<div dir="ltr">Hi,<br><div class="gmail_quote"><div dir="ltr"><div><br></div><div>i have some strange problem with calling using kamailio 3.3.3. From the same client somethimes calls work well and after 2 or 3 successful calls I get this scenario.</div>
<div>After receiving ACK as response to 407 Authentication Required Message, kamailio drops that ACK message and I got "SL local ACK found -> dropping it!" message in debug file. </div><div>After this ACK message I get also 7 INVITES from client but there is no response from kamailio.</div>
<div>I got this problem with clients that is behind multiple NATs. Other clients works well.</div><div><br></div><div>Any advice would be appreciated.</div><div><br></div><div>Thanks </div><div><br></div><div>Ismir</div><div>
<br></div><div>This debug log and SIP trace:</div><div><br></div><div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:626]: method: <INVITE></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:628]: uri: <sip:18@xxxxxxxxxxxxxxxx:51313></div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:630]: version: <SIP/2.0></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_via.c:1286]: Found param type 235, <rport> = <n/a>; state=6</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_via.c:1286]: Found param type 232, <branch> = <z9hG4bKPjae181f78c1b9456da09ed7b34575c0e3>; state=16</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_via.c:2561]: end of header reached, state=5</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:511]: parse_headers: Via found, flags=2</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:513]: parse_headers: this is the first via</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [receive.c:149]: After parse_msg...</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [receive.c:190]: preparing to run routing scripts...</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: maxfwd [mf_funcs.c:85]: value = 70 <br></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_to.c:802]: end of header reached, state=9</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:188]: DEBUG: get_hdr_field: <To> [30]; uri=[sip:18@xxxxxxxxxxxxxxxx] </div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:190]: DEBUG: to body [sip:18@xxxxxxxxxxxxxxxx#015#012]</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:168]: get_hdr_field: cseq <CSeq>: <23125> <INVITE></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:202]: DEBUG: get_hdr_body : content_length=728</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/msg_parser.c:104]: found end of header</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_to.c:178]: DEBUG: add_param: tag=33fff09131774cf5a738a74919c50c90</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [parser/parse_to.c:802]: end of header reached, state=29</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: sanity [mod_sanity.c:255]: sanity checks result: 1</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [msg_translator.c:206]: check_via_address(64.61.94.148, 64.61.94.148, 0)<br></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: siputils [checks.c:103]: no totag<br>
</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: tm [t_lookup.c:1079]: DEBUG: t_check_msg: msg id=4 global id=3 T start=(nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: tm [t_lookup.c:527]: t_lookup_request: start searching: hash=63666, isACK=0</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: tm [t_lookup.c:485]: DEBUG: RFC3261 transaction matching failed</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: tm [t_lookup.c:709]: DEBUG: t_lookup_request: no transaction found</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: tm [t_lookup.c:1148]: DEBUG: t_check_msg: msg id=4 global id=4 T end=(nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [socket_info.c:583]: grep_sock_info - checking if host==us: 21==14 && [xxxxxxxxxxxxxxxx] == [xxxxxxxxxxxxxxxx]<br>
</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [socket_info.c:587]: grep_sock_info - checking if port 51313 (advertise 0) matches port 5060</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [socket_info.c:583]: grep_sock_info - checking if host==us: 21==14 && [xxxxxxxxxxxxxxxx] == [xxxxxxxxxxxxxxxx]</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [socket_info.c:587]: grep_sock_info - checking if port 51313 (advertise 0) matches port 5060</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: auth_db [authorize.c:363]: realm [xxxxxxxxxxxxxxxx] table [subscriber] flags [1]</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: auth [api.c:86]: auth:pre_auth: Credentials with realm 'xxxxxxxxxxxxxxxx' not found</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: auth_db [authorize.c:180]: no credentials</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: auth [challenge.c:128]: build_challenge_hf: realm='xxxxxxxxxxxxxxxx'</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: auth [challenge.c:270]: auth: 'Proxy-Authenticate: Digest realm="xxxxxxxxxxxxxxxx", nonce="UeRf01HkXqcKFA6LGeN8ssw6rbUNtt9N"#015#012'</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: sl [sl.c:278]: reply in stateless mode (sl)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [msg_translator.c:206]: check_via_address(64.61.94.148, 64.61.94.148, 0)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [xavp.c:365]: destroying xavp list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31893]: DEBUG: <core> [receive.c:293]: receive_msg: cleaning up</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:624]: SIP Request:</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:626]: method: <ACK></div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:628]: uri: <sip:18@xxxxxxxxxxxxxxxx:51313></div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:630]: version: <SIP/2.0></div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/parse_via.c:1286]: Found param type 235, <rport> = <n/a>; state=6</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/parse_via.c:1286]: Found param type 232, <branch> = <z9hG4bKPjae181f78c1b9456da09ed7b34575c0e3>; state=16</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/parse_via.c:2561]: end of header reached, state=5</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:511]: parse_headers: Via found, flags=2</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:513]: parse_headers: this is the first via</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [receive.c:149]: After parse_msg...</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [receive.c:190]: preparing to run routing scripts...</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/parse_to.c:178]: DEBUG: add_param: tag=2551d5cef8d8d01ed7d219eb9d65ff77.495f</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/parse_to.c:802]: end of header reached, state=29</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:188]: DEBUG: get_hdr_field: <To> [72]; uri=[sip:18@xxxxxxxxxxxxxxxx] </div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [parser/msg_parser.c:190]: DEBUG: to body [sip:18@xxxxxxxxxxxxxxxx]</div><div><b>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: sl [sl_funcs.c:415]: SL </b><b>local ACK found -> dropping it!</b></div>
</div><div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: destroying list (nil)</div>
<div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [xavp.c:365]: destroying xavp list (nil)</div><div>Jul 15 15:42:16 www /usr/local/sbin/kamailio[31892]: DEBUG: <core> [receive.c:293]: receive_msg: cleaning up</div>
<div>Jul 15 15:42:17 www rsyslogd-2177: imuxsock lost 198 messages from pid 31904 due to rate-limiting</div></div><div><b><br></b></div><div><br></div><div>This is SIP trace from wireshark exported like text file.</div><div>
<div><br></div><div>Session Initiation Protocol</div><div> <span style="white-space:pre-wrap"> </span>Request-Line: INVITE sip:18@xxxxxxxx:51414 SIP/2.0</div><div> Via: SIP/2.0/UDP 64.61.94.148:34402;rport;branch=z9hG4bKPjca2e03042a3541e2a0e7c99ae186e391</div>
<div> Max-Forwards: 70</div><div> From: <sip:tin4@xxxxxxx>;tag=cb5a108eb1be4bbd9487d18dab422f01 </div><div> To: sip:18@xxxxxxxxxxxx</div><div> Contact: <sip:tin4@64.61.94.148:34402;ob></div>
<div> Call-ID: 730a5b16f91e4031a6b2c082d77528de</div><div> CSeq: 836 INVITE</div><div> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</div><div> Supported: replaces, 100rel, timer, norefersub</div>
<div> Session-Expires: 1800</div><div> Min-SE: 90</div><div> Content-Type: application/sdp</div><div> Content-Length: 728</div><div> Message Body</div><div> Session Description Protocol</div>
<div> Session Description Protocol Version (v): 0</div><div> Owner/Creator, Session Id (o): - 3582902074 3582902074 IN IP4 192.168.1.189</div><div> Session Name (s): pjmedia</div><div> Bandwidth Information (b): AS:352</div>
<div> Time Description, active time (t): 0 0</div><div> Session Attribute (a): X-nat:0</div><div> Media Description, name and address (m): audio 40012 RTP/AVP 98 97 99 104 3 0 8 9 96</div>
<div> Connection Information (c): IN IP4 192.168.1.189</div><div> Bandwidth Information (b): TIAS:64000</div><div> Media Attribute (a): rtcp:40013 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div>
<div> Media Attribute (a): rtpmap:98 speex/16000</div><div> Media Attribute (a): rtpmap:97 speex/8000</div><div> Media Attribute (a): rtpmap:99 speex/32000</div><div> Media Attribute (a): rtpmap:104 iLBC/8000</div>
<div> Media Attribute (a): fmtp:104 mode=30</div><div> Media Attribute (a): rtpmap:3 GSM/8000</div><div> Media Attribute (a): rtpmap:0 PCMU/8000</div><div> Media Attribute (a): rtpmap:8 PCMA/8000</div>
<div> Media Attribute (a): rtpmap:9 G722/8000</div><div> Media Attribute (a): rtpmap:96 telephone-event/8000</div><div> Media Attribute (a): fmtp:96 0-15</div><div> Media Description, name and address (m): video 40014 RTP/AVP 97 96</div>
<div> Connection Information (c): IN IP4 192.168.1.189</div><div> Bandwidth Information (b): TIAS:256000</div><div> Media Attribute (a): rtcp:40015 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div>
<div> Media Attribute (a): rtpmap:97 H264/90000</div><div> Media Attribute (a): fmtp:97 profile-level-id=42e01e; packetization-mode=1</div><div> Media Attribute (a): rtpmap:96 H263-1998/90000</div>
<div> Media Attribute (a): fmtp:96 CIF=1;QCIF=1</div><div><br></div><div><br></div><div> <span style="white-space:pre-wrap"> </span>Status-Line: SIP/2.0 407 Proxy Authentication Required</div><div> Via: SIP/2.0/UDP 64.61.94.148:34402;rport=34402;branch=z9hG4bKPjca2e03042a3541e2a0e7c99ae186e391</div>
<div> From: <sip:tin4@xxxxxxxxxxxx>;tag=cb5a108eb1be4bbd9487d18dab422f01</div><div> To: sip:18@xxxxxxxxxxxx;tag=2551d5cef8d8d01ed7d219eb9d65ff77.6100</div><div> Call-ID: 730a5b16f91e4031a6b2c082d77528de</div>
<div> CSeq: 836 INVITE</div><div> Proxy-Authenticate: Digest realm="xxxxxxxxxxxx", nonce="UeR6JVHkePlxwVxs8eXM+HEbe9pFHRZR"</div><div> Server: kamailio (3.3.3 (x86_64/linux))</div>
<div> Content-Length: 0</div><div><br></div><div><br></div><div> </div><div><br></div><div> Request-Line: ACK sip:18@xxxxxxxxxxxx:51414 SIP/2.0</div><div> Via: SIP/2.0/UDP 64.61.94.148:34402;rport;branch=z9hG4bKPjca2e03042a3541e2a0e7c99ae186e391</div>
<div> Max-Forwards: 70<br></div><div> From: <sip:tin4@xxxxxxxxxxxx>;tag=cb5a108eb1be4bbd9487d18dab422f01</div><div> To: sip:18@xxxxxxxxxxxx;tag=2551d5cef8d8d01ed7d219eb9d65ff77.6100</div><div> Call-ID: 730a5b16f91e4031a6b2c082d77528de</div>
<div> CSeq: 836 ACK</div><div> Sequence Number: 836</div><div> Method: ACK</div><div> Content-Length: 0</div><div><br></div><div><br></div><div> Request-Line: INVITE sip:18@xxxxxxxxxxxx:51414 SIP/2.0<br>
</div><div> Via: SIP/2.0/UDP 64.61.94.148:34402;rport;branch=z9hG4bKPjb155205250d944078ed58fef7aa8e1c0</div><div> Max-Forwards: 70</div><div> From: <sip:tin4@xxxxxxxxxxxx>;tag=cb5a108eb1be4bbd9487d18dab422f01</div>
<div> To: sip:18@xxxxxxxxxxxx</div><div> Contact: <sip:tin4@64.61.94.148:34402;ob></div><div> Call-ID: 730a5b16f91e4031a6b2c082d77528de</div><div> CSeq: 837 INVITE</div><div> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</div>
<div> Supported: replaces, 100rel, timer, norefersub</div><div> Session-Expires: 1800</div><div> Min-SE: 90</div><div> Proxy-Authorization: Digest username="tin4", realm="xxxxxxxxxxxx", nonce="UeR6JVHkePlxwVxs8eXM+HEbe9pFHRZR", uri="sip:18@xxxxxxxxxxxx:51414", response="7e98dbc33c039e358728a08e8582c990"</div>
<div> Content-Type: application/sdp<br></div><div> Content-Length: 728</div><div> Message Body</div><div> Session Description Protocol</div><div> Session Description Protocol Version (v): 0</div>
<div> Owner/Creator, Session Id (o): - 3582902074 3582902074 IN IP4 192.168.1.189</div><div> Session Name (s): pjmedia</div><div> Bandwidth Information (b): AS:352</div><div> Time Description, active time (t): 0 0</div>
<div> Session Attribute (a): X-nat:0</div><div> Media Description, name and address (m): audio 40012 RTP/AVP 98 97 99 104 3 0 8 9 96</div><div> Connection Information (c): IN IP4 192.168.1.189</div>
<div> Bandwidth Information (b): TIAS:64000</div><div> Media Attribute (a): rtcp:40013 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div><div> Media Attribute (a): rtpmap:98 speex/16000</div>
<div> Media Attribute (a): rtpmap:97 speex/8000</div><div> Media Attribute (a): rtpmap:99 speex/32000</div><div> Media Attribute (a): rtpmap:104 iLBC/8000</div><div> Media Attribute (a): fmtp:104 mode=30</div>
<div> Media Attribute (a): rtpmap:3 GSM/8000</div><div> Media Attribute (a): rtpmap:0 PCMU/8000</div><div> Media Attribute (a): rtpmap:8 PCMA/8000</div><div> Media Attribute (a): rtpmap:9 G722/8000</div>
<div> Media Attribute (a): rtpmap:96 telephone-event/8000</div><div> Media Attribute (a): fmtp:96 0-15</div><div> Media Description, name and address (m): video 40014 RTP/AVP 97 96</div><div>
Connection Information (c): IN IP4 192.168.1.189</div><div> Bandwidth Information (b): TIAS:256000</div><div> Media Attribute (a): rtcp:40015 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div>
<div> Media Attribute (a): rtpmap:97 H264/90000</div><div> Media Attribute (a): fmtp:97 profile-level-id=42e01e; packetization-mode=1</div><div> Media Attribute (a): rtpmap:96 H263-1998/90000</div>
<div> Media Attribute (a): fmtp:96 CIF=1;QCIF=1</div><div><br></div><div><br></div><div><span style="white-space:pre-wrap"> </span>......i deleted other INVITES (there was 7 INVITES)</div><div><br></div><div><br>
</div><div> Request-Line: INVITE sip:18@xxxxxxxxxxxx:51414 SIP/2.0</div><div> Via: SIP/2.0/UDP 64.61.94.148:34402;rport;branch=z9hG4bKPjb155205250d944078ed58fef7aa8e1c0</div><div> Max-Forwards: 70</div><div>
From: <sip:tin4@xxxxxxxxxxxx>;tag=cb5a108eb1be4bbd9487d18dab422f01</div><div> To: sip:18@xxxxxxxxxxx</div><div> Contact: <sip:tin4@64.61.94.148:34402;ob></div><div> Call-ID: 730a5b16f91e4031a6b2c082d77528de</div>
<div> CSeq: 837 INVITE</div><div> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</div><div> Supported: replaces, 100rel, timer, norefersub</div><div> Session-Expires: 1800</div>
<div> Min-SE: 90</div><div> Proxy-Authorization: Digest username="tin4", realm="xxxxxxxxxxxx", nonce="UeR6JVHkePlxwVxs8eXM+HEbe9pFHRZR", uri="sip:18@xxxxxxxxxxxx:51414", response="7e98dbc33c039e358728a08e8582c990"</div>
<div> Content-Type: application/sdp</div><div> Content-Length: 728</div><div> Message Body</div><div> Session Description Protocol</div><div> Session Description Protocol Version (v): 0</div>
<div> Owner/Creator, Session Id (o): - 3582902074 3582902074 IN IP4 192.168.1.189</div><div> Session Name (s): pjmedia</div><div> Bandwidth Information (b): AS:352</div><div> Time Description, active time (t): 0 0</div>
<div> Session Attribute (a): X-nat:0</div><div> Media Description, name and address (m): audio 40012 RTP/AVP 98 97 99 104 3 0 8 9 96</div><div> Connection Information (c): IN IP4 192.168.1.189</div>
<div> Bandwidth Information (b): TIAS:64000</div><div> Media Attribute (a): rtcp:40013 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div><div> Media Attribute (a): rtpmap:98 speex/16000</div>
<div> Media Attribute (a): rtpmap:97 speex/8000</div><div> Media Attribute (a): rtpmap:99 speex/32000</div><div> Media Attribute (a): rtpmap:104 iLBC/8000</div><div> Media Attribute (a): fmtp:104 mode=30</div>
<div> Media Attribute (a): rtpmap:3 GSM/8000</div><div> Media Attribute (a): rtpmap:0 PCMU/8000</div><div> Media Attribute (a): rtpmap:8 PCMA/8000</div><div> Media Attribute (a): rtpmap:9 G722/8000</div>
<div> Media Attribute (a): rtpmap:96 telephone-event/8000</div><div> Media Attribute (a): fmtp:96 0-15</div><div> Media Description, name and address (m): video 40014 RTP/AVP 97 96</div><div>
Connection Information (c): IN IP4 192.168.1.189</div><div> Bandwidth Information (b): TIAS:256000</div><div> Media Attribute (a): rtcp:40015 IN IP4 192.168.1.189</div><div> Media Attribute (a): sendrecv</div>
<div> Media Attribute (a): rtpmap:97 H264/90000</div><div> Media Attribute (a): fmtp:97 profile-level-id=42e01e; packetization-mode=1</div><div> Media Attribute (a): rtpmap:96 H263-1998/90000</div>
<div> Media Attribute (a): fmtp:96 CIF=1;QCIF=1</div></div><div><br></div></div></div></div>