330 "Multicast not available"Content-Type: application/sdpContent-Length: 130v=0o=c 3149329138 3149329165 IN IP4 38.245.76.2s=Let's talkt=3149328630 0b=CT:128c=IN IP4 x.bell-tel.comm=audio 3456 RTP/AVP 5 0 7a=rtpmap:5 DVI4/8000a=rtpmap:0 PCMU/8000a=rtpmap:7 LPC/8000m=video 2232 RTP/AVP 31a=rtpmap:31 H261/90000|OPTIONS sip:bob@example.com SIP/2.0Via: SIP/2.0/UDP cat.wonderland.comFrom: Alice <sip:alice@wonderland.com>;tag=1To: Bob <sip:bob@example.com>Call-ID: 6378@cat.wonderland.comCSeq: 1 OPTIONSAccept: application/sdp|SIP/2.0 200 OKFrom: Alice <sip:alice@wonderland.com>;tag=1To: Bob <sip:bob@example.com> ;tag=376364382Call-ID: 6378@cat.wonderland.comCSeq: 1 OPTIONSContent-Length: 81Content-Type: application/sdpv=0o=alice 3149329138 3149329165 IN IP4 24.124.37.3s=Security problemst=3149328650 0c=IN IP4 24.124.37.3m=audio 0 RTP/AVP 0 1 3 99a=rtpmap:0 PCMU/8000a=rtpmap:1 1016/8000a=rtpmap:3 GSM/8000a=rtpmap:99 SX7300/8000m=video 0 RTP/AVP 31 34a=rtpmap:31 H261/90000a=rtpmap:34 H263/90000|INVITE sip:vivekg@chair.dnrc.bell-labs.com SIP/2.0TO : <sip:vivekg@chair.dnrc.bell-labs.com > ;   tag    = 1918181833nFrom   : "J Rosenberg " <sip:jdrosen@lucent.com>  ;  tag = 98asjd8Call-ID : 0ha0isndaksdj@10.1.1.1cseq: 8  INVITEVia  : SIP  /   2.0 /UDP    135.180.130.133Subject :NewFangledHeader:   newfangled value more newfangled valueContent-Type: application/sdpv:  SIP  / 2.0  / TCP     12.3.4.5   ;  branch  =   9ikj8  , SIP  /    2.0   / UDP  1.2.3.4   ; hiddenm:"Quoted string " <sip:jdrosen@bell-labs.com> ; newparam = newvalue ;  secondparam = secondvalue  ; q = 0.33  (((nested comments) and (more)))   , tel:4443322v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0To: sip:j_user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.1.1.1Require: newfeature1, newfeature2Proxy-Require: newfeature3, newfeature4CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133|INVITE name:John_Smith SIP/2.0To: isbn:2983792873From: http://www.cs.columbia.eduCall-ID: 0ha0isndaksdj@10.1.2.3CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|REGISTER sip:company.com SIP/2.0To: sip:user@company.comFrom: sip:user@company.comContact: sip:user@host.company.comCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 REGISTERVia: SIP/2.0/UDP 135.180.130.133Expires: Sat, 01 Dec 2040 16:00:00 GMT|INVITE sip:user@company.com SIP/2.0To: sip:j_user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1Accept: text/newformatCSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@comapny.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/newformat<audio> <pcmu port="443"/></audio>|NEWMETHOD sip:user@comapny.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 NEWMETHODVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|NEWMETHOD sip:user@comapny.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.1.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|REGISTER sip:company.com SIP/2.0To: sip:j.user@company.comFrom: sip:j.user@company.comCall-ID: 0ha0isndaksdj@10.0.1.1CSeq: 8 REGISTERVia: SIP/2.0/UDP 135.180.130.133Authorization: Super-PGP ajsohdaosdh0asyhdaind08yasdknasd09asidhas0d8|REGISTER sip:company.com SIP/2.0To: sip:j.user@company.comFrom: sip:j.user@company.comCall-ID: 0ha0isndaksdj@10.0.2.2Contact: sip:j.user@host.company.comCSeq: 8 REGISTERVia: SIP/2.0/UDP 135.180.130.133Content-Length: 0|INVITE sip:joe@company.com SIP/2.0To: sip:joe@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isnda977644900765@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0CSeq: 0 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0Via: SIP/2.0/UDP 135.180.130.133CSeq: 0 INVITECall-ID: 98asdh@10.1.1.1Call-ID: 98asdh@10.1.1.2From: sip:caller@university.eduFrom: sip:caller@organization.orgTo: sip:user@company.comContent-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0Via: SIP/2.0/UDP 135.180.130.133CSeq: 0 INVITECall-ID: 98asdh@10.1.1.2Expires: Thu, 44 Dec 19999 16:00:00 EDTFrom: sip:caller@university.eduTo: sip:user@company.comContent-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|SIP/2.0 200 OKVia: SIP/2.0/UDP 135.180.130.57;branch=0Via: SIP/2.0/UDP 255.255.255.255;branch=0Call-ID: 0384840201@10.1.1.1CSeq: 0 INVITEFrom: sip:user@company.comTo: sip:user@university.edu;tag=2229Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 224.2.17.12/127m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133;;,;Contact: "" <> ;,"Joe" <sip:joe@org.org>;;,,;;Content-Type: application/sdpv=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 9999v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: -999v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE sip:user@company.com SIP/2.0To: sip:j.user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 138v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPCasdpasd08asdsdk:;;asd a0sdjhg8a0''...'';;;;|INVITE sip:user@company.com SIP/2.0To: "Mr. J. User <sip:j.user@company.com>From: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.0.0.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 138v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC|INVITE request with a semicolon-separated parameter in the "user" part.INVITE sip:user;par=u%40h.com@company.com SIP/2.0To: sip:j_user@company.comFrom: sip:caller@university.eduCall-ID: 0ha0isndaksdj@10.1.1.1CSeq: 8 INVITEVia: SIP/2.0/UDP 135.180.130.133|is illegal because the Request-URI has been enclosed within in "<>".INVITE <sip:user@company.com> SIP/2.0To: sip:user@company.comFrom: sip:caller@university.eduCall-ID: 1@10.0.0.1CSeq: 1 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 165v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3s=SIP Callt=3149328700 0c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC| This INVITE has illegal LWS within the SIP URL.INVITE sip:user@company.com; transport=udp SIP/2.0To: sip:user@company.comFrom: sip:caller@university.eduCall-ID: 2@10.0.0.1CSeq: 1 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 165v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3s=SIP Callt=3149328700 0c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC| This INVITE has illegal >1 SP between elements of the Request-URI.INVITE sip:user@company.com  SIP/2.0To: sip:user@company.comFrom: sip:caller@university.eduCall-ID: 3@10.0.0.1CSeq: 1 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 165v=0o=mhandley 29739 7272939 IN IP4 126.5.4.3s=SIP Callt=3149328700 0c=IN IP4 135.180.130.88m=audio 492170 RTP/AVP 0 12m=video 3227 RTP/AVP 31a=rtpmap:31 LPC| INVITE with a legal SIP URL containing escaped charactersINVITE sip:sip%3Auser%40example.com@company.com;other-param=summit SIP/2.0To: sip:user@company.comFrom: sip:caller@university.eduCall-ID: 4@10.0.0.1CSeq: 1 INVITEVia: SIP/2.0/UDP 135.180.130.133Content-Type: application/sdpContent-Length: 165v=0