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New Member

ISDN V.110 on BRI or E1

I have a cisco 2612 (12.3.17a)with a BRI-WIC and a E1-NM. Dial-in over a "normal" ISDN-Line works on E1 and BRI but when I try to connect using a mobile phone and ISDN V.110 I get the following bearer problem:

on BRI:

22:32:33: ISDN BR0/0 Q931: RX <- SETUP pd = 8 callref = 0x01

Sending Complete

Bearer Capability i = 0x8890214D06BB

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0x89

Calling Party Number i = 0x2183, 'xxxxxxxxx'

Plan:ISDN, Type:National

Called Party Number i = 0xC1, 'xxxxx'

Plan:ISDN, Type:Subscriber(local)

Low Layer Compat i = 0x8890214D00BB

22:32:33: ISDN BR0/0 SERROR: L2_Go: at bailout DLCB is NULL

L2: sapi 0 tei 127 ces 0 ev 0x3

22:32:143900927204: ISDN BR0/0 **ERROR**: accept_incoming_csm_call: modem proble

m Bearer capability not available(0x3A): b channel 0, call id 0x10

22:32:33: ISDN BR0/0 Q931: TX -> CALL_PROC pd = 8 callref = 0x81

Channel ID i = 0x89

22:32:33: ISDN BR0/0 Q931: TX -> DISCONNECT pd = 8 callref = 0x81

Cause i = 0x80BA - Bearer capability not available

22:32:33: ISDN BR0/0 Q931: RX <- RELEASE pd = 8 callref = 0x01

22:32:33: ISDN BR0/0 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x81

on E1:

22:59:42: ISDN Se1/0:15 Q931: RX <- SETUP pd = 8 callref = 0x3CAB

Bearer Capability i = 0x8890214D06BB

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98381

Exclusive, Channel 1

Calling Party Number i = 0x2183, 'xxxxxxxxxx'

Plan:ISDN, Type:National

Called Party Number i = 0xC1, 'xxxxxx'

Plan:ISDN, Type:Subscriber(local)

Low Layer Compat i = 0x8890214D00BB

22:59:180388627099: ISDN Se1/0:15 **ERROR**: accept_incoming_csm_call: modem pro

blem Bearer capability not available(0x3A): b channel 0, call id 0x12

22:59:42: ISDN Se1/0:15 Q931: TX -> CALL_PROC pd = 8 callref = 0xBCAB

Channel ID i = 0xA98381

Exclusive, Channel 1

22:59:42: ISDN Se1/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0xBCAB

Cause i = 0x80BA - Bearer capability not available

22:59:42: ISDN Se1/0:15 Q931: RX <- RELEASE pd = 8 callref = 0x3CAB

22:59:42: ISDN Se1/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0xBCAB

Is there a possibility to let V.110 work on a BRI our E1?

2 REPLIES
Bronze

Re: ISDN V.110 on BRI or E1

In order to help you, I may want you to provide me with the following details.

1. Configure the following debugging settings:

service timestamps debug datetime msec

service timestamps log datetime msec

2. Switch on the following debugging:

debug modem

debug modem csm

debug isdn q931

debug ppp negotiation

debug dialer

3. Record and send to me the output as you're trying to set up a connection

4.Also provide me sh tech of your router

New Member

Re: ISDN V.110 on BRI or E1

Thanks for your help!

I already found out that it is not possible to terminate V.110 calls on a 2612 router over an E1-Line.

Without extra digital modems like the cisco mica-family it isn't possible to use V.110.

My 2612 router has only one NM-Slot, so I can't equip it with a E1-NM and a Mica-NM. :-(

I need at least a 36xx-Router...

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