Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
A subset of the commands listed are voice-port commands. Different voice signaling types support
different voice-port commands. Table 2 lists the router voice-port commands and the signaling types
supported.
vad Enable VAD for the calls using this dial peer.
voice-port Enter the voice port configuration mode.
Table 1 Commands Used to Configure and Monitor VoIP
Command Description
Table 2 Router Voice-Port Commands and Signaling Types Supported
Voice-Port Command FXO FXS E&M
comfort-noise –––
connection –––
cptone X X X
description XXX
dial-type X – X
echo-cancel coverage –––
echo-cancel enable –––
impedance X X X
input gain X X X
music-threshold –––
non-linear –––
operation ––X
output attenuation X X X
ring frequency – X –
ring number X ––
shutdown XXX
signal XXX
snmp trap link-status –––
timeouts initial –––
timeouts interdigit –––
timing –––
timing keywords: –––
clear-wait ––X
delay-duration ––X
delay-start ––X
delay-with-integrity ––X
digit X X X
inter-digit X X X