Procedure 38
Replacing a defective Signaling Server:
1 Remove the defective Signaling Server.
a. Turn off the power to the defective unit.
b. Disconnect all cables from the unit, including the power cord.
c. Loosen the screws through the faceplate of the Signaling Server to
the rack-mount bracket, and slide the unit out of the rack.
WARNING
Before replacing a defective Signaling Server, back up
the IP Telephony node database files. Use the EDD
command in LD 43 or use Element Manager (refer to
“Backing up IP Telephony node configuration files” on
page 171).
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553-3001-212 Standard 3.00 August 2005
2 Install the new Signaling Server hardware. Refer to the procedures in
“Hardware installation” on page 37.
3 Transfer the IP Telephony node information to the new Signaling Server.
• If the defective Signaling Server was a Leader Signaling Server:
i. Install the Signaling Server software on the new Signaling
Server and configure it as a Leader Signaling Server. Refer to
the procedures in “Software installation and configuration” on
page 61.
Configure a temporary IP Telephony node, using the same
IP addresses as those for the old Signaling Server.
ii. Boot the new Signaling Server and access Element Manager.
iii. Choose Configuration > IP Telephony.
iv. Choose Node Summary.
v. Click Edit.
Note: The information that is being edited is the node
configuration that resides on the Call Server, not the Signaling
Server.
vi. Choose Signaling Servers, and choose the Signaling Server
being replaced.
vii. Enter the MAC address of the new Signaling Server in the
Management LAN (ELAN) MAC address field.
viii. Click Save and Transfer to transfer the node information to the
new Signaling Server.
ix. Reboot the new Leader Signaling Server.
• If the defective Signaling Server was a Follower Signaling Server:
i. Log in to Element Manager from the Leader Signaling Server.
ii. Choose Configuration > IP Telephony.
iii. Choose Node Summary.
iv. Click Edit.
v. Enter the MAC address of the new Signaling Server in the
Management LAN (ELAN) MAC address field.
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Signaling Server Installation and Configuration
vi. Click Save and Transfer to save the MAC address of the new
Follower Signaling Server in Element Manager on the
associated Leader Signaling Server.
vii. Install the Signaling Server software on the new Signaling
Server, and configure it as a Follower Signaling Server. Refer to
the procedures in “Software installation and configuration” on
page 61.
viii. Reboot the new Signaling Server and access Element Manager
again.
ix. Choose Configuration > IP Telephony.
x. Choose Node Summary.
xi. Click Edit.
xii. Click Save and Transfer to transfer the node information to the
new Signaling Server.
xiii. Reboot the new Follower Signaling Server.
• If you are replacing a stand-alone Signaling Server:
i. Install the Signaling Server software on the new Signaling
Server, and configure it as a stand-alone Signaling Server. Refer
to the procedures in “Software installation and configuration” on
page 61.
ii. Restore the NRS database using NRS Manager. Refer to
IP Peer Networking: Installation and Configuration
(553-3001-213) for instructions.
End of Procedure
