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dimensyssrl
Beginner

**ERROR**: accept_incoming_csm_call: modem problem Bearer

Hello all.

We have a router used as access server, with a ISDN Pri E1 connected to it.

It has worked properly since last week; our Telco provider has disabled E1 (due to an error), then, when Telco restored E1 line, remote access didn't work anymore...

Configuration is the same (we didn't change anything).

Into the logs, it appears this error:

6d16h: ISDN Se2/0:15 Q931: SETUP pd = 8  callref = 0x0031

        Sending Complete

        Bearer Capability i = 0x8090A3

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA18394

                Preferred, Channel 20

        Calling Party Number i = 0x0181, '121123456'

                Plan:ISDN, Type:Unknown

        Called Party Number i = 0xA1, '1147xxxx1'

                Plan:ISDN, Type:National

        High Layer Compat i = 0x9181

6d16h: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=37

6d16h: ISDN Se2/0:15 **ERROR**: accept_incoming_csm_call: modem problem Bearer

apability not available(0x3A): b channel 19, call id 0x18

6d16h: ISDN Se2/0:15 Q921: User TX -> INFO sapi=0 tei=0, ns=54 nr=37

6d16h: ISDN Se2/0:15 Q931: CALL_PROC pd = 8  callref = 0x8031

        Channel ID i = 0xA98394

                Exclusive, Channel 20

6d16h: ISDN Se2/0:15 Q921: User TX -> INFO sapi=0 tei=0, ns=55 nr=37

6d16h: ISDN Se2/0:15 Q931: DISCONNECT pd = 8  callref = 0x8031

        Cause i = 0x80BA - Bearer capability not available

6d16h: ISDN Se2/0:15 Q921: User RX <- RR sapi=0 tei=0 nr=55

6d16h: ISDN Se2/0:15 Q921: User RX <- RR sapi=0 tei=0 nr=56

cisco3640#

6d16h: ISDN Se2/0:15 Q921: User RX <- INFO sapi=0 tei=0, ns=37 nr=56

6d16h: ISDN Se2/0:15 Q931: RELEASE pd = 8  callref = 0x0031

6d16h: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=38

6d16h: ISDN Se2/0:15 Q921: User TX -> INFO sapi=0 tei=0, ns=56 nr=38

6d16h: ISDN Se2/0:15 Q931: RELEASE_COMP pd = 8  callref = 0x8031

6d16h: ISDN Se2/0:15 Q921: User RX <- RR sapi=0 tei=0 nr=57

Anyone knows how to solve this problem?

Thanks

Daniele

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