[cisco-voip] Directory number issue

Matthew Saskin matt at saskin.net
Mon Feb 18 14:42:04 EST 2008


Just a guess - do a no mgcp/mgcp on the gateway itself.  I've seen this 
happen frequently, but only for the entire range of numbers.

Also, have you run DNA within the cluster to make sure that particular 
DN isn't being mis-routed somewhere?

-matt

Kienzle, John wrote:
>
> Hello. Although we have a TAC case open, I thought I would get some 
> opinions from this excellent resource.
>
> We have a CM 5.1.2.2000-3 cluster in our company. One of our sites was 
> recently migrated from a standalone legacy CM 4.2 cluster to our new 
> corporate 5.x CM cluster. The only issue We have had was after a few 
> days, one of our phones stopped receiving calls. DID calls, local LAN 
> calls by direct extension, calls over the WAN by direct extension - 
> all of them give a fast busy tone. The behavior is similar to an 
> unused or unassigned directory number. The phone registers to CM just 
> fine and can place calls in/out of network just fine. We've tried 
> completely removing the phone/DN from CM and adding it back again with 
> no luck. Also, if you assign the phone a different DN it works fine. 
> Phone and line configuration has been verified. The problem definitely 
> follows the suspect DN. A debug ISDN q931 give the following when 
> calling the DN over our PRI:
>
> *Feb 12 13:44:57.810: ISDN Se0/3/1:23 Q931: RX <- SETUP pd = 8  
> callref = 0x0A1B
>
>         Bearer Capability i = 0x8090A2
>                 Standard = CCITT
>                 Transfer Capability = Speech
>                 Transfer Mode = Circuit
>                 Transfer Rate = 64 kbit/s
>         Channel ID i = 0xA98386
>                 Exclusive, Channel 6
>         Calling Party Number i = 0x2181, 'sourcenumber'
>                 Plan:ISDN, Type:National
>         Called Party Number i = 0xC1, ' 5870 '
>                 Plan:ISDN, Type:Subscriber(local)
> *Feb 12 13:44:57.926: ISDN Se0/3/1:23 Q931: TX -> CALL_PROC pd = 8  
> callref = 0x
> 8A1B
>         Channel ID i = 0xA98386
>                 Exclusive, Channel 6
> *Feb 12 13:44:57.926: ISDN Se0/3/1:23 Q931: TX -> DISCONNECT pd = 8  
> callref = 0
> x8A1B
>         Cause i = 0x8081 - Unallocated/unassigned number
> *Feb 12 13:44:58.006: ISDN Se0/3/1:23 Q931: RX <- RELEASE pd = 8  
> callref = 0x0A
> 1B
> *Feb 12 13:44:58.082: ISDN Se0/3/1:23 Q931: TX -> RELEASE_COMP pd = 8  
> callref =
>  0x8A1B
> *Feb 12 13:44:58.614: ISDN Se0/3/1:23 Q931: RX <- SETUP pd = 8  
> callref = 0x0968
>
>
>
> John Kienzle
> Senior ITS Analyst
> Anadarko Petroleum/WGR
> 1400 E. Lincoln
> Gillette, WY. 82716
> WP - 307.685.5870
> CP - 307.680.1746
> John.Kienzle at anadarko.com
>
>
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