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ccm group modification

dear sir,

just wish to confirm, if i modify the highest priority servers in the ccm group, do i need to reboot/reload all the ip telephony devices for examples:-all servers in the call manager cluster,ipip gateway / pstn gateway/ analogue gateway devices that connected to the call manager cluster?

Hereby attached the screenshot that showing the call manager group 1, So as shown in the screenshot, if i assign as below :-

cm_165.204.184.1 (subscriber)- highest priority in the selected cisco callmanagers

penang-ccm2 (subscriber) - 2nd highest priority in the selected cisco callmanagers

penang-ccm4(publisher) - 3rd highest priority in the selected cisco callmanagers

if i modify as per mentioned above,

Do i need to reboot/reload all the ip telephony devices --> all ccms servers, publisher, subscribers , ipip gateway, pstn gateway, analogue gateway?

Please advise and appreciation a lots.

thanks.

-regards-

1 REPLY
Hall of Fame Super Red

Re: ccm group modification

Hi Charles,

You probably want to work on Callmanager Groups during a maintenance window due to the fact that all phones associated to a Group will need to be reset for the changes to take place.

1. You can safely remove a Callmanager server or change the order of the servers (as noted, probably best during a slow time).

2. In this example the Callmanager Group is called CMGroup1. The order of the servers is;

1.CM2 (Sub) Phones Registered

2.CM3 (Sub)

3.CM1 (Pub)

**Change order of CMGroup1 to;

1.CM3 (Sub)

2.CM2 (Sub)

3.CM1 (Pub)

Update/Reset and associated phones will register with CM3, which is now first in the selection order.

Have a look at the following;

Updating a Cisco CallManager Group

This section describes how to update an existing Cisco CallManager group.

Procedure

--------------------------------------------------------------------------------

Step 1 Find the Cisco CallManager group

Step 2 Click the Cisco CallManager group that you want to update.

Step 3 Update the appropriate settings

Step 4 Click Update to save the changes in the database.

You must reset the devices that use the updated Cisco CallManager group to apply the changes. To reset all the devices that use this Cisco CallManager group, click Reset Devices.

--------------------------------------------------------------------------------

Tip For your convenience in resetting devices, the Reset Devices button resets all devices in the device pool that uses this Cisco CallManager group.

***Caution Resetting devices can cause calls in progress to drop.

From this good doc;

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00803ed653.html#wp1028530

Hope this helps!

Rob

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