Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
ip udp checksum Calculate the UDP checksum for voice packets transmitted by the dial peer.
music-threshold Specify the threshold for on-hold music for a specified voice port.
non-linear Enable nonlinear processing in the echo canceller.
num-exp Define how to expand an extension number into a particular destination pattern.
operation Select a specific cabling scheme for E&M ports.
output attenuation Configure a specific output attenuation value.
port Associate a dial peer with a specific voice port.
prefix Specify the prefix of the dialed digits for this dial peer.
req-qos Specify the desired QoS to be used in reaching a specified dial peer.
ring frequency Specify the ring frequency for a specified FXS voice port.
ring number Specify the number of rings for a specified FXO voice port.
session protocol Establish a session protocol for calls between the local and remote routers .
session target Specify a network-specific address for a specified dial peer.
show call active voice Show the active call table.
show call history voice Display the call-history table.
show controllers voice Display information about voice related hardware.
show diag Display hardware information for the router.
show dial-peer voice Display configuration information for dial peers.
show dialplan incall number Pair different voice ports and telephone numbers together for troubleshooting.
show dialplan number Show which dial peer is reached when a particular telephone number is dialed.
show num-exp Show the number expansions configured.
show voice dsp Display current status of all DSP voice channels
show voice port Display configuration information about a specific voice port.
shutdown (dial-peer
configuration)
Change the administrative state of the selected dial peer from up to down.
shutdown (voice-port
configuration)
Take the voice ports for a specific VIC offline.
signal Specify the type of signaling for a voice port.
snmp enable peer-trap
poor-qov
Generate poor-quality-of-voice notification for applicable calls associated with VoIP dial
peers.
snmp-server enable traps Enable the router to send SNMP traps.
snmp trap link-status Enable SNMP trap messages to be generated when this voice port is brought up or down.
timeouts initial Configure the initial digit timeout value for a specified voice port.
timeouts interdigit Configure the interdigit timeout value for a specified voice port.
timing Specify timing parameters for a specified voice port.
type Specify the E&M interface type.
Table 1 Commands Used to Configure and Monitor VoIP
Command Description