Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 
New Member

ISDN status TEI_assigned


attached are the debug q921 and running configuration, Telco says everything perfect from his side but layer 2 status is not coming up.Anybody can help me where things are missing.



Is this gateway register back

Is this gateway register back to CUCM using using MGCP? Is the registration up on the CUCM side? "show ccm-manager" should tell you this. If not, remove the command:

isdn bind-l3 ccm-manager
Please rate useful posts.
New Member

Dear George,

Dear Samuel,

Most of the time is seen by the telco, you can try expert (george) suggestion.





New Member

Dear George,+5I added isdn

Dear George,


I added isdn bind-l3 ccm-manager

by this thread the layer 2 status was tei assigned for days i thought of applying some commands for trial and error and i saw the above thread.

i just remove the command and executed no mgcp and mgcp the layer 2 status is Multiframe established


still the gateway is not registered to CM attached is the file.


New Member

Dear Experts,the gateway is

can u send us the debug isdn q921


New Member

Dear Experts,the gateway is

Dear Experts,

the gateway is registered once i reload the router.but again i see the layer 2 status as TEI assigned and the debug are same as previous.

sh controllers E1 0/0/0
E1 0/0/0 is up.
  Applique type is Channelized E1 - balanced
  No alarms detected.
  alarm-trigger is not set
  Version info FPGA Rev: 08121917, FPGA Type: PRK1
  Framing is CRC4, Line Code is HDB3, Clock Source is Line.
  International Bit: 1, National Bits: 11111
  Data in current interval (470 seconds elapsed):
     39 Line Code Violations, 1 Path Code Violations
     2 Slip Secs, 2 Fr Loss Secs, 1 Line Err Secs, 0 Degraded Mins
     4 Errored Secs, 0 Bursty Err Secs, 2 Severely Err Secs, 0 Unavail Secs


Hi Samuel.What did you

Hi Samuel.

What did you configure as "Domain Name" in MGCP configuration on CUCM?

Please try to add an hostname in your VG configuration and add it to Gateway config on CUCM.

Remember that,on Gateway configuration on CUCM,  you need to add also the domain if you defined it on voice gateway configuration with ip domain-name command.


Last.. try to reload the router.







Please rate all helpful posts "The more you help the more you learn"
CreatePlease to create content