Good morning, everyone!I'm facing a communication issue between my voice gateway, the Cisco Unified Communications Manager (CUCM), and my telephony provider. I've managed to configure the system so that I can make calls to the PSTN network without an...

"I kindly request your assistance in resolving this incident that has been causing instability between two SIP trunks, one on CUCM 9.x and the other on CUCM 6.1x. The current issue is as follows: whenever an extension attempts to make a call via the ...

Can anyone help me configure an alcatel IP touch 4028 phone in call manager version 9,I've been trying for a while and I'm stuck with this error "no tftp response".

Hi All,Please help me to identify the problem I have a CME(extension - 60003), version 8.5 with sip trunk to CUCM(extension - 41001) version 9.1 not working perfectly.I had only one way working.I can make calls from CUCM(extension - 41001)to CME(exte...