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neil-jones
Beginner

Dropped calls - **ERROR**: L3_BadPeerMsg

Hi,

I've been scrathing my head over this for a few hours, and google hasn't been as friendly as it normally is.

We're seeing dropped calls, incoming, from a specific number, but may not be isolated, even when all other calls seem fine.

Q931 debug output below. I would really appreciate any guidance on this:

5655: Jan 27 09:53:42.615 GMT: ISDN Se0/0:15 Q931: RX <- SETUP pd = 8  callref = 0x008B
5656:     Sending Complete
5657:     Bearer Capability i = 0x8090A3
5658:         Standard = CCITT
5659:         Transfer Capability = Speech 
5660:         Transfer Mode = Circuit
5661:         Transfer Rate = 64 kbit/s
5662:     Channel ID i = 0xA98381
5663:         Exclusive, Channel 1
5664:     Calling Party Number i = 0x0083, '********5100'
5665:         Plan:Unknown, Type:Unknown
5666:     Called Party Number i = 0x80, '2280'
5667:         Plan:Unknown, Type:Unknown
5668: Jan 27 09:53:42.707 GMT: ISDN Se0/0:15 Q931: TX -> CALL_PROC pd = 8  callref = 0x808B
5669:     Channel ID i = 0xA98381
5670:         Exclusive, Channel 1
5671: Jan 27 09:53:42.739 GMT: ISDN Se0/0:15 Q931: TX -> ALERTING pd = 8  callref = 0x808B
5672:     Progress Ind i = 0x8188 - In-band info or appropriate now available
5673: Jan 27 09:54:00.424 GMT: ISDN Se0/0:15 Q931: TX -> CONNECT pd = 8  callref = 0x808B
5674: Jan 27 09:54:00.440 GMT: ISDN Se0/0:15 Q931: RX <- CONNECT_ACK pd = 8  callref = 0x008B
5675: Jan 27 09:54:15.353 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x808B
5676: Jan 27 09:54:15.381 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x808B
5677: Jan 27 09:54:19.456 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x808B
5678: Jan 27 09:54:19.464 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x808B
5679: Jan 27 09:54:21.082 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x808B

5868: Jan 27 09:58:49.423 GMT: ISDN Se0/0:15 Q931: RX <- DISCONNECT pd = 8  callref = 0x008B
5869:     Cause i = 0x82A9 - Temporary failure
5870: Jan 27 09:58:49.435 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x808B
5871: Jan 27 09:58:53.434 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x808B
5872: Jan 27 09:59:27.137 GMT: ISDN Se0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x008B
5873:     Cause i = 0x82A9 - Temporary failure
5874:     Display i = '*AA*CLEARED#'
5875: Jan 27 09:59:27.141 GMT: ISDN Se0/0:15 **ERROR**: L3_BadPeerMsg: event 0x5A cr 0x808B callid 0x0

5899: Jan 27 10:00:17.644 GMT: ISDN Se0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Calling num ********2030
5900: Jan 27 10:00:17.652 GMT: ISDN Se0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Called num *********8266

Another call:

5876: Jan 27 09:59:28.399 GMT: ISDN Se0/0:15 Q931: RX <- SETUP pd = 8  callref = 0x0091
5877:     Sending Complete
5878:     Bearer Capability i = 0x8090A3
5879:         Standard = CCITT
5880:         Transfer Capability = Speech 
5881:         Transfer Mode = Circuit
5882:         Transfer Rate = 64 kbit/s
5883:     Channel ID i = 0xA98381
5884:         Exclusive, Channel 1
5885:     Calling Party Number i = 0x0083, '*****5100'
5886:         Plan:Unknown, Type:Unknown
5887:     Called Party Number i = 0x80, '2280'
5888:         Plan:Unknown, Type:Unknown
5889: Jan 27 09:59:28.495 GMT: ISDN Se0/0:15 Q931: TX -> CALL_PROC pd = 8  callref = 0x8091
5890:     Channel ID i = 0xA98381
5891:         Exclusive, Channel 1
5892: Jan 27 09:59:28.519 GMT: ISDN Se0/0:15 Q931: TX -> ALERTING pd = 8  callref = 0x8091
5893:     Progress Ind i = 0x8188 - In-band info or appropriate now available
5894: Jan 27 09:59:33.888 GMT: ISDN Se0/0:15 Q931: TX -> CONNECT pd = 8  callref = 0x8091
5895: Jan 27 09:59:33.904 GMT: ISDN Se0/0:15 Q931: RX <- CONNECT_ACK pd = 8  callref = 0x0091
5896: Jan 27 09:59:44.854 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8091
5897: Jan 27 09:59:44.862 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8091
5898: Jan 27 09:59:45.495 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8091
6031: Jan 27 10:04:13.836 GMT: ISDN Se0/0:15 Q931: RX <- DISCONNECT pd = 8  callref = 0x0091
6032:     Cause i = 0x82A9 - Temporary failure
6033: Jan 27 10:04:13.848 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x8091
6054: Jan 27 10:04:17.847 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x8091
6057: Jan 27 10:04:22.779 GMT: ISDN Se0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x0091
6058:     Cause i = 0x82A9 - Temporary failure
6059:     Display i = '*AA*CLEARED#'
6060: Jan 27 10:04:22.783 GMT: ISDN Se0/0:15 **ERROR**: L3_BadPeerMsg: event 0x5A cr 0x8091 callid 0x0

And another one:

6061: Jan 27 10:04:23.748 GMT: ISDN Se0/0:15 Q931: RX <- SETUP pd = 8  callref = 0x0095
6062:     Sending Complete
6063:     Bearer Capability i = 0x8090A3
6064:         Standard = CCITT
6065:         Transfer Capability = Speech 
6066:         Transfer Mode = Circuit
6067:         Transfer Rate = 64 kbit/s
6068:     Channel ID i = 0xA98381
6069:         Exclusive, Channel 1
6070:     Calling Party Number i = 0x0083, '*********5100'
6071:         Plan:Unknown, Type:Unknown
6072:     Called Party Number i = 0x80, '2280'
6073:         Plan:Unknown, Type:Unknown
6074: Jan 27 10:04:23.861 GMT: ISDN Se0/0:15 Q931: TX -> CALL_PROC pd = 8  callref = 0x8095
6075:     Channel ID i = 0xA98381
6076:         Exclusive, Channel 1
6077: Jan 27 10:04:23.893 GMT: ISDN Se0/0:15 Q931: TX -> ALERTING pd = 8  callref = 0x8095
6078:     Progress Ind i = 0x8188 - In-band info or appropriate now available
6079: Jan 27 10:04:37.519 GMT: ISDN Se0/0:15 Q931: TX -> CONNECT pd = 8  callref = 0x8095
6080: Jan 27 10:04:37.531 GMT: ISDN Se0/0:15 Q931: RX <- CONNECT_ACK pd = 8  callref = 0x0095
6081: Jan 27 10:04:46.442 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8095
6082: Jan 27 10:04:46.454 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8095
6083: Jan 27 10:04:47.263 GMT: ISDN Se0/0:15 Q931: TX -> INFORMATION pd = 8  callref = 0x8095

6139: Jan 27 10:09:15.612 GMT: ISDN Se0/0:15 Q931: RX <- DISCONNECT pd = 8  callref = 0x0095
6140:     Cause i = 0x82A9 - Temporary failure
6141: Jan 27 10:09:15.624 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x8095
6142: Jan 27 10:09:19.622 GMT: ISDN Se0/0:15 Q931: TX -> RELEASE pd = 8  callref = 0x8095
6143: Jan 27 10:09:26.426 GMT: ISDN Se0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x0095
6144:     Cause i = 0x82A9 - Temporary failure
6145:     Display i = '*AA*CLEARED#'
6146: Jan 27 10:09:26.430 GMT: ISDN Se0/0:15 **ERROR**: L3_BadPeerMsg: event 0x5A cr 0x8095 callid 0x0

Excerpts from config:

boot system flash:c1700-ipvoicek9-mz.124-25d.bin

tdm clock E1 0/0 both export line
voice-card 0

isdn switch-type primary-net5
!
!
voice rtp send-recv
!
voice service voip
fax protocol pass-through g711ulaw
h323
modem passthrough nse codec g711ulaw

controller E1 0/0
pri-group timeslots 1-18
!
!
!
!
interface FastEthernet0/0
ip address 10.10.100.13 255.255.255.0
speed 100
full-duplex
h323-gateway voip interface
!
interface Serial0/0:15
no ip address
encapsulation hdlc
no logging event link-status
isdn switch-type primary-net5
isdn incoming-voice voice
isdn sending-complete
no cdp enable

voice-port 0/0:15
cptone GB
timeouts interdigit 5
bearer-cap Speech
!
!
!
!
!
!
dial-peer voice 1 pots
description Outbound TO PSTN
destination-pattern .T
progress_ind alert enable 8
progress_ind connect enable 8
port 0/0:15
forward-digits all
!
dial-peer voice 2 pots
description Inbound Dialpeer
incoming called-number .
direct-inward-dial
!
dial-peer voice 101 voip
description TO CUCM
destination-pattern 2...
progress_ind setup enable 3
session target ipv4:10.10.100.3
dtmf-relay h245-alphanumeric
codec g711ulaw
no vad
!
dial-peer voice 102 voip
description TO CUCM
destination-pattern ......
progress_ind setup enable 3
session target ipv4:10.10.100.3
dtmf-relay h245-alphanumeric
codec g711ulaw
no vad

Many thanks!

Neil

2 REPLIES 2
Payal Bhaduri
Cisco Employee

In the isdn q931 debug, we can see that the disconnect is from the telco side. The switch-type, plan , type needs to be checked with the provider.

Hello Payal/Neil,

I had the same issue and it was resolved by matching the isdn switch-type with the Carrier.

Hope this helps.

Regards

OJ Bansal

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