[Serusers] PRACK

harry gaillac gaillacharry at yahoo.fr
Thu Jun 23 11:23:00 CEST 2005 

Hello Dana

read RFC3262:
http://www.faqs.org/rfcs/rfc3262.html

harry
--- Dana Turcanu <dana_turcanu at yahoo.com> a écrit :

>    Hello,
> 
> I have a problem with tow Cisco ATA 186 both having
> version v3.2. When I try to make a call on my side I
> hear that the phone is ringing 3 times and then the
> call is disconnected. On the other side, the
> telephone
> is ringing  10 times. I belive that the problem is
> when one Cisco sends a PRACK packet and and it
> receive
> "420 Bad request" from de sip server. Then the call
> is
> disconnected with error "504 Gateway Time-out".
> Below
> I put the logs from the tow ATAs. Any help in
> solving
> this problem will be appreciated.
> 
>   Thanks.
> 
> 
> Call from: 3327xxxx to 33271yyyy (log from the
> calling
> ATA):
> 
>
=====================================================
> 050620|11:48:28 Calling 0332yyyy
> 050620|11:48:28 SCC Cmd[0:0]CLIP
> 050620|11:48:28 SCC Cmd[0:0]CALL
> 050620|11:48:28 [0]INVITE Retry 0
> 050620|11:48:28 [0:0]Tx Msg to ip_sip_proxy:5060
> 050620|11:48:28
> 050620|11:48:28 INVITE
> sip:0332yyyy at domain.com;user=phone SIP/2.0
> 050620|11:48:28 Via: SIP/2.0/UDP
> ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296
> 050620|11:48:28 From: 
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:28 To:
> <sip:0332yyyy at domain.com;user=phone>
> 050620|11:48:28 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:28 CSeq: 1 INVITE
> 050620|11:48:28 Contact: 
> <sip:332xxxx at ip_ata_1:5060;user=phone;transport=udp>
> 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
> atasip (041111A)
> 050620|11:48:28 Expires: 300
> 050620|11:48:28 Allow: ACK, BYE, CANCEL, INVITE,
> NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
> 050620|11:48:28 Supported: 100rel,replaces
> 050620|11:48:28 Content-Length: 236
> 050620|11:48:28 Content-Type: application/sdp
> 050620|11:48:28
> 050620|11:48:28 v=0
> 050620|11:48:28 o=332xxxx 57793347 57793347 IN IP4
> ip_ata_1
> 050620|11:48:28 s=ATA186 Call
> 050620|11:48:28 c=IN IP4 ip_ata_1
> 050620|11:48:28 t=0 0
> 050620|11:48:28 m=audio 16384 RTP/AVP 8 0 101
> 050620|11:48:28 a=rtpmap:8 PCMA/8000/1
> 050620|11:48:28 a=rtpmap:0 PCMU/8000/1
> 050620|11:48:28 a=rtpmap:101 telephone-event/8000
> 050620|11:48:28 a=fmtp:101 0-15
> 050620|11:48:28
> 050620|11:48:28 [0]Rx Msg from ip_sip_server:5060
> 050620|11:48:28
> 050620|11:48:28 SIP/2.0 407 Proxy Authentication
> Required
> 050620|11:48:28 Via: SIP/2.0/UDP
>
ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296;rport=5060;received=ip_ata_1_nat
> 050620|11:48:28 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:28 To:
>
<sip:0332yyyy at domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.6542
> 050620|11:48:28 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:28 CSeq: 1 INVITE
> 050620|11:48:28 Proxy-Authenticate: Digest
> realm="domain.com", nonce="rrrr"
> 050620|11:48:28 Server: Sip EXpress router (0.8.14-5
> (i386/linux))
> 050620|11:48:28 Content-Length: 0
> 050620|11:48:28
> 050620|11:48:28
> 050620|11:48:28 Response=407; Proxy Authentication
> Required
> 050620|11:48:28 [0]Tx INVITE to ip_sip_server:5060
> 050620|11:48:28
> 050620|11:48:28 ACK
> sip:0332yyyy at domain.com;user=phone
> SIP/2.0
> 050620|11:48:28 Via: SIP/2.0/UDP
> ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296
> 050620|11:48:28 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:28 To:
>
<sip:0332yyyy at domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.6542
> 050620|11:48:28 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:28 CSeq: 1 ACK
> 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
> atasip (041111A)
> 050620|11:48:28 Content-Length: 0
> 050620|11:48:28
> 050620|11:48:28
> 050620|11:48:28 [0]INVITE Retry 0
> 050620|11:48:28 [0:0]Tx Msg to ip_sip_server:5060
> 050620|11:48:28
> 050620|11:48:28 INVITE
> sip:0332yyyy at domain.com;user=phone SIP/2.0
> 050620|11:48:28 Via: SIP/2.0/UDP
> ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527
> 050620|11:48:28 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:28 To:
> <sip:0332yyyy at domain.com;user=phone>
> 050620|11:48:28 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:28 CSeq: 2 INVITE
> 050620|11:48:28 Contact:
> <sip:332xxxx at ip_ata_1:5060;user=phone;transport=udp>
> 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
> atasip (041111A)
> 050620|11:48:28 Proxy-Authorization: Digest
>
username="332xxxx",realm="domain.com",nonce="rrrr",uri="sip:03
> 32yyyy at domain.com",response="ihuhuh"
> 050620|11:48:28 Expires: 300
> 050620|11:48:28 Allow: ACK, BYE, CANCEL, INVITE,
> NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
> 050620|11:48:28 Supported: 100rel,replaces
> 050620|11:48:28 Content-Length: 236
> 050620|11:48:28 Content-Type: application/sdp
> 050620|11:48:28
> 050620|11:48:28 v=0
> 050620|11:48:28 o=332xxxx 57793355 57793355 IN IP4
> ip_ata_1
> 050620|11:48:28 s=ATA186 Call
> 050620|11:48:28 c=IN IP4 ip_ata_1
> 050620|11:48:28 t=0 0
> 050620|11:48:28 m=audio 16384 RTP/AVP 8 0 101
> 050620|11:48:28 a=rtpmap:8 PCMA/8000/1
> 050620|11:48:28 a=rtpmap:0 PCMU/8000/1
> 050620|11:48:28 a=rtpmap:101 telephone-event/8000
> 050620|11:48:28 a=fmtp:101 0-15
> 050620|11:48:28
> 050620|11:48:28 [0]Rx Msg from ip_sip_server:5060
> 050620|11:48:28
> 050620|11:48:28 SIP/2.0 100 Trying
> 050620|11:48:28 Via: SIP/2.0/UDP
>
ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527;rport=5060;received=ip_ata_1_nat
> 050620|11:48:28 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:28 To:
> <sip:0332yyyy at domain.com;user=phone>
> 050620|11:48:28 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:28 CSeq: 2 INVITE
> 050620|11:48:28 Server: Sip EXpress router (0.8.14-5
> (i386/linux))
> 050620|11:48:28 Content-Length: 0
> 050620|11:48:28
> 050620|11:48:28
> 050620|11:48:28 Response=100; Trying
> 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
> 050620|11:48:29
> 050620|11:48:29 SIP/2.0 100 trying -- your call is
> important to us
> 050620|11:48:29 Via: SIP/2.0/UDP
>
ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527;rport=5060;received=ip_ata_1_nat
> 050620|11:48:29 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:29 To:
> <sip:0332yyyy at domain.com;user=phone>
> 050620|11:48:29 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:29 CSeq: 2 INVITE
> 050620|11:48:29 Server: Sip EXpress router (0.8.14-5
> (i386/linux))
> 050620|11:48:29 Content-Length: 0
> 050620|11:48:29
> 050620|11:48:29
> 050620|11:48:29 Response=100; Trying
> 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
> 050620|11:48:29
> 050620|11:48:29 SIP/2.0 180 Ringing
> 050620|11:48:29 Via: SIP/2.0/UDP
>
ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
> 050620|11:48:29 From:
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> 050620|11:48:29 To:
> <sip:0332yyyy at domain.com;user=phone>;tag=811613285
> 050620|11:48:29 Call-ID: 2133411222 at ip_ata_1
> 050620|11:48:29 CSeq: 2 INVITE
> 050620|11:48:29 Require: 100rel
> 050620|11:48:29 RSeq: 1
> 050620|11:48:29 Contact:
> <sip:332yyyy at ip_ata_2:5060;user=phone;transport=udp>
> 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
> (041111A)
> 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
> NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
> 050620|11:48:29 Content-Length: 0
> 050620|11:48:29
> 050620|11:48:29
> 050620|11:48:29 Response=180; Ringing
> 
=== message truncated ===



	

	
		
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