The two debug outputs show two different scenario one stripping the 9 and the
other sending the 9.
I had a route pattern with 9.011! pointing to a route list containing BR1
gateway configured as MGCP. The first test was route list not stripping the 9
as shown in the debug isdn q931 output. In this instance I was getting the
announcement "number cannot be dialled". The 2nd test was still using the same
route pattern but this time in the route list stripping the 9 using predot. In
this instance the error was network out of order which means to me a PSTN
failure.
Any ideas to shed some light would be welcome.
Rgds
Abdalla
----- Original Message ----
From: Christian Narvaez <[EMAIL PROTECTED]>
To: Abdalla Abdalla <[EMAIL PROTECTED]>; CCIE Voice StudyList
<ccie_voice@onlinestudylist.com>
Sent: Monday, April 28, 2008 4:19:29 PM
Subject: Re: [OSL | CCIE_Voice] Pod 23: HQ/BR1 PSTN Issues
RE: [OSL | CCIE_Voice] Pod 23: HQ/BR1 PSTN Issues
I think you forgot to remove the "9" in front of the called number. The PSTN
Router ever expect the DNIS without the 9.
-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Abdalla Abdalla
Sent: Mon 4/28/2008 11:18 AM
To: CCIE Voice StudyList
Subject: [OSL | CCIE_Voice] Pod 23: HQ/BR1 PSTN Issues
Hi,
I was having PSTN issues yesterday during my proctor lab session. I could not
get any PSTN calls outbound to the test PSTN phone from either HQ or BR1 site.
This has worked in the past.
I had configured BR1 as an MGCP gateway so that I could debug this issue and
setup a route pattern on CCM stripping the 9 and without the 9. However both
cases the call failed.The gateway was registered in CCM.
The error messages I was getting were (when not discarding predot):
P23-BR1-RTR#
Apr 27 20:18:52.750: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8 callref = 0x0004
Bearer Capability i = 0x8090A2
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98383
Exclusive, Channel 3
Calling Party Number i = 0x0081, '2122231003'
Plan:Unknown, Type:Unknown
Called Party Number i = 0x80, '90119876543'
Plan:Unknown, Type:Unknown
*Apr 27 20:18:52.778: ISDN Se0/0/0:23 Q931: RX <- CALL_PROC pd = 8 callref =
0x8004
Channel ID i = 0xA98383
Exclusive, Channel 3
P23-BR1-RTR#
*Apr 27 20:18:52.782: ISDN Se0/0/0:23 Q931: RX <- DISCONNECT pd = 8 callref =
0x8004
Cause i = 0x8281 - Unallocated/unassigned number
This meant that the PSTN was not expecting a 9.
So when i strip the 9 in the route list, i get this error message:
P23-BR1-RTR#
Apr 27 20:21:24.906: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8 callref = 0x0001
Bearer Capability i = 0x8090A2
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98383
Exclusive, Channel 3
Calling Party Number i = 0x0081, '2122231003'
Plan:Unknown, Type:Unknown
Called Party Number i = 0x80, '0119876543'
Plan:Unknown, Type:Unknown
*Apr 27 20:21:24.934: ISDN Se0/0/0:23 Q931: RX <- CALL_PROC pd = 8 callref =
0x8001
Channel ID i = 0xA98383
Exclusive, Channel 3
P23-BR1-RTR(config)#
*Apr 27 20:21:39.938: ISDN Se0/0/0:23 Q931: RX <- DISCONNECT pd = 8 callref =
0x8001
Cause i = 0x82A6 - Network out of order
*Apr 27 20:21:40.034: ISDN Se0/0/0:23 Q931: TX -> RELEASE pd = 8 callref =
0x0001
*Apr 27 20:21:40.042: ISDN Se0/0/0:23 Q931: RX <- RELEASE_COMP pd = 8 callref
= 0x8001
Any ideas as to why this was happening?
Kind Regards
Abdalla
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