration.
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