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Upgrade Guide > Post Upgrade Steps > ICE Georedundant Server 3.5 to 3.6.5 Post-Upgrade > F. Update PBX information
F. Update PBX information
If you are using Telephony and a PBX, then use the following procedure to ensure your PBX connection functions correctly after upgrading.
To update PBX Information
1. Navigate to the Setting > Telephony > PBX tab and click the Edit button.
2. In Hostname or IP Address and in Port, enter the IP/FQDN of the CUCM and its port number. A screenshot of a computer Description automatically generated
3. Click the Update button.