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<div class=Section1><pre><font size=1 face="Times New Roman"><span lang=EN-US
style='font-size:8.0pt;font-family:"Times New Roman"'>Here is the SIP transaction log. Caller called 7176 (Cisco 7960) from outside PSTN line, 7185(polycom 601, ip: 192.168.2.104) is the phone which monitors 7176.<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Reliably Transmitting (no NAT) to 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>NOTIFY sip:7185@192.168.2.66 SIP/2.0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK567ba18b<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7176@192.168.2.66><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 107 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: Asterisk PBX<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Max-Forwards: 70<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Type: application/xpidf+xml<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Subscription-State: active<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 349<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><?xml version="1.0"?><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presentity uri="sip:7185@192.168.2.66;method=SUBSCRIBE" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><atom id="7176"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><address uri="sip:7176@192.168.2.66;user=ip" priority="0.800000"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><status status="inuse" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><msnsubstatus substatus="onthephone" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></address><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></atom><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><-- SIP read from 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>SIP/2.0 500 Internal Server Error<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK567ba18b<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 107 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7185@192.168.2.104><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: PolycomSoundPointIP-SPIP_601-UA/1.6.4.0064<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'> <o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><-- SIP read from 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>SUBSCRIBE sip:7176@192.168.2.66 SIP/2.0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.104;branch=z9hG4bKfdb7ef6c9DE13403<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 29 SUBSCRIBE<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7185@192.168.2.104><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: PolycomSoundPointIP-SPIP_601-UA/1.6.4.0064<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Authorization: Digest username="7185", realm="asterisk", nonce="4eb67954", uri="sip:7176@192.168.2.66", response="3d264007cfea7ea28cf53fd4f9b12417", algorithm=MD5<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Max-Forwards: 70<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Expires: 3600<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Transmitting (no NAT) to 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>SIP/2.0 200 OK<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.104;branch=z9hG4bKfdb7ef6c9DE13403;received=192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 29 SUBSCRIBE<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: Asterisk PBX<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Expires: 3600<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7176@192.168.2.66>;expires=3600<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>---<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Reliably Transmitting (no NAT) to 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>NOTIFY sip:7185@192.168.2.66 SIP/2.0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK7601a9bd<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7176@192.168.2.66><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 108 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: Asterisk PBX<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Max-Forwards: 70<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Type: application/xpidf+xml<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Subscription-State: active<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 349<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><?xml version="1.0"?><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presentity uri="sip:7185@192.168.2.66;method=SUBSCRIBE" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><atom id="7176"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><address uri="sip:7176@192.168.2.66;user=ip" priority="0.800000"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><status status="inuse" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><msnsubstatus substatus="onthephone" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></address><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></atom><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><-- SIP read from 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>SIP/2.0 500 Internal Server Error<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK7601a9bd<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 108 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7185@192.168.2.104><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: PolycomSoundPointIP-SPIP_601-UA/1.6.4.0064<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Reliably Transmitting (no NAT) to 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>NOTIFY sip:7185@192.168.2.66 SIP/2.0<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK212f2520<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7176@192.168.2.66><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 109 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: Asterisk PBX<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Max-Forwards: 70<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Type: application/xpidf+xml<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Subscription-State: active<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 344<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><?xml version="1.0"?><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><presentity uri="sip:7185@192.168.2.66;method=SUBSCRIBE" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><atom id="7176"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><address uri="sip:7176@192.168.2.66;user=ip" priority="0.800000"><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><status status="open" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><msnsubstatus substatus="online" /><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></address><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></atom><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'></presence><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><o:p> </o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'><-- SIP read from 192.168.2.104:5060:<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>SIP/2.0 500 Internal Server Error<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Via: SIP/2.0/UDP 192.168.2.66:5060;branch=z9hG4bK212f2520<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>From: <sip:7176@192.168.2.66>;tag=as28665c79<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>To: " Wang" <sip:7185@192.168.2.66>;tag=1B2B2C20-22A9C0D1<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>CSeq: 109 NOTIFY<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Call-ID: 67050654-692770ea-e7908aab@192.168.2.104<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Contact: <sip:7185@192.168.2.104><o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Event: presence<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>User-Agent: PolycomSoundPointIP-SPIP_601-UA/1.6.4.0064<o:p></o:p></span></font></pre><pre><font
size=1 face="Times New Roman"><span lang=EN-US style='font-size:8.0pt;
font-family:"Times New Roman"'>Content-Length: 0<o:p></o:p></span></font></pre></div>
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