I have a buddy that has a 2821 with a PRI in it. I don't have much information on it other then it is running 12.4(6)T2. His router hits 100 percent util on an ISDN process. I have searched and can not find out what that process does. I was hopeing someone might know what it is.
dcvgr01-dc01-sc02-ca#show proc cpu sort
CPU utilization for five seconds: 99%/4%; one minute: 85%; five minutes: 35%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
239 13271724 6424402 2065 82.51% 50.31% 18.75% 0 ISDN L2D SRQ