[cisco-voip] BRI Interfaces
H, Tim
TimH at trstone.com
Tue Apr 6 14:05:58 EDT 2010
I've finally fixed my BRI issue. I had to use this setting: "isdn static-tei 0" http://www.cisco.com/en/US/tech/tk801/tk379/technologies_tech_note09186a00800a7b30.shtml
I now have more issues. Layer 2 is completely up and working. I still can't manage to make calls outbound or inbound. I've attached the debug isdn q931 for inbound and outbound calls. Any help is appreciated.
Outbound:
Apr 6 17:57:10.402: ISDN BR0/0/0 Q931: TX -> SETUP pd = 8 callref = 0x08
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x8A
Exclusive, B2
Calling Party Number i = 0x0081, '<REMOVED NUMBER>'
Plan:Unknown, Type:Unknown
Called Party Number i = 0x80, '<REMOVED NUMBER>'
Plan:Unknown, Type:Unknown
Apr 6 17:57:10.646: ISDN BR0/0/0 Q931: RX <- CALL_PROC pd = 8 callref = 0x88
Channel ID i = 0x8A
Exclusive, B2
Apr 6 17:57:10.646: ISDN BR0/0/1 Q931: RX <- CALL_PROC pd = 8 callref = 0x88
Channel ID i = 0x8A
Exclusive, B2
Apr 6 17:57:10.902: ISDN BR0/0/1 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x08
Cause i = 0x82D1 - Invalid call reference value
Apr 6 17:57:13.658: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BR0/0/1, TEI 0 changed to down
Apr 6 17:57:13.918: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0/1, TEI 0 changed to up
Apr 6 17:57:28.366: ISDN BR0/0/0 Q931: TX -> DISCONNECT pd = 8 callref = 0x08
Cause i = 0x8290 - Normal call clearing
Apr 6 17:57:28.490: ISDN BR0/0/0 Q931: RX <- RELEASE pd = 8 callref = 0x88
Cause i = 0x82D1 - Invalid call reference value
Apr 6 17:57:28.490: ISDN BR0/0/1 Q931: RX <- RELEASE pd = 8 callref = 0x88
Cause i = 0x82D1 - Invalid call reference value
Apr 6 17:57:28.742: ISDN BR0/0/1 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x08
Cause i = 0x82D1 - Invalid call reference value
Apr 6 17:57:29.502: ISDN BR0/0/0 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x08
Apr 6 17:57:30.502: ISDN BR0/0/0 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x08
Apr 6 17:57:31.502: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BR0/0/1, TEI 0 changed to down
Apr 6 17:57:31.766: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0/1, TEI 0 changed to up
Inbound: And I do have a number assigned that should pick up this call, not sure why it's not.
Apr 6 18:04:10.613: ISDN BR0/0/0 Q931: RX <- SETUP pd = 8 callref = 0x01
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x89
Exclusive, B1
Calling Party Number i = 0x1181, '<REMOVED NUMBER>'
Plan:ISDN, Type:International
Called Party Number i = 0xC1, '<REMOVED NUMBER>'
Plan:ISDN, Type:Subscriber(local)
Apr 6 18:04:10.613: ISDN BR0/0/1 Q931: RX <- SETUP pd = 8 callref = 0x01
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x89
Exclusive, B1
Calling Party Number i = 0x1181, '<REMOVED NUMBER>'
Plan:ISDN, Type:International
Called Party Number i = 0xC1, '<REMOVED NUMBER>'
Plan:ISDN, Type:Subscriber(local)
Apr 6 18:04:10.865: ISDN BR0/0/0 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x81
Cause i = 0x8281 - Unallocated/unassigned number
Apr 6 18:04:10.877: ISDN BR0/0/1 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x81
Cause i = 0x8281 - Unallocated/unassigned number
Thanks,
Tim
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of H, Tim
Sent: Monday, April 05, 2010 1:14 PM
To: cisco-voip at puck-nether.net
Subject: Re: [cisco-voip] BRI Interfaces
I might also mention that we're using straight through cables for this as opposed to crossover cables.
Could this be the issue? It's a remote site so I can't test.
Tim
From: H, Tim
Sent: Monday, April 05, 2010 12:47 PM
To: cisco-voip at puck-nether.net
Subject: BRI Interfaces
All,
Having some issues setting up my first BRI interface. I copied some of the MGCP gateway config below. Is anyone out there using BRIs? Maybe you could cross-reference your config with mine.
I've debugged ISDN q931 and have not been able to see anything even attempt to enter. After doing some research on "spoofing" it looks like it's just a way for the router to show the interface as up so all of the protocols can still run even though it is not actually up.
Any ideas would be helpful.
Show Run:
interface BRI0/0/0
no ip address
isdn switch-type basic-net3
isdn point-to-point-setup
isdn incoming-voice voice
isdn bind-l3 ccm-manager service mgcp
Show Int:
BRI0/0/0 is up, line protocol is up (spoofing)
Hardware is Voice NT or TE BRI
MTU 1500 bytes, BW 64 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation VOICE, loopback not set
Keepalive set (10 sec)
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/16703/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/16 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 48 kilobits/sec
5 minute input rate 0 bits/sec, 1 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
1181718 packets input, 7417849 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
16703 input errors, 16689 CRC, 0 frame, 0 overrun, 0 ignored, 6934 abort
200190 packets output, 1452880 bytes, 0 underruns
0 output errors, 0 collisions, 12 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
23 carrier transitions
Tim
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