CUCM Critical Patch

There is a critical bug in versions 5.0.x, 5.1.x, 6.0.x, and 6.1.x that will crash the Call Manager and CTI Manager services on the CUCM server after 248 consecutive days of uptime. For full information including patches and workarounds; read the Cisco Field Notice at the following URL: https://www.cisco.com/en/US/ts/fn/631/fn63174.html