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Hung calls in sh isdn active

In my 3640 SIP-ISDN gateway, I am seeing calls in sh isdn active that I do not see in show isdn status:

aust-txl-3640-voip-1#sh isdn active

--------------------------------------------------------------------------------

ISDN ACTIVE CALLS

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Call Calling Called Remote Seconds Seconds Seconds Charges

Type Number Number Name Used Left Idle Units/Currency

--------------------------------------------------------------------------------

Out 5127519502 5122934555 20 Unavail - 0

Out 5127941177 6045380034 304 Unavail - 0

Out 5124741554 5122411078 469 Unavail - 0

Out 5124180600 5122064764 122 Unavail - 0

Out 5124180600 8006311160 2280 Unavail - 0

Out 5127481225 5126083724 5405 Unavail - 0

Out 5124741554 5124047827 +43462 Unavail - 0

Out 5124512242 5124143057 +43663 Unavail - 0

Out 5124210800 5125904609 +58602 Unavail - 0

Out 5127941177 5128364988 +30217 Unavail - 0

Out 5128042299 5124784190 +58597 Unavail - 0

Out 5124741554 5123462086 +60290 Unavail - 0

Out 5129281600 8666573502 +37452 Unavail - 0

Out 5124180600 5126334404 +11627 Unavail - 0

Out 5123389293 5124235195 +48108 Unavail - 0

Out 5124512242 5128547001 2870 Unavail - 0

In 5127675224 5124818831 437 Unavail -

In 5129855966 5124741554 381 Unavail -

In 5123176372 5124512242 25 Unavail -

In 5123467743 5128042299 22 Unavail -

aust-txl-3640-voip-1#sh isdn status

Global ISDN Switchtype = primary-ni

ISDN Serial1/0:23 interface

dsl 0, interface ISDN Switchtype = primary-ni

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

Layer 3 Status:

1 Active Layer 3 Call(s)

CCB:callid=310F, sapi=0, ces=0, B-chan=1, calltype=VOICE

Active dsl 0 CCBs = 1

The Free Channel Mask: 0x807FFFFE

Number of L2 Discards = 0, L2 Session ID = 2

ISDN Serial1/1:23 interface

dsl 1, interface ISDN Switchtype = primary-ni

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

Layer 3 Status:

5 Active Layer 3 Call(s)

CCB:callid=D764, sapi=0, ces=0, B-chan=22, calltype=VOICE

CCB:callid=D7C9, sapi=0, ces=0, B-chan=20, calltype=VOICE

CCB:callid=3102, sapi=0, ces=0, B-chan=1, calltype=VOICE

CCB:callid=D7CC, sapi=0, ces=0, B-chan=21, calltype=VOICE

CCB:callid=310E, sapi=0, ces=0, B-chan=2, calltype=VOICE

Active dsl 1 CCBs = 5

The Free Channel Mask: 0x8047FFFC

Number of L2 Discards = 0, L2 Session ID = 4

Total Allocated ISDN CCBs = 6

I have a 3640 SIP gateway:

System image file is "flash:c3640-js-mz.124-12.bin"

Cisco 3640 (R4700) processor (revision 0x00) with 98304K/32768K bytes of memory

sh run attached

5 REPLIES
Hall of Fame Super Gold

Re: Hung calls in sh isdn active

Yes, sometime call reamins stuck and clear commands cannot do anything. Try latest maintenance for 12.4(12), if still the same it's matter for the TAC>

New Member

Re: Hung calls in sh isdn active

Is that the maintenance reachable through this page:

http://www.cisco.com/web/psa/products/tsd_products_support_maintain_and_operate.html

or somewhere else, could you advise?

Hall of Fame Super Gold

Re: Hung calls in sh isdn active

Hi, you need a support contract to download software for the router.

New Member

Re: Hung calls in sh isdn active

So would you know what release fixes it?

Hall of Fame Super Gold

Re: Hung calls in sh isdn active

I don't know, but you have no other choice than upgrade and hope. You can take debugs, but chances are they won't help if there is a bug in the isdn stack (happens often).

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