Cisco 2650 - 2650 Router Specifications download pdf (Page 170)

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Cisco IOS Telephony Service, Version 2.02

Chapter 5 Command Reference

loopback-dn (ephone-dn)

To create a virtual loopback voice port (loopback-dn) to establish a demarcation point for VoIP calls and

supplementary services, use the loopback-dn command in ephone-dn configuration mode. To delete a

loopback-dn configuration, use the no form of this command.

loopback-dn dn-tag [forward number-of-digits] [prefix prefix-digit-string] [suffix

suffix-digit-string] [retry seconds] [auto-con]

no loopback-dn

Syntax Description

Defaults All calls are set to forward all digits and not to strip any digits.

Prefix is not defined.

Suffix is not defined.

Retry is disabled.

Automatic connection is disabled.

Command Modes Ephone-dn configuration

dn-tag Unique sequence number that identifies the ephone-dn that is being paired

for loopback with the ephone-dn that is currently being configured. The

paired ephone-dn must be one that is already defined in the system.

forward

number-of-digits

(Optional) Number of digits in the original called number to forward to the

other ephone-dn in the loopback-dn pair. Range is from 1 to 32 digits.

Default is to forward all digits.

prefix

prefix-digit-string

(Optional) Defines a string of digits to add in front of the forwarded called

number. Maximum number of digits in the string is 32. Default is that no

prefix is defined.

suffix suffix-digit-string (Optional) Defines a string of digits to add to the end of the forwarded called

number. Maximum number of digits in the string is 32. Default is that no

suffix is defined. If you add a suffix that starts with the pound character (#),

the string must be enclosed in quotation marks.

retry seconds (Optional) Number of seconds to wait before retrying the loopback target

when it is busy or unavailable. Range is from 0 to 32767. Default is that retry

is disabled and appropriate call-progress tones are passed to the call

originator.

auto-con (Optional) Immediately connects the call and provides in-band alerting

while waiting for the far-end destination to answer. Default is that automatic

connection is disabled.

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Cisco 2650 - 2650 Router Specifications Page 170