tdm
This command configures various TDM clock synchronization and bus.
Syntax
(config-voip)# media tdm (media-tdm)#
Command |
Description |
---|---|
TDMBusClockSource {internal|network} |
Defines the clock source on which the device synchronizes. |
idle-abcd-pattern |
Defines ABCD (CAS) pattern applied on signaling bus before it is changed. |
idle-pcm-pattern |
Defines the PCM pattern applied to the E1/T1 timeslot (B-channel) when the channel is closed and during silence periods when Silence Compression is used. |
pcm-law-select {alaw|automatic|mulaw} |
Defines the type of PCM companding law in the input/output TDM bus. |
pstn-bus-auto-clock {off|on} |
Enables the PSTN Trunk Auto-Fallback feature. |
pstn-bus-auto-clock-reverting {off|on} |
Enables the PSTN Trunk Auto-Fallback Reverting feature. |
tdm-bus-auto-fallback {holdover| internal} |
Defines the fallback clock (when auto clock on). |
tdm-bus-local-reference <Trunk ID> |
Defines the Trunk ID for the clock synchronization source of the device. |
Command Mode
Privileged User
Example
This example defines the clock source as internal and uses Trunk Group ID 1:
(config-voip)# media tdm (media-tdm)# TDMBusClockSource internal (media-tdm)# tdm-bus-local-reference 1 (media-tdm)# activate