I"m having an issue where inbound calls rerouted back to PSTNT failling. Call flow:- ITSP—SIP—CUBE1—SIP—CUCM—CFWD All—SIP—CUBE1—ITSP. The PSTN calling Party receives a long pause, with no ring back, then receives a fast busy. Our ITSP indicated th...
CUCM and CUC are running 126.96.36.19900-26 as well. Attempting to install IM and Presence I receive the following error:
Receiving the following window:
Then the critical error
This is a new install and not an upgrade.
I'm unable to get the Corporate directory working on a Cisco 8851 phone. LDAP (system, directory, and authentication) are configured and am able to import LDAP users into CUCM.
The following entries are configured on the phone's Web GUI. DNS resolu...
I've been troubleshooting the same issue. The functionality broke unexpectedly.
Cisco Unity Connections 11.5
Local Bridgehead server Office 365
Voicemail messages are successfully delivered Office 365 users.
I've been running the 8851 phones. Having noticed the phones locking up intermittently. Phones are utilizing latest firmware; SipXX.11-7-1-17
My workaround has been resetting phones to clear memory on phones.
Cisco TAC could not provide a root cause of this issue.
The phone's Debug display had the following error:
A search for the error returns the following: ReasonForOutOfService=10 -- TCPtimedOut - The TCP connection to the ...