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SIP/2.0 503 Service Unavailable

sindan
Level 1
Level 1

This is the message i receive from an Adtran box that has a SIP trunk with a CUCM 7.1(3). Behind the Adtran i am trying to place a call:

TA904#

TA904#debug isdn l2-formatted

TA904#debug sip stack message

TA904#

TA904#

TA904#

TA904#

18:56:56 ISDN.L2_FMT PRI  1  ===================================================

==

18:56:56 ISDN.L2_FMT PRI  1  Recd = Sapi:00  C/R:R Tei:00

18:56:56 ISDN.L2_FMT PRI  1         Ctl:INFO     Ns:25   Nr:26

18:56:56 ISDN.L2_FMT PRI  1         Prot:08  CRL:2  CRV:000C

18:56:56 ISDN.L2_FMT PRI  1         M - 05 SETUP

18:56:56 ISDN.L2_FMT PRI  1          IE - 04 BEARER CAPABILITY   Len=3

18:56:56 ISDN.L2_FMT PRI  1               80 Xfer Cap.:SPEECH

18:56:56 ISDN.L2_FMT PRI  1               90 Xfer Rate:64k

18:56:56 ISDN.L2_FMT PRI  1               A2 Layer 1:u-Law

18:56:56 ISDN.L2_FMT PRI  1          IE - 18 CHANNEL ID          Len=3

18:56:56 ISDN.L2_FMT PRI  1               A9 Primary Rate

18:56:56 ISDN.L2_FMT PRI  1                  Intfc ID:IMPLICIT

18:56:56 ISDN.L2_FMT PRI  1                  Pref/Excl:EXCLUSIVE

18:56:56 ISDN.L2_FMT PRI  1                  D-Chan Indicated:NO

18:56:56 ISDN.L2_FMT PRI  1                  Chan. Sel:FOLLOWS

18:56:56 ISDN.L2_FMT PRI  1               83 Numb/Map:NUMBER

18:56:56 ISDN.L2_FMT PRI  1               97 Channel:23

18:56:56 ISDN.L2_FMT PRI  1          IE - 70 CALLED PARTY #      Len=12

18:56:56 ISDN.L2_FMT PRI  1               A1 Numb. Type:NATIONAL

18:56:56 ISDN.L2_FMT PRI  1                  Numb. Plan:ISDN/Telephony

18:56:56 ISDN.L2_FMT PRI  1                  Ph.# 12014075167

18:56:56 ISDN.L2_FMT PRI  1  ===================================================

==

18:56:56 ISDN.L2_FMT PRI  1  Sent = Sapi:00  C/R:C Tei:00

18:56:56 ISDN.L2_FMT PRI  1         Ctl:INFO     Ns:26   Nr:26

18:56:56 ISDN.L2_FMT PRI  1         Prot:08  CRL:2  CRV:800C

18:56:56 ISDN.L2_FMT PRI  1         M - 02 CALL_PROC

18:56:56 ISDN.L2_FMT PRI  1          IE - 18 CHANNEL ID          Len=3

18:56:56 ISDN.L2_FMT PRI  1               A9 Primary Rate

18:56:56 ISDN.L2_FMT PRI  1                  Intfc ID:IMPLICIT

18:56:56 ISDN.L2_FMT PRI  1                  Pref/Excl:EXCLUSIVE

18:56:56 ISDN.L2_FMT PRI  1                  D-Chan Indicated:NO

18:56:56 ISDN.L2_FMT PRI  1                  Chan. Sel:FOLLOWS

18:56:56 ISDN.L2_FMT PRI  1               83 Numb/Map:NUMBER

18:56:56 ISDN.L2_FMT PRI  1               97 Channel:23

18:56:56 SIP.STACK MSG     Tx: UDP src=10.230.253.222:5060 dst=10.100.253.100:50

60

18:56:56 SIP.STACK MSG         INVITE sip:12014075167@10.100.253.100:5060 SIP/2.

0

18:56:56 SIP.STACK MSG         From: <sip:9735971115@10.230.253.222:5060;transpo

rt=UDP>;tag=23c8750-0-13c4-147a-205a104a-147a

18:56:56 SIP.STACK MSG         To: <sip:12014075167@10.100.253.100:5060>

18:56:56 SIP.STACK MSG         Call-ID: 23edc68-0-13c4-147a-a6f918e-147a@10.230.

253.222

18:56:56 SIP.STACK MSG         CSeq: 1 INVITE

18:56:56 SIP.STACK MSG         Via: SIP/2.0/UDP 10.230.253.222:5060;branch=z9hG4

bK-147a-4fff76-57909b84

18:56:56 SIP.STACK MSG         Max-Forwards: 70

18:56:56 SIP.STACK MSG         Supported: 100rel,replaces

18:56:56 SIP.STACK MSG         Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OP

TIONS, PRACK, REFER, REGISTER

18:56:56 SIP.STACK MSG         User-Agent: ADTRAN_Total_Access_904_2nd_Gen/A2.06

.00.E

18:56:56 SIP.STACK MSG         Contact: <sip:9735971115@10.230.253.222:5060;tran

sport=UDP>

18:56:56 SIP.STACK MSG         Content-Type: application/SDP

18:56:56 SIP.STACK MSG         Content-Length: 268

18:56:56 SIP.STACK MSG

18:56:56 SIP.STACK MSG         v=0

18:56:56 SIP.STACK MSG         o=- 1218135416 1218135416 IN IP4 10.230.253.222

18:56:56 SIP.STACK MSG         s=-

18:56:56 SIP.STACK MSG         c=IN IP4 10.230.253.222

18:56:56 SIP.STACK MSG         t=0 0

18:56:56 SIP.STACK MSG         m=audio 10000 RTP/AVP 0 18 101

18:56:56 SIP.STACK MSG         a=rtpmap:0 PCMU/8000

18:56:56 SIP.STACK MSG         a=rtpmap:18 G729/8000

18:56:56 SIP.STACK MSG         a=fmtp:18 annexb=no

18:56:56 SIP.STACK MSG         a=silenceSupp:off - - - -

18:56:56 SIP.STACK MSG         a=rtpmap:101 telephone-event/8000

18:56:56 SIP.STACK MSG         a=fmtp:101 0-15

18:56:56 SIP.STACK MSG

18:56:56 SIP.STACK MSG     Rx: UDP src=10.100.253.100:5060 dst=10.230.253.222:50

60

18:56:56 SIP.STACK MSG         SIP/2.0 100 Trying

18:56:56 SIP.STACK MSG         Date: Fri, 13 May 2011 20:42:12 GMT

18:56:56 SIP.STACK MSG         From: <sip:9735971115@10.230.253.222:5060;transpo

rt=UDP>;tag=23c8750-0-13c4-147a-205a104a-147a

18:56:56 SIP.STACK MSG         Allow-Events: presence

18:56:56 SIP.STACK MSG         Content-Length: 0

18:56:56 SIP.STACK MSG         To: <sip:12014075167@10.100.253.100:5060>

18:56:56 SIP.STACK MSG         Call-ID: 23edc68-0-13c4-147a-a6f918e-147a@10.230.

253.222

18:56:56 SIP.STACK MSG         Via: SIP/2.0/UDP 10.230.253.222:5060;branch=z9hG4

bK-147a-4fff76-57909b84

18:56:56 SIP.STACK MSG         CSeq: 1 INVITE

18:56:56 SIP.STACK MSG

18:56:56 SIP.STACK MSG     Rx: UDP src=10.100.253.100:5060 dst=10.230.253.222:50

60

18:56:56 SIP.STACK MSG         SIP/2.0 503 Service Unavailable

18:56:56 SIP.STACK MSG         Date: Fri, 13 May 2011 20:42:12 GMT

18:56:56 SIP.STACK MSG         Warning: 399 TEXAS "Unable to find a device handl

er for the request received on port 5060 from 10.230.253.222"

18:56:56 SIP.STACK MSG         From: <sip:9735971115@10.230.253.222:5060;transpo

rt=UDP>;tag=23c8750-0-13c4-147a-205a104a-147a

18:56:56 SIP.STACK MSG         Allow-Events: presence

18:56:56 SIP.STACK MSG         Content-Length: 0

18:56:56 SIP.STACK MSG         To: <sip:12014075167@10.100.253.100:5060>;tag=161

441024

18:56:56 SIP.STACK MSG         Call-ID: 23edc68-0-13c4-147a-a6f918e-147a@10.230.

253.222

18:56:56 SIP.STACK MSG         Via: SIP/2.0/UDP 10.230.253.222:5060;branch=z9hG4

bK-147a-4fff76-57909b84

18:56:56 SIP.STACK MSG         CSeq: 1 INVITE

18:56:56 SIP.STACK MSG

18:56:56 SIP.STACK MSG     Tx: UDP src=10.230.253.222:5060 dst=10.100.253.100:50

60

18:56:56 SIP.STACK MSG         ACK sip:12014075167@10.100.253.100:5060;transport

=UDP SIP/2.0

18:56:56 SIP.STACK MSG         From: <sip:9735971115@10.230.253.222:5060;transpo

rt=UDP>;tag=23c8750-0-13c4-147a-205a104a-147a

18:56:56 SIP.STACK MSG         To: <sip:12014075167@10.100.253.100:5060>;tag=161

441024

18:56:56 SIP.STACK MSG         Call-ID: 23edc68-0-13c4-147a-a6f918e-147a@10.230.

253.222

18:56:56 SIP.STACK MSG         CSeq: 1 ACK

18:56:56 SIP.STACK MSG         Via: SIP/2.0/UDP 10.230.253.222:5060;branch=z9hG4

bK-147a-4fff76-57909b84

18:56:56 SIP.STACK MSG         Max-Forwards: 70

18:56:56 SIP.STACK MSG         Supported: 100rel,replaces

18:56:56 SIP.STACK MSG         Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OP

TIONS, PRACK, REFER, REGISTER

18:56:56 SIP.STACK MSG         User-Agent: ADTRAN_Total_Access_904_2nd_Gen/A2.06

.00.E

18:56:56 SIP.STACK MSG         Contact: <sip:9735971115@10.230.253.222:5060;tran

sport=UDP>

18:56:56 SIP.STACK MSG         Content-Length: 0

18:56:56 SIP.STACK MSG

18:56:56 ISDN.L2_FMT PRI  1  ===================================================

==

18:56:56 ISDN.L2_FMT PRI  1  Sent = Sapi:00  C/R:C Tei:00

18:56:56 ISDN.L2_FMT PRI  1         Ctl:INFO     Ns:27   Nr:26

18:56:56 ISDN.L2_FMT PRI  1         Prot:08  CRL:2  CRV:800C

18:56:56 ISDN.L2_FMT PRI  1         M - 45 DISCONNECT

18:56:56 ISDN.L2_FMT PRI  1          IE - 08 CAUSE               Len=2

18:56:56 ISDN.L2_FMT PRI  1               82 Location:LN

18:56:56 ISDN.L2_FMT PRI  1               A9 Cause:41 (TEMPORARY_FAILURE)

18:56:57 ISDN.L2_FMT PRI  1  ===================================================

==

18:56:57 ISDN.L2_FMT PRI  1  Recd = Sapi:00  C/R:R Tei:00

18:56:57 ISDN.L2_FMT PRI  1         Ctl:INFO     Ns:26   Nr:28

18:56:57 ISDN.L2_FMT PRI  1         Prot:08  CRL:2  CRV:000C

18:56:57 ISDN.L2_FMT PRI  1         M - 4D RELEASE

18:56:57 ISDN.L2_FMT PRI  1  ===================================================

==

18:56:57 ISDN.L2_FMT PRI  1  Sent = Sapi:00  C/R:C Tei:00

18:56:57 ISDN.L2_FMT PRI  1         Ctl:INFO     Ns:28   Nr:27

18:56:57 ISDN.L2_FMT PRI  1         Prot:08  CRL:2  CRV:800C

18:56:57 ISD_FMT PRI  1         M - 5A RELEASE_CMP

I  think the question is how would the CUCM know how to route the call caming through the SIP trunk.

The trunk at the bottom is the one in discussion.

2 Replies 2

mudmathu
Cisco Employee
Cisco Employee

Hi Sindan,

looking at the debugs it seems that the CUCM does not know where to route the call and thus you are getting this error.

Can you please provide me the call flow so that we can check where to route the calls, example ::

Service Provider -> PRI -> G/w ->  SIP -> CUCM -> ??

Also can you make a test call and run the debug "debug ccsip messages" and provide the output.

Thanks

Mudit

Found that the CCM server in the CCM group in the Device Pool was listed as a secondary. Rearanging them fixed the problem.