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debug isdn q931 invalid information element

12.4.24T2 with CME7.1/H323

SDCVWRT-5204-2#debug isdn q931

Jan 30 16:37:55.915: ISDN Se0/0/0:23 Q931: Applying typeplan for sw-type 0x3 is 0x2 0x1, Calling num 2123805999

Jan 30 16:37:55.915: ISDN Se0/0/0:23 Q931: Sending SETUP  callref = 0x00C0 callID = 0x8041 switch = primary-5ess interface = User

Jan 30 16:37:55.915: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8  callref = 0x00C0

        Bearer Capability i = 0x8090A2

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98397

                Exclusive, Channel 23

        Calling Party Number i = 0x2180, '2123805999'

                Plan:ISDN, Type:National

        Called Party Number i = 0xA1, '9044914588'

                Plan:ISDN, Type:National

Jan 30 16:37:55.979: ISDN Se0/0/0:23 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80C0

        Cause i = 0x82E418 - Invalid information element contents

SDCVWRT-5204-2#show run | begin dial-peer

dial-peer voice 91904 pots

destination-pattern 91..........

incoming called-number .

direct-inward-dial

port 0/0/0:23

forward-digits 10

!

dial-peer voice 4 voip

destination-pattern 4...

session target ipv4:10.89.224.1

incoming called-number .

codec g711ulaw

Below is what telco is saying….anyone else seen this?

3109:

The switch received a Q.931 SETUP message from the customer premises equipment (CPE) on a primary rate interface (PRI) D-channel, but the message contained an invalid channel identification information element (IE).

2019:

The switch transmitted an information frame and did not receive an  acknowledgement in T200 time units from the far end. The switch proceeded to poll the far end with a LAPD receiver ready (RR) or receiver not ready (RNR) frame. The RR or RNR was re-transmitted N200 times (with each RR or RNR retransmitted every T200 time units) and got no response from the far end. An RR or RNR frame should be the response

6 REPLIES
Hall of Fame Super Gold

Re: debug isdn q931 invalid information element

Try:

interface se0/0/0:23

isdn map address . plan unknown type unknown

Also, you should send 11 digits for LD calls.


Blaming L2 is completely off-base.

Re: debug isdn q931 invalid information element


I changed type/plan and tested with both 10 digits and 11 digits and still getting same error message. Any other ideas?

SDCVWRT-5204-2#
Jan 30 17:20:58.011: ISDN Se0/0/0:23 Q931: Applying typeplan for sw-type 0x3 is 0x0 0x0, Calling num 2123805999
Jan 30 17:20:58.011: ISDN Se0/0/0:23 Q931: Sending SETUP  callref = 0x00C5 callID = 0x8046 switch = primary-5ess interface = User
Jan 30 17:20:58.011: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8  callref = 0x00C5
        Bearer Capability i = 0x8090A2
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA98397
                Exclusive, Channel 23
        Calling Party Number i = 0x0080, '2123805999'
                Plan:Unknown, Type:Unknown
        Called Party Number i = 0x80, '19043383245'
                Plan:Unknown, Type:Unknown
Jan 30 17:20:58.075: ISDN Se0/0/0:23 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80C5
        Cause i = 0x82E418 - Invalid information element contents

Hall of Fame Super Gold

Re: debug isdn q931 invalid information element

The setup message is 100% correct. The switch is either misconfigured or faulty.

They may try to blame it back to you as telcos always do, but stand firm, ask them to come on premises and place a call using their test equipment, and be shown the trace.

Re: debug isdn q931 invalid information element

debug voip ccapi inout attached

Cisco Employee

Re: debug isdn q931 invalid information element

have you checked you telco is using: primary-5ess as switch type ?? although it may be used most common is NI.

Hall of Fame Super Gold

Re: debug isdn q931 invalid information element

Efrain,

setup messages from the router are identical for any type of switch.

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