!interesting-Method0123456789_*+`.%indeed'~ sip:1_unusual.URI~(to-be!sure)&isn't+it$/crazy?,/;;*:&it+has=1,weird!*pas$wo~d_too.(doesn't-it)@example.com SIP/2.0 Via: SIP/2.0/UDP host1.example.com;rport;branch=z9hG4bK-.!%66*_+`'~ To: "BEL:\ NUL:\ DEL:\" From: token1~` token2'+_ token3*%!.- ;fromParam''~+*_!.-%="работающий";tag=_token~1'+`*%!-. Call-ID: intmeth.word%ZK-!.*_+'@word`~)(><:\/"][?}{ CSeq: 139122385 !interesting-Method0123456789_*+`.%indeed'~ Max-Forwards: 255 extensionHeader-!.%*+_`'~: 大停電 Content-Length: 0