Cisco MC3810-APM-FXO= Datasheet download pdf (Page 63)

Configuring Voice Ports

Verifying Analog and Digital Voice-Port Configurations

VC-97

Cisco IOS Voice, Video, and Fax Configuration Guide

Verifying Analog and Digital Voice-Port Configurations

After configuring the voice ports on your router, perform the following steps to verify proper operation:

Step 1 Pick up the handset of an attached telephony device and check for a dial tone.

Step 2 If you have dial tone, check for DTMF detection. If the dial tone stops when you dial a digit, then the

voice port is most likely configured properly.

Step 3 To identify port numbers of voice interfaces installed in your router, use the show voice port summary

command. For examples of the output, see the “show voice port summary Command Examples” section

on page 98.

Step 4 To verify voice-port parameter settings, use the show voice port command with the appropriate syntax

from Table 9. For sample output, see the “show voice port Command Examples” section on page 99.

Step 4

Router(config-voiceport)# loss-plan {plan1 | plan2 |

plan5 | plan6 | plan7 | plan8 | plan9}

(Cisco MC3810 multiservice concentrators FXO

or FXS analog voice ports only) Specifies the

analog-to-digital gain offset loss plan. For

definitions of each plan, see the Cisco IOS Voice,

Video, and Fax Command Reference. The default

is the plan1 keyword.

Step 5

Router(config-voiceport)# idle-voltage {high | low}

(Cisco MC3810 multiservice concentrators analog

FXS ports only) Specifies the talk-battery

(tip-to-ring) voltage condition when the port is

idle.

The keywords are as follows:

• high—Specifies that the voltage is high

(–48V).

• low—Specifies that the voltage is low (–24V)

and is the default.

Command Purpose

Table 9 Show Voice Port Command Syntax

Platform Voice Port Type Command Syntax

Cisco 1750 Analog show voice port [slot/port | summary]

Cisco 2600 series

Cisco 3600 series

Analog show voice port [slot/port | summary]

Digital show voice port [slot/port:ds0-group-no | summary]

Cisco MC3810 Analog show voice port [slot/port | summary]

Digital show voice port [slot:ds0-group-no | summary]

Cisco AS5300 Digital show voice-port controller:ds0-group-no

Cisco AS5800 Digital show voice-port {shelf/slot/port:ds0-group-no}

Cisco 7200 series Digital show voice port {slot/port-adapter:ds0-group-no}

Cisco 7500 series Digital show voice port {slot/port-adapter/slot:ds0-group-no}

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