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Command Reference
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Cisco IOS Release 12.0(7)T
Voice Activity Detection is disabled
Ringing Time Out is 180 s
Wait Release Time Out is 30 s
Nominal Playout Delay is 80 milliseconds
Maximum Playout Delay is 160 milliseconds
Analog Info Follows:
Region Tone is set for northamerica
Currently processing Voice
Maintenance Mode Set to None (not in mtc mode)
Number of signaling protocol errors are 0
Impedance is set to 600r Ohm
Analog interface A-D gain offset = -3 dB
Analog interface D-A gain offset = -3 dB
Voice card specific Info Follows:
Signal Type is loopStart
Ring Frequency is 20 Hz
Hook Status is On Hook
Ring Active Status is inactive
Ring Ground Status is inactive
Tip Ground Status is active
Digit Duration Timing is set to 100 ms
InterDigit Duration Timing is set to 100 ms
Ring Cadence are [20 40] * 100 msec
InterDigit Pulse Duration Timing is set to 500 ms
The following is sample output from the show voice port summary command for all voice ports on
a Cisco MC3810 with an analog voice module (AVM):
router# show voice port summary
IN OUT ECHO
PORT SIG-TYPE ADMIN OPER IN-STATUS OUT-STATUS CODEC VAD GAIN ATTN CANCEL
1/1 fxs-ls up up on-hook idle 729a n 0 0 y
1/2 fxs-ls up up on-hook idle 729a n 0 0 y
1/3 e&m-wnk up up idle idle 729a n 0 0 y
1/4 e&m-wnk up up idle idle 729a n 0 0 y
1/5 fxo-ls up up idle on-hook 729a n 0 0 y
1/6 fxo-ls up up idle on-hook 729a n 0 0 y
Table 2 explains the fields in the sample output.
Table 2 show voice port Field Descriptions
Field Description
Administrative State Administrative state of the voice port.
Alias User-supplied alias for this voice port.
Analog interface A-D gain offset Offset of the gain for analog-to-digital conversion.
Analog interface D-A gain offset Offset of the gain for digital-to-analog conversion.
Clear Wait Duration Timing Time of inactive seizure signal to declare call cleared.
Coder Type Voice compression mode used.
Companding Type Companding standard used to convert between analog and digital signals in
PCM systems.
Connection Mode Connection mode of the interface.
Connection Number Full E.164 telephone number used to establish a connection with the trunk or
PLAR mode.