[cisco-voip] CallManager 8.0 with SIP Trunk to 3945 with PRIS

[Nick Matthews]

This is how I think it's working:
You probably don't have MTP checked on the trunk, so CUCM is sending
an INVITE without a SDP.  The gateway is then sending a 183 session
progress but doesn't know where to send the media to.  This media has
the information in it saying it's a disconnected number.

You may need to enable Rel1xx on the gateway and/or on CUCM.  You
should be able to do a media negotiation on the 183 then.

Otherwise you could check the MTP box on the SIP trunk and see if that helps.

-nick

On Mon, Jun 27, 2011 at 11:06 AM, Jason Aarons (AM)
<jason.aarons at dimensiondata.com> wrote:
> I bet the problem is in CallManager I have “Stop Routing on User Busy Flag
> and Stop Routing on Unallocated Number Flag service parameters to True” as I
> have multiple PRIs in two Route Groups that Route List is pointed it.
>
>
>
> In this case the number 601-684-1901 is actually been disconnected by the
> telephone company (a dead beat bill payer got his service turned off).  I
> want to know about those disconnected numbers yet still have my Route Group
> work between two separate 3945ss for failover.
>
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jason Aarons (AM)
> Sent: Monday, June 27, 2011 10:50 AM
> To: cisco-voip (cisco-voip at puck.nether.net)
> Subject: [cisco-voip] CallManager 8.0 with SIP Trunk to 3945 with PRIS
>
>
>
>
>
> CallManager 8.0 with SIP Trunk to 3945 with PRIs to AT&T
>
>
>
> I see at the gateway I get a unallocated/disconnected number from telco
> however the end user on 7942 continues to hear ringback instead of a message
> the number is disconnected, etc.
>
>
>
> Is there something I can change in callmanager for the Annunciator to play a
> error, etc?
>
>
>
> 323512: Jun 27 08:38:09.997 CDT: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8
> callref = 0x5B5F
>
>         Bearer Capability i = 0x8090A2
>
>                 Standard = CCITT
>
>                 Transfer Capability = Speech
>
>                 Transfer Mode = Circuit
>
>                 Transfer Rate = 64 kbit/s
>
>         Channel ID i = 0xA98381
>
>                 Exclusive, Channel 1
>
>         Calling Party Number i = 0x2181, '6012082500'
>
>                 Plan:ISDN, Type:National
>
>         Called Party Number i = 0x80, '16016841901'
>
>                 Plan:Unknown, Type:Unknown
>
> 323513: Jun 27 08:38:10.049 CDT: ISDN Se0/0/0:23 Q931: RX <- CALL_PROC pd =
> 8  callref = 0xDB5F
>
>         Channel ID i = 0xA98381
>
>                 Exclusive, Channel 1
>
> 323514: Jun 27 08:38:11.541 CDT: ISDN Se0/0/0:23 Q931: RX <- PROGRESS pd =
> 8  callref = 0xDB5F
>
>         Cause i = 0x8481 - Unallocated/unassigned number
>
>         Progress Ind i = 0x8488 - In-band info or appropriate now available
>
> 323515: Jun 27 08:38:50.921 CDT: ISDN Se0/0/0:23 Q931: RX <- DISCONNECT pd =
> 8  callref = 0xDB5F
>
>         Cause i = 0x8490 - Normal call clearing
>
> 323516: Jun 27 08:38:50.921 CDT: ISDN Se0/0/
>
> itevomcid
>
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