Goodmorning, i have a voice gateway ISR 4331 with a card NIM-2BRI-NT/TE. This is a SRST voice gateway used for cripted survival of 8851 SIP phones. Voice gateway is connected with a BRI to a Siemens Hpa 4k.  When the phone is registered non crypted o...

Good morning, Unify third party SIP phone Openstage 15 SIP registered on CUCM 12.5 doesn't subscribe. CUCM reject the request with code 403 Forbidden and the message "Dialog package not licensed". Is there a way to make the CUCM accept the subscripti...

Good morning, I bought the Cisco ISR 4331 UC Bundle PVDM4-32 UC Lic Cubee10, I kindly wanted to know if with the licenses included in the package it is possible to establish SIPS encrypted connections with TLS from the VG ISR 4331. Thank you.

Good morning, I bought a Cisco ISR 4331 voice gateway and FLEX Endpoints SRST licenses type A-FLEX-SRST-E. Are these licenses already installed on the voice gateway or do they need to be activated?If they need to be activated, how can i activate them...

Good morning,we have 2 server BE7M-M4-K9 model UCSC-C240-M4S2 where running Vmware-ESXi-6.5.0-4564106-Custom-Cisco-6.5.0.2. VMs of the CUCM 12.0.1 cluster are powered on in these 2 virtual environments. We need to apply security patches on these esxi...