11-09-2021 09:53 PM
hi, need to know if we need to open UDP 16384 – 32767 from IP phones subnets betwwen different clusters since these subnets are different from CUCM or no need jut we will open below ports on CUCM subnets on both cluster
office 1
permit: TCP 1720; TCP/UDP 5060, 5061; UDP 16384 – 32767
source: CUCM subnet
destination: office 2 CUCM subnet
From office 2
permit: TCP 1720; TCP/UDP 5060, 5061; UDP 16384 – 32767
source: CUCM subnet
destination: office 1 CUCM subnet
thanks in advance
11-10-2021 01:27 AM
Hi,
Not sure what version of CUCM you are running as you haven't mentioned it, but here are the list of TCP / UDP ports for version 12.5X
The TCP / UDP ports are something you'll need to factor in IF you have a Firewall in the path between the two offices.
11-10-2021 04:20 AM
As @Scott Leport mentioned, Cisco release TCP and UDP Port Usage Guide for Cisco Unified Communications Manager versions. Refer the Guide related to your CUCM version.
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