[cisco-voip] Incompatible destination

Kevin Thorngren kthorngr at cisco.com
Fri May 5 10:12:08 EDT 2006


Hi Nick,

The one thing I notice different is the Bearer Capability.  Is the  
phone that is not working video enabled?

You can place the command "bearer-cap speech" on the voice port to  
force the calls to use audio only.

Kevin
On May 5, 2006, at 9:58 AM, Nick Kassel wrote:

> I have a rather odd issue with a couple of phones, they are unable to  
> dial certain numbers and the debug says Incompatible destination after  
> it appears to timeout, this is only happening on these two phones and  
> they are setup with exactly the same CSS and using the same gateway as  
> the other phones in the office who can dial the number fine.
> I have tried deleting the phone and re adding it to the CCM, setting  
> it back up again and this appeared to resolve the issue but it has now  
> re appeared.
> Anyone come across anything like this before?
>  
>  
> The debugs of the failed call and from a working phone are as follows
>  
> Debug 1 from one of the phones who’s call fails
>  
> London_PRI1#
> *May  3 07:47:53.478: ISDN Se0/0/0:15 Q931: Applying typeplan for  
> sw-type 0x12 is 0x0 0x0, Calling num 6424
> *May  3 07:47:53.478: ISDN Se0/0/0:15 Q931: Applying typeplan for  
> sw-type 0x12 is 0x0 0x0, Called num 73908587
> *May  3 07:47:53.482: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8   
> callref = 0x04AC
>         Bearer Capability i = 0x8890A3
>                 Standard = CCITT
>                 Transfer Capability = Unrestricted Digital
>                 Transfer Mode = Circuit
>                 Transfer Rate = 64 kbit/s
>         Channel ID i = 0xA9839F
>                 Exclusive, Channel 31
>         Calling Party Number i = 0x0081, '6424'
>                 Plan:Unknown, Type:Unknown
>         Called Party Number i = 0x80, '73908587'
>                 Plan:Unknown, Type:Unknown
> *May  3 07:47:53.642: ISDN Se0/0/0:15 Q931: RX <- CALL_PROC pd = 8   
> callref = 0x84AC
>         Channel ID i = 0xA9839F
>                 Exclusive, Channel 31
> *May  3 07:47:54.590: ISDN Se0/0/0:15 Q931: RX <- DISCONNECT pd = 8   
> callref = 0x84AC
>         Cause i = 0x84D8 - Incompatible destination
> *May  3 07:47:54.594: ISDN Se0/0/0:15 Q931: TX -> RELEASE pd = 8   
> callref = 0x04AC
> *May  3 07:47:54.638: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8   
> callref = 0x84AC
>  
>  
> Debug 2 from a working phone
>  
> *May  3 07:49:00.202: ISDN Se0/0/0:15 Q931: Applying typeplan for  
> sw-type 0x12 is 0x0 0x0, Calling num 6515
> *May  3 07:49:00.202: ISDN Se0/0/0:15 Q931: Applying typeplan for  
> sw-type 0x12 is 0x0 0x0, Called num 73908587
> *May  3 07:49:00.202: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8   
> callref = 0x04AD
>         Bearer Capability i = 0x8090A3
>                 Standard = CCITT
>                 Transfer Capability = Speech
>                 Transfer Mode = Circuit
>                 Transfer Rate = 64 kbit/s
>         Channel ID i = 0xA9839F
>                 Exclusive, Channel 31
>         Calling Party Number i = 0x0081, '6515'
>                 Plan:Unknown, Type:Unknown
>         Called Party Number i = 0x80, '73908587'
>                 Plan:Unknown, Type:Unknown
> *May  3 07:49:00.338: ISDN Se0/0/0:15 Q931: RX <- CALL_PROC pd = 8   
> callref = 0x84AD
>         Channel ID i = 0xA9839F
>                 Exclusive, Channel 31
> *May  3 07:49:01.338: ISDN Se0/0/0:15 Q931: RX <- ALERTING pd = 8   
> callref = 0x84AD
> *May  3 07:49:05.090: ISDN Se0/0/0:15 Q931: RX <- CONNECT pd = 8   
> callref = 0x84AD
> *May  3 07:49:05.094: ISDN Se0/0/0:15 Q931: TX -> CONNECT_ACK pd = 8   
> callref = 0x04AD
> *May  3 07:49:05.790: ISDN Se0/0/0:15 Q931: TX -> DISCONNECT pd = 8   
> callref = 0x04AD
>         Cause i = 0x8090 - Normal call clearing
> *May  3 07:49:06.090: ISDN Se0/0/0:15 Q931: RX <- RELEASE pd = 8   
> callref = 0x84AD
> *May  3 07:49:06.090: ISDN Se0/0/0:15 Q931: TX -> RELEASE_COMP pd = 8   
> callref = 0x04AD
>  
>  
>  
>
>
>
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