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Chapter 8
Configuring Survivable Remote Site Telephony
Task
Step 9
(Optional) Configure trunk access codes for
each type of line—Basic Rate Interface (BRI),
E&M, Foreign Exchange Office (FXO), and
Primary Rate Interface (PRI)—so that the
Cisco IP Phones can access the trunk lines
during Cisco CallManager fallback mode when
the SRST feature is enabled.
Step 10
(Optional) Configure the telephone number that
is speed-dialed when the message button on a
Cisco IP Phone is pressed.
Step 11
Exit Cisco CallManager fallback configuration
mode.
Step 12
Exit global configuration mode.
Note
Verifying Survivable Remote Site Telephony
Step 1
Step 2
Step 3
OL-2031-02
In Cisco CallManager fallback mode, huntstop is set by default. (Huntstop
disables all further dial-peer hunting for the dial peers associated with the Cisco
IP Phone lines if a call fails using hunt groups.) Use the no huntstop command
only if you want to disable huntstop.
To verify that the SRST feature is enabled, follow these steps:
Enter the show run command to verify the configuration.
Enter the show call-manager-fallback all command to verify that the SRST
feature is enabled.
Verify that the default Catalyst 4224 IP address on the Cisco IP Phone is the same
as the IP address of the SRST Catalyst 4224. Use the settings display on a
Cisco IP Phone to do so.
Catalyst 4224 Access Gateway Switch Software Configuration Guide
Verifying Survivable Remote Site Telephony
Command
C4224(config-cm-fallback)# access-
code {bri | e&m |fxo | pri}
C4224(config-cm-fallback)# voicemail
phone-number
C4224(config-cm-fallback)# exit
C4224(config)# exit
8-9
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Table of Contents
Troubleshooting
