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Cisco IOS Telephony Service, Version 2.02
Chapter 3 Additional Configuration Tasks
Information About Additional Configuration Tasks
Configuring Caller ID Blocking
This task configures caller ID blocking for outbound calls from a Cisco IP phone.
SUMMARY STEPS
1. ephone-dn dn-tag
2. caller-id block
DETAILED STEPS
Step 3
Router(config-ephone-dn)# call-forward all
directory-number
Configures call-forwarding for all incoming calls on one of the
lines of a Cisco IP phone to another telephone.
Step 4
Router(config-ephone-dn)# call-forward
busy directory-number
Configures call-forwarding to another number when the
Cisco IP phone is busy.
Step 5
Router(config-ephone-dn)# call-forward
noan directory-number timeout seconds
Configures call-forwarding to another number when no answer is
received from the Cisco IP phone.
The timeout keyword sets the waiting time before the call is
forwarded to another phone. The time is set in seconds. The range
is from 3 to 60,000.
Note It is mandatory to specify and enter a timeout number in
seconds, otherwise an error message “incomplete
command” will appear on the console.
Command Purpose
Command Purpose
Step 1
Router(config)# ephone-dn dn-tag
Enters ephone-dn configuration mode and configures the
directory numbers for the Cisco IP phone lines. The maximum
directory number is platform dependent. For details, see the
“Memory Requirements” section on page 1-4.
Step 2
Router(config-ephone-dn)# caller-id block
Configures caller ID blocking for outbound calls originated
from the ephone-dn. This commands requests that the far-end
gateway device blocks display of the calling party information,
for calls received by the far-end gateway from the ephone-dn.
This configuration does not affect the ephone-dn calling party
information display for inbound calls received by the
ephone-dn.
By default, caller ID is not blocked on calls originating from the
Cisco IP phone.
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