CME Outbound Dialing

Answered Question
Jun 17th, 2010

I'm having troubles making outbound calls. When 9 is dialed I get a busy tone and not secondary dial tone. I also debugged the dial-peers and it says there is no match????

Attachment: 
I have this problem too.
0 votes
Correct Answer by gm3gmgm3gm about 6 years 7 months ago

Hi lyle ,

The sh isdn stat log shows Layer 2 as "AWAITING_ESTABLISHMENT" . You need to speak to the Service provider to check the status of the PRI in their switch end. The Physical connectivity is ok but the Layer 2 protocol between CME and the Service provider switch is down.

Thanks,

Gopi

  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (3 ratings)
Loading.
Md. Mijanur Rahman Thu, 06/17/2010 - 07:41

Hi, may be your 'controller T1 0/1/0' is down. Can you please post your 'sh isdn status' output?

HTH.

Walter Solano Thu, 06/17/2010 - 08:02

Hello Lyle,

Could you please got the follow information to know the reason for this:

Show version

Show controller T1

Show isdn status

Also plese collect the follow debugs when doing and outgoing call:

Debug isdn q931

Debug voice ccapi

HTH

Please rate this post if was helpful

Walter Solano

CCVP, Cisco UCCX Specialist

Please support CSC Helps Haiti

https://supportforums.cisco.com/docs/DOC-8895

https://supportforums.cisco.com/docs/DOC-8727

Correct Answer
gm3gmgm3gm Thu, 06/17/2010 - 08:54

Hi lyle ,

The sh isdn stat log shows Layer 2 as "AWAITING_ESTABLISHMENT" . You need to speak to the Service provider to check the status of the PRI in their switch end. The Physical connectivity is ok but the Layer 2 protocol between CME and the Service provider switch is down.

Thanks,

Gopi

lyle.stevens Thu, 06/17/2010 - 09:56

I have called the service provider and there was an issuse with the T1. Thank you for your help.

Md. Mijanur Rahman Thu, 06/17/2010 - 09:00

On your configuration on router i can see:

!

isdn switch-type primary-dms100

!
interface Serial0/1/0:23
no ip address
encapsulation hdlc
isdn switch-type primary-dms100
isdn incoming-voice voice
no cdp enable
!

Are you sure about the switch-type? For generic case it's primary-ni but for your case it's primary-dms100, THOUGH it doesnt matter if it's the actual as your service provider. Ask your PSTN service-provider for proper switch-type, timeslot, signaling info and troubleshoot it until you can see 'MULTIPLE_FRAME_ESTABLISHED' at L2 under 'sh isdn status' command.

HTH.

Walter Solano Thu, 06/17/2010 - 09:09

Completely agree with you guys.

An important debug to diagnost this issues is the Q.921, that will let us know why the layer 2 is not up. Please call the Telco to double check the switch type and also collect the debug Q.921 in cases that will be necessary.

BTW +5 points for you guys great job!!

HTH

Please rate this post if was helpful

Walter Solano

CCVP, Cisco UCCX Specialist

Please support CSC Helps Haiti

https://supportforums.cisco.com/docs/DOC-8895

https://supportforums.cisco.com/docs/DOC-8727

Actions

This Discussion