03-20-2014 01:59 AM - edited 03-16-2019 10:11 PM
CUCM: 8.6.2.21900-5
Call Manager page shows PRI as unregistered, however on gateway ISDN status is Multiple Frame Established
ISDN Serial0/0/1:23 interface
dsl 1, interface ISDN Switchtype = primary-qsig
**** Slave side configuration ****
L2 Protocol = Q.921 0x0000 L3 Protocol(s) = CCM MANAGER 0x0003
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
Layer 3 Status:
0 Active Layer 3 Call(s)
Active dsl 1 CCBs = 0
The Free Channel Mask: 0x807FFFFF
Number of L2 Discards = 0, L2 Session ID = 39
Total Allocated ISDN CCBs = 0
Additional Information:
1. Calls go through the PRI 0/0/1 even if the CCM shows it unregistered
Troubleshooting Done:
1. Reset the gateway from Call manager and MGCP gateway
Resetting the gateway didn't make any difference.