string s=""INVITE sip:,bob@biloxi.example.com SIP/2.0\n" + "Via:,SIP/2.0/TCP client.atlanta.example.com:5060;\nbranch=,z9hG4bK74bf9\n" + "Max-Forwards:,70\n" + "From:Alice <sip:,alice@atlanta.example.com\n>tag=,9fxed76sl\n" + "To:Bob <sip:,bob@biloxi.example.com>\n" + "Call-ID:,3848276298220188511@atlanta.example.com\n" + "CSeq:,2 INVITE\n" + "Contact:<sip:,alice@client.atlanta.example.com>;\ntransport=,tcp\n" + "Diversion: Carol <sip:,carol@atlanta.example.com>\n;privacy=,off;\nreason=,no-answer;\ncounter=,1;\nscreen=,no\n" + "Remote-Party-ID:Alice <sip:,alice@atlanta.example.com>\n" + "P-Asserted-Identity:Alice <sip:,alice@atlanta.example.com>\n" + "P-Charge-Info:<sip:,eve@atlanta.example.com>\n" + "P-Source-Device:,216.3.128.12\n" + "Content-Type:,application/sdp\n" + "Content-Length:,151";