Seems like SER does not respond back to CANCEL
Requests. Is this a issue / some config problem on my
side? ngrep traces attached
interface: eth0 (192.168.0.0/255.255.255.0)
filter: ip and ( port 5060 )
#
U 192.168.0.2:5062 -> 192.168.0.5:5060
INVITE sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.2:5062;r
port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voi
p.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>..Contact: <sip:10
2@192.168.0.2:5062>..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.
0.2..CSeq: 940 INVITE..Max-Forwards:
70..Content-Type: application/sdp..Use
r-Agent: X-Lite release 1103m..Content-Length:
258....v=0..o=102 7659613 76
59633 IN IP4 192.168.0.2..s=X-Lite..c=IN IP4
192.168.0.2..t=0 0..m=audio 80
00 RTP/AVP 0 8 3 98 96..a=rtpmap:0
pcmu/8000..a=rtpmap:8 pcma/8000..a=rtpma
p:3 gsm/8000..a=rtpmap:98 iLBC/8000..a=rtpmap:96
telephone-event/8000..a=fm
tp:96 0-15..
#
U 192.168.0.5:5060 -> 192.168.0.2:5062
SIP/2.0 100 trying -- your call is important to
us..Via: SIP/2.0/UDP 192.16
8.0.2:5062;rport=5062;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voip.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>.
.Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88@192.168.0.2..CSeq:
940 INVIT
E..Server: Sip EXpress router (0.9.2
(i386/linux))..Content-Length: 0..Warn
ing: 392 192.168.0.5:5060 "Noisy feedback tells:
pid=2943 req_src_ip=192.1
68.0.2 req_src_port=5062
in_uri=sip:9999999999@voip.com out_uri=sip:9999999
999(a)voip.com via_cnt==1"....
#
U 192.168.0.5:5060 -> 192.168.0.3:5060
INVITE sip:9999999999@voip.com
SIP/2.0..Record-Route: <sip:192.168.0.5;ftag
=3282942385;lr=on>..Via: SIP/2.0/UDP
192.168.0.5;branch=z9hG4bKe034.1018c5d
1.0..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;branch=z9hG4bKE29503D9D8C
F4A479B6D9DDB17C5CFC1..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To
: <sip:9999999999@voip.com>..Contact:
<sip:102@192.168.0.2:5062>..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88@192.168.0.2..CSeq:
940 INVITE..Max-For
wards: 16..Content-Type:
application/sdp..User-Agent: X-Lite release 1103m.
.Content-Length: 258....v=0..o=102 7659613 7659633
IN IP4 192.168.0.2..s=X-
Lite..c=IN IP4 192.168.0.2..t=0 0..m=audio 8000
RTP/AVP 0 8 3 98 96..a=rtpm
ap:0 pcmu/8000..a=rtpmap:8 pcma/8000..a=rtpmap:3
gsm/8000..a=rtpmap:98 iLBC
/8000..a=rtpmap:96 telephone-event/8000..a=fmtp:96
0-15..
#
U 192.168.0.3:5060 -> 192.168.0.5:5060
SIP/2.0 100 Trying..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To: <
sip:9999999999@voip.com>..Call-Id:
29469D19-CDF1-49ED-8245-A67E1B1DBB88@192
.168.0.2..Cseq: 940 INVITE..Via: SIP/2.0/UDP
192.168.0.5;branch=z9hG4bKe034
.1018c5d1.0..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;branch=z9hG4bKE29
503D9D8CF4A479B6D9DDB17C5CFC1..Content-Length: 0....
#
U 192.168.0.3:5060 -> 192.168.0.5:5060
SIP/2.0 180 Ringing..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>;tag=27378..Call-Id:
29469D19-CDF1-49ED-8245-A67E1
B1DBB88@192.168.0.2..Cseq: 940 INVITE..Via:
SIP/2.0/UDP 192.168.0.5;branch=
z9hG4bKe034.1018c5d1.0..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;branch
=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..Date: Mon,
23 May 2005 22:15:14 G
MT..Contact: sip:192.168.0.3..User-Agent: sipX/2.5.2
(WinNT)..Accept-Langua
ge: en..Allow: INVITE, ACK, CANCEL, BYE, REFER,
OPTIONS, NOTIFY, REGISTER,
SUBSCRIBE..Supported: sip-cc, sip-cc-01, timer,
replaces..Content-Length: 0
....
#
U 192.168.0.5:5060 -> 192.168.0.2:5062
SIP/2.0 180 Ringing..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>;tag=27378..Call-Id:
29469D19-CDF1-49ED-8245-A67E1
B1DBB88@192.168.0.2..Cseq: 940 INVITE..Via:
SIP/2.0/UDP 192.168.0.2:5062;rp
ort=5062;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..Date:
Mon, 23 May
2005 22:15:14 GMT..Contact:
sip:192.168.0.3..User-Agent: sipX/2.5.2 (WinNT)
..Accept-Language: en..Allow: INVITE, ACK, CANCEL,
BYE, REFER, OPTIONS, NOT
IFY, REGISTER, SUBSCRIBE..Supported: sip-cc,
sip-cc-01, timer, replaces..Co
ntent-Length: 0....
#
U 192.168.0.2:5062 -> 192.168.0.5:5060
CANCEL sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.2:5062;r
port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voi
p.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>..Contact: <sip:10
2@192.168.0.2:5062>..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.
0.2..CSeq: 940 CANCEL..Max-Forwards: 70..User-Agent:
X-Lite release 1103m..
Content-Length: 0....
#
U 192.168.0.2:5062 -> 192.168.0.5:5060
CANCEL sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.2:5062;r
port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voi
p.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>..Contact: <sip:10
2@192.168.0.2:5062>..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.
0.2..CSeq: 940 CANCEL..Max-Forwards: 70..User-Agent:
X-Lite release 1103m..
Content-Length: 0....
#
U 192.168.0.2:5062 -> 192.168.0.5:5060
CANCEL sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.2:5062;r
port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voi
p.com:5062>;tag=3282942385..To:
<sip:9999999999@voip.com>..Contact: <sip:10
2@192.168.0.2:5062>..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.
0.2..CSeq: 940 CANCEL..Max-Forwards: 70..User-Agent:
X-Lite release 1103m..
Content-Length: 0....
#
U 192.168.0.5:5060 -> 192.168.0.2:5062
SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;b
ranch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voip.com:
5062>;tag=3282942385..To:
<sip:9999999999@voip.com>;tag=a6a1c5f60faecf035a1
ae5b6e96e979a-6e9f..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.0
.2..CSeq: 940 INVITE..Server: Sip EXpress router
(0.9.2 (i386/linux))..Cont
ent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy
feedback tells: pid=29
51 req_src_ip=192.168.0.2 req_src_port=5062
in_uri=sip:9999999999@voip.com
out_uri=sip:9999999999@voip.com via_cnt==0"....
#
U 192.168.0.5:5060 -> 192.168.0.3:5060
CANCEL sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.5;branch
=z9hG4bKe034.1018c5d1.0..From: 102
<sip:102@voip.com:5062>;tag=3282942385..
Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88@192.168.0.2..To:
<sip:9999999
999@voip.com>..CSeq: 940 CANCEL..User-Agent: Sip
EXpress router(0.9.2 (i386
/linux))..Content-Length: 0....
#
U 192.168.0.3:5060 -> 192.168.0.5:5060
SIP/2.0 200 OK..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To: <sip:
9999999999@voip.com>..Call-Id:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168
.0.2..Cseq: 940 CANCEL..Via: SIP/2.0/UDP
192.168.0.5;branch=z9hG4bKe034.101
8c5d1.0..Content-Length: 0....
#
U 192.168.0.3:5060 -> 192.168.0.5:5060
SIP/2.0 487 Request Terminated..From: 102
<sip:102@voip.com:5062>;tag=32829
42385..To:
<sip:9999999999@voip.com>;tag=27378..Call-Id:
29469D19-CDF1-49ED
-8245-A67E1B1DBB88@192.168.0.2..Cseq: 940
INVITE..Via: SIP/2.0/UDP 192.168.
0.5;branch=z9hG4bKe034.1018c5d1.0..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=
5062;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..Date:
Mon, 23 May 2005
22:15:44 GMT..Allow: INVITE, ACK, CANCEL, BYE,
REFER, OPTIONS, NOTIFY, REG
ISTER, SUBSCRIBE..User-Agent: sipX/2.5.2
(WinNT)..Accept-Language: en..Supp
orted: sip-cc, sip-cc-01, timer, replaces..Contact:
sip:192.168.0.3..Conten
t-Length: 0....
#
U 192.168.0.5:5060 -> 192.168.0.3:5060
ACK sip:9999999999@voip.com SIP/2.0..Via:
SIP/2.0/UDP 192.168.0.5;branch=z9
hG4bKe034.1018c5d1.0..From: 102
<sip:102@voip.com:5062>;tag=3282942385..Cal
l-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88@192.168.0.2..To:
<sip:9999999999
@voip.com>;tag=27378..CSeq: 940 ACK..User-Agent: Sip
EXpress router(0.9.2 (
i386/linux))..Content-Length: 0....
#
U 192.168.0.3:5060 -> 192.168.0.5:5060
SIP/2.0 200 OK..From: 102
<sip:102@voip.com:5062>;tag=3282942385..To: <sip:
9999999999@voip.com>..Call-Id:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168
.0.2..Cseq: 940 CANCEL..Contact:
<sip:9999999999@192.168.0.3:5060>..Via: SI
P/2.0/UDP
192.168.0.5;branch=z9hG4bKe034.1018c5d1.0..Date: Mon,
23 May 2005
22:15:44 GMT..Allow: INVITE, ACK, CANCEL, BYE,
REFER, OPTIONS, NOTIFY, REG
ISTER, SUBSCRIBE..User-Agent: sipX/2.5.2
(WinNT)..Accept-Language: en..Supp
orted: sip-cc, sip-cc-01, timer,
replaces..Content-Length: 0....
#
U 192.168.0.5:5060 -> 192.168.0.2:5062
SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;b
ranch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voip.com:
5062>;tag=3282942385..To:
<sip:9999999999@voip.com>;tag=a6a1c5f60faecf035a1
ae5b6e96e979a-6e9f..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.0
.2..CSeq: 940 INVITE..Server: Sip EXpress router
(0.9.2 (i386/linux))..Cont
ent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy
feedback tells: pid=29
51 req_src_ip=192.168.0.2 req_src_port=5062
in_uri=sip:9999999999@voip.com
out_uri=sip:9999999999@voip.com via_cnt==0"....
#
U 192.168.0.5:5060 -> 192.168.0.2:5062
SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP
192.168.0.2:5062;rport=5062;b
ranch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
102 <sip:102@voip.com:
5062>;tag=3282942385..To:
<sip:9999999999@voip.com>;tag=a6a1c5f60faecf035a1
ae5b6e96e979a-6e9f..Call-ID:
29469D19-CDF1-49ED-8245-A67E1B1DBB88(a)192.168.0
.2..CSeq: 940 INVITE..Server: Sip EXpress router
(0.9.2 (i386/linux))..Cont
ent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy
feedback tells: pid=29
51 req_src_ip=192.168.0.2 req_src_port=5062
in_uri=sip:9999999999@voip.com
out_uri=sip:9999999999@voip.com via_cnt==0"....
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