19 Oct
2004
19 Oct
'04
12:35 a.m.
My two IP Phone were able to register to SER before I enable disgist Authentication. I
capture the packets between SER and one of the phone saw that the Phone send a
registration but SER replies Destination unreachable..
Below is the capture summary from Ethereal
Source: 192.168.77.152 (192.168.77.152)
Destination: 192.168.77.151 (192.168.77.151)
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Source port: 5060 (5060)
Destination port: 5060 (5060)
Length: 412
Checksum: 0x3c0c (correct)
Session Initiation Protocol
Request-Line: REGISTER sip:sipproxy.amatek.net SIP/2.0
Method: REGISTER
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 192.168.77.152:5060;branch=z9hG4bKOphgqvT15
Max-Forwards: 70
User-Agent: iPH-D00-2G
From: "777126"
<sip:777126@sipproxy.amatek.net>;tag=sW0vQoefhteOBUMJ
SIP Display info: "777126"
SIP from address: sip:777126@sipproxy.amatek.net
SIP tag: sW0vQoefhteOBUMJ
To: "777126" <sip:777126@sipproxy.amatek.net>
SIP Display info: "777126"
SIP to address: sip:777126@sipproxy.amatek.net
Call-ID: ikzXiceMcMg3NTcL(a)192.168.77.152
CSeq: 30944 REGISTER
Contact: <sip:777126@192.168.77.152:5060>
Expires: 30
Content-Length: 0
No. Time Source Destination Protocol Info
7 15.031286 192.168.77.151 192.168.77.152 ICMP Destination
unreachable
Frame 7 (474 bytes on wire, 474 bytes captured)
Ethernet II, Src: 00:06:5b:6a:66:61, Dst: 00:09:45:10:22:9c
Internet Protocol, Src Addr: 192.168.77.151 (192.168.77.151), Dst Addr: 192.168.77.152
(192.168.77.152)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00)
Total Length: 460
Identification: 0xaef6 (44790)
Flags: 0x00
Fragment offset: 0
Time to live: 64
Protocol: ICMP (0x01)
Header checksum: 0xacfa (correct)
Source: 192.168.77.151 (192.168.77.151)
Destination: 192.168.77.152 (192.168.77.152)
Internet Control Message Protocol
Type: 3 (Destination unreachable)
Code: 3 (Port unreachable)
Checksum: 0x1b2b (correct)
Internet Protocol, Src Addr: 192.168.77.152 (192.168.77.152), Dst Addr: 192.168.77.151
(192.168.77.151)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
Total Length: 432
Identification: 0x00e6 (230)
Flags: 0x00
Fragment offset: 0
Time to live: 128
Protocol: UDP (0x11)
Header checksum: 0x1bd7 (correct)
Source: 192.168.77.152 (192.168.77.152)
Destination: 192.168.77.151 (192.168.77.151)
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Source port: 5060 (5060)
Destination port: 5060 (5060)
Length: 412
Checksum: 0x3c0c (correct)
Session Initiation Protocol
Request-Line: REGISTER sip:sipproxy.amatek.net SIP/2.0
Method: REGISTER
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 192.168.77.152:5060;branch=z9hG4bKOphgqvT15
Max-Forwards: 70
User-Agent: iPH-D00-2G
From: "777126"
<sip:777126@sipproxy.amatek.net>;tag=sW0vQoefhteOBUMJ
SIP Display info: "777126"
SIP from address: sip:777126@sipproxy.amatek.net
SIP tag: sW0vQoefhteOBUMJ
To: "777126" <sip:777126@sipproxy.amatek.net>
SIP Display info: "777126"
SIP to address: sip:777126@sipproxy.amatek.net
Call-ID: ikzXiceMcMg3NTcL(a)192.168.77.152
CSeq: 30944 REGISTER
Contact: <sip:777126@192.168.77.152:5060>
Expires: 30
Content-Length: 0
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