Hi Experts.. We are planning on migrate our customer CUCM then Upgrade it to 12.5 using PCD.Our CUCM existing version is 10.5.2.13037-1Here is my questions :1. As seen from our CUCM version, we already did install the device pack  When migrating to t...

Hi All,Please help,I am integrating the router to SIP PSTN Provider and we have fax on fxs port in our ISR. we use T38 protocol as FAX and i already configured. The incoming FAX is working fine, but when we try to send it's cannot. on fax receiver sa...

Hi All, I cannot find any document about compatibility matrix with LDAP for CUCM 10.5. Is CUCM 10.5 compatible with Microsoft AD 2016?  Thanks,