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Cisco IOS Telephony Service, Version 2.02
Chapter 5 Command Reference
mwi (ephone-dn)
mwi (ephone-dn)
To configure specific Cisco IP phone directory numbers to receive message waiting indication (MWI)
notification from an external voice-mail system, use the mwi command in ephone-dn configuration
mode. To disable this feature, use the no form of this command.
mwi {off | on | on-off}
no mwi {off | on | on-off}
Syntax Description
Defaults No default behavior or values.
Command Modes Ephone-dn configuration
Command History
Usage Guidelines The mwi command configures specific Cisco IP phone directory numbers to receive MWI notification
from an external voice-mail system. The notification is set for all the Cisco IP phones connected to the
Cisco IOS Telephony Service router. The external voice-mail systems are often able to communicate
MWI status by making telephone calls to dummy extension numbers, where the MWI information is
embedded in either the called or calling party IP phone number. This command cannot be configured
unless the number command is configured in ephone-dn configuration mode.
Examples The following example shows how to MWI indication to ON:
Router(config)# ephone-dn 1
Router(config-ephone-dn) number 8000
off Sets Cisco IP phone directory number to process MWI notification to OFF
setting using either the main or secondary phone number.
on Sets Cisco IP phone directory number to process MWI notification to ON
setting using either the main or secondary phone number.
on-off Sets Cisco IP phone directory number to process MWI notification to both
ON and OFF setting using the main or secondary phone number.
Release Modification
12.2(2)XT This command was introduced on the following platforms: Cisco 1750,
Cisco 1751, Cisco 2600 series, and Cisco 3600 series multiservice routers,
and Cisco IAD2420 series IADs.
12.2(8)T This command was integrated into Cisco IOS Release 12.2(8)T and
implemented on the Cisco 3725 and Cisco 3745 routers.
12.2(8)T1 This command was implemented on the Cisco 2600-XM and Cisco 2691
routers.
12.2(11)T This command was integrated into Cisco IOS Release 12.2(11)T and
implemented on the Cisco 1760 routers.
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