SoftCo users can initiate intra-office calls successfully. When they initiate outgoing calls, they hear an announcement indicating that the number of call channels is limited, and the calls fail.
Step 1 Run the show subscribe dn command to view the ID of the sub-PBX group that the user belongs to.
Step 2 Run the show subpbx command to search for the group name based on the group ID.
Step 3 Run the show subpbx name command to view the value of MaxTkcCount. If MaxTkcCount is set to 0 or a number that is less than the actual number of trunks, run the config modify subpbx noxmaxtkcnumxx command to change the value.
Step 4 If the fault persists, contact Huawei technical support engineers, and provide log information as required.
The possible causes are as follows:
The MaxTkcCount parameter of the sub-PBX group that the user belongs to is set to an improper value.
Trunk resources are used up.