After 3 ring a call auto disconnect.And get a message "resource unavailable

Unanswered Question
May 4th, 2008

Topology: Phone(31295)----EricssonPBX-(PRI-E1/QSIG)--3725Router--(MGCP)-UC601----IP Phone(30801)

What may be the cause of resource unavailable, unspecified disconnect message ?

When I try to place a call towards PBX that is from 30801 to 31295. I receive this error after 3 rings.

I get the following debug output:

Router#

Apr 29 09:42:32.126: ISDN Se1/0:15 Q931: TX -> SETUP pd = 8 callref = 0x0002

Sending Complete

Bearer Capability i = 0x8090A3

Standard = CCITT

Transfer Capability = Speech

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98381

Exclusive, Channel 1

Facility i = 0x9FAA06800100820100A10D02010002010080053330383031

Calling Party Number i = 0x0181, '30801'

Plan:ISDN, Type:Unknown

Called Party Number i = 0x80, '31295'

Plan:Unknown, Type:Unknown

Apr 29 09:42:32.230: ISDN Se1/0:15 Q931: RX <- CALL_PROC pd = 8 callref = 0x8002

Channel ID i = 0xA98381

Exclusive, Channel 1

Progress Ind i = 0x8181 - Call not end-to-end ISDN, may have in-band info

Apr 29 09:42:32.326: ISDN Se1/0:15 Q931: RX <- ALERTING pd = 8 callref = 0x8002

Progress Ind i = 0x8182 - Destination address is non-ISDN

Apr 29 09:42:44.363: ISDN Se1/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0x0002

Cause i = 0x81AF - Resource unavailable, unspecified

Apr 29 09:42:44.419: ISDN Se1/0:15 Q931: RX <- RELEASE pd = 8 callref = 0x8002

Cause i = 0x81AF - Resource unavailable, unspecified

Apr 29 09:42:44.443: ISDN Se1/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x0002

Router#

I have this problem too.
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gogasca Mon, 05/05/2008 - 21:30

Failing for all calls? Or only this extension

Could you please attach CCM SDI detailed trace.

Codec in voip side for MGCP is G711 or G729?

Let us know

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