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Intermittent Call Rejection UNASSIGNED_NUMBER

I have an Total Access 908e (3rd Gen) with a SIP trunk in and a 2 ISDN PRIs out to  a subscribers Phone system,     intermittently (like every 3rd or 4th call) on outbound calls from the Customers PBX calls are rejected by the TA,    when that happens I see the call attempt in the ISDN Debug, looks like the TA is disconnecting the call with a cause code of (UNASSIGNED_NUMBER)  however it never send an INVITE out the SIP trunk to my switch, My assumption is that the customers PBX is sending something invalid on theses calls but I can tell what from the debug  

Any help is appreciated!

Thanks

Voice Config

!

!

voice feature-mode network

voice forward-mode network

voice conferencing-mode local

!

!

!

!

voice spre 1 *[12345689]X&

voice spre 2 *78&

voice spre 3 *77

voice spre 4 *75XX&

voice spre 5 *73

voice spre 6 *72&

voice spre 7 *70

voice spre 8 *67&

voice spre 9 *55

!

!

!

!

voice dial-plan 1 international 011-N$

voice dial-plan 2 local M11

voice dial-plan 3 local NXX-NXX-XXXX

voice dial-plan 4 local [01]911

voice dial-plan 5 local [01][235678]11

voice dial-plan 6 long-distance 1-NXX-NXX-XXXX

voice dial-plan 7 operator-assisted 00

voice dial-plan 8 operator-assisted 0[23456789]1[023456789]XXXXXXX

voice dial-plan 9 operator-assisted 0[23456789][023456789]XXXXXXXX

voice dial-plan 10 operator-assisted [01]411

voice dial-plan 11 specify-carrier 101XXXX$

!

!

!

!

voice codec-list Default_List

  codec g711ulaw

  codec g729

!

!

voice trunk-list CPE_TRK_ISDN

  trunk T20

!

voice trunk-list NET_TRK_245

  trunk T10

!

!

voice trunk T10 type sip

  description "Trunk to Voice Access Network SIP_245"

  sip-server primary <SIP IP>

  outbound-proxy primary <proxy IP>

  dial-string source to

  hmr SIP_META out

  register XXXXXX auth-name "XXXXXX" password encrypted "XXXXXX"

  codec-list Default_List both

  authentication username "XXXXXX" password encrypted "XXXXXXX"

!

voice trunk T20 type isdn

  description "Trunk to CPE ISDN"

  resource-selection linear ascending

  connect isdn-group 1

  no early-cut-through

  rtp delay-mode adaptive

  rtp dtmf-relay nte 111

  codec-list Default_List

!

!

voice grouped-trunk NETWORK_245

  description "Inside to Outside"

  trunk T10

  accept $ cost 0

  permit list CPE_TRK_ISDN

  !deny all other trunks

  !deny all other ani

!

!

voice grouped-trunk CPE_ISDN

  description "Outside to Inside"

  trunk T20

  accept $ cost 0

  permit list NET_TRK_245

  !deny all other trunks

  !deny all other ani

!

!

!

!

!      

!

FAILED CALL

11:51:07.054 ISDN.EP     PRI 1  Incoming call to '8003069329' accepted

11:51:07.054 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.055 ISDN.L2_MSG PRI  1  T 00 01 01 42

11:51:07.055 ISDN.L2_FMT PRI  1 Sapi:00 C/R:R Tei:00 Ctl:RR    Nr:33  P/F:0

11:51:07.055 ISDN.L2_FMT PRI  1  ==============================================

11:51:07.055 ISDN.L2_MSG PRI  1  T 02 01 58 42 08 02 83 95 02 18 03 A9 83 97

11:51:07.055 ISDN.L2_FMT PRI  1 Sapi:00 C/R:C Tei:00 INFO Ns:44  Nr:33  P:0

11:51:07.055 ISDN.L2_FMT PRI  1 Prot:08  CRL:2  CRV:8395

11:51:07.055 ISDN.L2_FMT PRI  1    M - 02 CALL_PROC  

11:51:07.055 ISDN.L2_FMT PRI  1 IE - 18 CHANNEL ID          Len=3

11:51:07.056 ISDN.L2_FMT PRI 1          A9 Primary Rate

11:51:07.056 ISDN.L2_FMT PRI 1             Intfc ID:IMPLICIT

11:51:07.056 ISDN.L2_FMT PRI 1 Pref/Excl:EXCLUSIVE

11:51:07.056 ISDN.L2_FMT PRI 1 D-Chan Indicated:NO

11:51:07.056 ISDN.L2_FMT PRI 1             Chan. Sel:FOLLOWS

11:51:07.056 ISDN.L2_FMT PRI 1          83 Numb/Map:NUMBER

11:51:07.056 ISDN.L2_FMT PRI 1          97 Channel:23

11:51:07.057 ISDN.EP     PRI 1  Call to '8003069329' cleared from this end

11:51:07.058 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.058 ISDN.L2_MSG PRI  1  T 02 01 5A 42 08 02 83 95 45 08 02 82 81

11:51:07.058 ISDN.L2_FMT PRI  1 Sapi:00 C/R:C Tei:00 INFO Ns:45  Nr:33  P:0

11:51:07.058 ISDN.L2_FMT PRI  1 Prot:08  CRL:2  CRV:8395

11:51:07.058 ISDN.L2_FMT PRI  1    M - 45 DISCONNECT 

11:51:07.058 ISDN.L2_FMT PRI  1 IE - 08 CAUSE               Len=2

11:51:07.058 ISDN.L2_FMT PRI 1          82 Location:LN

11:51:07.059 ISDN.L2_FMT PRI 1          81 Cause:1 (UNASSIGNED_NUMBER)

11:51:07.059 ISDN.CC_MSG PRI  1  Host>>CC: 00 0492 DISC_REQ

11:51:07.059 ISDN.CC_IE  PRI 1     ie: 00 08 04 00 82 00 81

11:51:07.061 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.062 ISDN.L2_MSG PRI  1  R 02 01 01 5A

11:51:07.062 ISDN.L2_FMT PRI  1 Sapi:00 C/R:C Tei:00 Ctl:RR    Nr:45  P/F:0

11:51:07.064 ISDN.L2_FMT PRI  1  ==============================================

11:51:07.064 ISDN.L2_MSG PRI  1  R 02 01 01 5C

11:51:07.064 ISDN.L2_FMT PRI  1 Sapi:00 C/R:C Tei:00 Ctl:RR    Nr:46  P/F:0

11:51:07.085 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.085 ISDN.L2_MSG PRI  1  R 00 01 42 5C 08 02 03 95 4D

11:51:07.085 ISDN.L2_FMT PRI  1 Sapi:00 C/R:R Tei:00 INFO Ns:33  Nr:46  P:0

11:51:07.086 ISDN.L2_FMT PRI  1 Prot:08  CRL:2  CRV:0395

11:51:07.086 ISDN.L2_FMT PRI  1    M - 4D RELEASE    

11:51:07.086 ISDN.CC_MSG PRI  1  CC>>Host: 02 0492 CLEAR_CONF

11:51:07.086 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.086 ISDN.L2_MSG PRI  1  T 00 01 01 44

11:51:07.087 ISDN.L2_FMT PRI  1 Sapi:00 C/R:R Tei:00 Ctl:RR    Nr:34  P/F:0

11:51:07.087 ISDN.L2_FMT PRI  1 ==============================================

11:51:07.087 ISDN.L2_MSG PRI  1  T 02 01 5C 44 08 02 83 95 5A

11:51:07.087 ISDN.L2_FMT PRI  1 Sapi:00 C/R:C Tei:00 INFO Ns:46  Nr:34  P:0

11:51:07.087 ISDN.L2_FMT PRI  1    Prot:08 CRL:2  CRV:8395

11:51:07.087 ISDN.L2_FMT PRI  1    M - 5A RELEASE_CMP

  11:51:07.087 ISDN.RES_MGR Releasing inbound channel, called number 8003069329

SUCCESSFULL CALL

11:49:09.351 ISDN.L2_FMT PRI  1 ==============================================

11:49:09.351 ISDN.L2_MSG PRI  1  R 00 01 CC 56 08 02 03 97 05 04 03 80 90 A2

11:49:09.351 ISDN.L2_MSG PRI  1    18 03 A9 83 97 6C 0C 00 81 38 31 32 38 38

11:49:09.351 ISDN.L2_MSG PRI  1    38 34 30 30 30 70 0B 80 38 30 30 33 30 36

11:49:09.351 ISDN.L2_MSG PRI  1    39 33 32 39

11:49:09.351 ISDN.L2_FMT PRI  1 Sapi:00 C/R:R Tei:00 INFO Ns:102 Nr:43  P:0

11:49:09.352 ISDN.L2_FMT PRI  1    Prot:08 CRL:2  CRV:0397

11:49:09.352 ISDN.L2_FMT PRI  1    M - 05 SETUP      

11:49:09.352 ISDN.L2_FMT PRI  1 IE - 04 BEARER CAPABILITY   Len=3

11:49:09.352 ISDN.L2_FMT PRI 1          80 Xfer Cap.:SPEECH           

11:49:09.352 ISDN.L2_FMT PRI 1          90 Xfer Rate:64k  

11:49:09.352 ISDN.L2_FMT PRI 1          A2 Layer 1:G.711 U-Law   

11:49:09.352 ISDN.L2_FMT PRI  1 IE - 18 CHANNEL ID          Len=3

11:49:09.352 ISDN.L2_FMT PRI 1          A9 Primary Rate

11:49:09.353 ISDN.L2_FMT PRI  1 Intfc ID:IMPLICIT

11:49:09.353 ISDN.L2_FMT PRI 1 Pref/Excl:EXCLUSIVE

11:49:09.353 ISDN.L2_FMT PRI 1 D-Chan Indicated:NO

11:49:09.353 ISDN.L2_FMT PRI 1             Chan. Sel:FOLLOWS

11:49:09.353 ISDN.L2_FMT PRI 1          83 Numb/Map:NUMBER

11:49:09.353 ISDN.L2_FMT PRI 1          97 Channel:23

11:49:09.353 ISDN.L2_FMT PRI  1 IE - 6C CALLING PARTY #     Len=12

11:49:09.354 ISDN.L2_FMT PRI 1          00 Numb. Type:UNKNOWN      

11:49:09.354 ISDN.L2_FMT PRI 1             Numb. Plan:UNKNOWN       

11:49:09.354 ISDN.L2_FMT PRI 1          81 Presentation:ALLOWED    

11:49:09.354 ISDN.L2_FMT PRI 1 Screening:NTWK SCRN PASS

11:49:09.354 ISDN.L2_FMT PRI 1             Ph.# XXXXXXXXXX      <<<<    substituted for calling number

11:49:09.354 ISDN.L2_FMT PRI  1 IE - 70 CALLED PARTY #      Len=11

11:49:09.354 ISDN.L2_FMT PRI 1          80 Numb. Type:UNKNOWN      

11:49:09.354 ISDN.L2_FMT PRI 1             Numb. Plan:UNKNOWN       

11:49:09.354 ISDN.L2_FMT PRI 1             Ph.# 8003069329

11:49:09.355 ISDN.CC_MSG PRI  1  CC>>Host: 02 08fc SETUP_IND

11:49:09.355 ISDN.CC_IE  PRI 1     ie: 00 04 0A 80 80 80 90 00 00 00 00 00 82

11:49:09.355 ISDN.CC_IE  PRI 1     ie: 00 18 0B 81 81 80 81 00 00 80 03 40 00 00

11:49:09.355 ISDN.CC_IE  PRI 1     ie: 00 6C 0E 80 80 80 81 38 31 32 38 38 38 34 30 30 30

11:49:09.355 ISDN.CC_IE  PRI 1     ie: 00 70 0C 80 80 38 30 30 33 30 36 39 33 32 39

11:49:09.355 ISDN.EP     PRI 1  Incoming call :'8003069329' from '8128884000'.

11:49:09.355 ISDN.CC_MSG PRI  1  Host>>CC: 00 08fc CALL_PROCEEDING_REQ

11:49:09.356 ISDN.CC_IE  PRI 1     ie: 00 18 0B 81 81 80 81 80 00 80 03 40 00 00

11:49:09.356 ISDN.RES_MGR Reserving an inbound channel.

  11:49:09.356 ISDN.RES_MGR Searching for matching ISDN Group

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Re: Intermittent Call Rejection UNASSIGNED_NUMBER

Is this capture from the Adtran or from the PRI on the PBX? Is a PBX user calling 800-306-9329 or does that number terminate on the PBX?

A "debug voice verbose" on the Adtran would help debug. Note that with SABR set up the way you have it, the Adtran will not "hairpin" calls from the PBX back to the PBX.

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