<html><body><div style="font-family: lucida console,sans-serif; font-size: 12pt; color: #000000"><div>Hello Everyone,</div><div>My setup is kamailio as proxy  with few boxes of freeswitch in the LAN. Having issue with BYE when extensions register on different freeswitch boxes. Here are some trace of the call. </div><div>Not sure if this tag= miss match or routing.</div><div><br data-mce-bogus="1"></div><div>Dispatcher use group 0 with option 4 (round robin).</div><div><br data-mce-bogus="1"></div><div><br>client_public_ip.28972 > proxy_public_ip.llrp: [udp sum ok] UDP, length 660<br>E....2..5...c....E.\q,.....CBYE sip:mod_sofia@10.18.130.24:5160 SIP/2.0<br>Via: SIP/2.0/UDP client_public_ip:28972;branch=z9hG4bK1248337638;rport<br>Route: <sip:proxy_public_ip:5084;r2=on;lr=on;ftag=01K2Q1BFa9pKH><br>Route: <sip:10.18.130.27;r2=on;lr=on;ftag=01K2Q1BFa9pKH><br>From: <sip:4300@client_public_ip:28972>;tag=487304085<br>To: <sip:4300@sip.company.tld>;tag=01K2Q1BFa9pKH<br>Call-ID: 1443c4ad-2085-1235-b5ad-5254003e39bb<br>CSeq: 98979026 BYE<br>Contact: <sip:4300@client_public_ip:28972><br>Max-Forwards: 70<br>Supported: replaces, path, timer, eventlist<br>User-Agent: Grandstream Wave 1.2.2<br>Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE<br>Content-Length: 0<br><br><br>IP (tos 0x10, ttl 64, id 10813, offset 0, flags [none], proto UDP (17), length 930)<br> 10.18.130.27.sip > 10.18.130.24.5160: [bad udp cksum 0x1bf7 -> 0xd85c!] UDP, length 902<br>E...*=..@.4.<br>...<br>......(....BYE sip:mod_sofia@10.18.130.24:5160 SIP/2.0<br>Record-Route: <sip:10.18.130.27;r2=on;lr=on;ftag=487304085><br>Record-Route: <sip:proxy_public_ip:5084;r2=on;lr=on;ftag=487304085><br>Via: SIP/2.0/UDP 10.18.130.27;branch=z9hG4bKa61.22917bc5fdd65f16e39bf09dcbc7316b.0<br>Via: SIP/2.0/UDP client_public_ip:28972;received=client_public_ip;branch=z9hG4bK1248337638;rport=28972<br>Route: <sip:proxy_public_ip:5084;r2=on;lr=on;ftag=01K2Q1BFa9pKH><br>Route: <sip:10.18.130.27;r2=on;lr=on;ftag=01K2Q1BFa9pKH><br>From: <sip:4300@client_public_ip:28972>;tag=487304085<br>To: <sip:4300@sip.company.tld>;tag=01K2Q1BFa9pKH<br>Call-ID: 1443c4ad-2085-1235-b5ad-5254003e39bb<br>CSeq: 98979026 BYE<br>Contact: <sip:4300@client_public_ip:28972><br>Max-Forwards: 69<br>Supported: replaces, path, timer, eventlist<br>User-Agent: Grandstream Wave 1.2.2<br>Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE<br>Content-Length: 0<br><br><br>IP (tos 0x0, ttl 64, id 38202, offset 0, flags [none], proto UDP (17), length 587)<br> 10.18.130.24.5160 > 10.18.130.27.sip: [udp sum ok] UDP, length 559<br>E..K.:..@...<br>...<br>....(...7i.SIP/2.0 200 OK<br>Via: SIP/2.0/UDP 10.18.130.27;branch=z9hG4bKa61.22917bc5fdd65f16e39bf09dcbc7316b.0<br>Via: SIP/2.0/UDP client_public_ip:28972;received=client_public_ip;branch=z9hG4bK1248337638;rport=28972<br>From: <sip:4300@client_public_ip:28972>;tag=487304085<br>To: <sip:4300@sip.company.tld>;tag=01K2Q1BFa9pKH<br>Call-ID: 1443c4ad-2085-1235-b5ad-5254003e39bb<br>CSeq: 98979026 BYE<br>User-Agent: FreeSWITCH<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Content-Length: 0<br><br><br>IP (tos 0x10, ttl 64, id 782, offset 0, flags [none], proto UDP (17), length 503)<br> proxy_public_ip.llrp > client_public_ip.28972: [bad udp cksum 0x4c50 -> 0xd018!] UDP, length 475<br>E.......@.+}.E.\c.....q,..LPSIP/2.0 200 OK<br>Via: SIP/2.0/UDP client_public_ip:28972;received=client_public_ip;branch=z9hG4bK1248337638;rport=28972<br>From: <sip:4300@client_public_ip:28972>;tag=487304085<br>To: <sip:4300@sip.company.tld>;tag=01K2Q1BFa9pKH<br>Call-ID: 1443c4ad-2085-1235-b5ad-5254003e39bb<br>CSeq: 98979026 BYE<br>User-Agent: FreeSWITCH<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Content-Length: 0<br><br><br>IP (tos 0x0, ttl 64, id 10584, offset 0, flags [none], proto UDP (17), length 764)<br> 10.18.130.26.5160 > 10.18.130.27.sip: [udp sum ok] UDP, length 736<br>E...)X..@.6@<br>...<br>....(....Y^BYE sip:4200@client_public_ip:48147;rinstance=c4084e18f3f39974;alias=client_public_ip~48147~1 SIP/2.0<br>Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bK33785247SrX3H<br>Route: <sip:10.18.130.27;r2=on;lr=on;ftag=d2e84f4a><br>Route: <sip:proxy_public_ip:5084;r2=on;lr=on;ftag=d2e84f4a><br>Max-Forwards: 70<br>From: <sip:4300@sip.company.tld>;tag=5K0FX0ryeBBeH<br>To: "volga629" <sip:4200@sip.company.tld>;tag=d2e84f4a<br>Call-ID: 137861_rel44MTA1ZGMwNzViODg5NDMwYzQ1NDQzYjlmMGExMzlmMmI<br>CSeq: 98979038 BYE<br>User-Agent: FreeSWITCH<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Reason: Q.850;cause=16;text="NORMAL_CLEARING"<br>Content-Length: 0<br><br><br>IP (tos 0x10, ttl 64, id 802, offset 0, flags [none], proto UDP (17), length 741)<br> proxy_public_ip.llrp > client_public_ip.48147: [bad udp cksum 0x4d3e -> 0x4f2d!] UDP, length 713<br>E...."..@.*{.E.\c.........M>BYE sip:4200@client_public_ip:48147;rinstance=c4084e18f3f39974 SIP/2.0<br>Via: SIP/2.0/UDP proxy_public_ip:5084;branch=z9hG4bK8395.d46858df1d9e02b910446fca09f1f864.0<br>Via: SIP/2.0/UDP 10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bK33785247SrX3H<br>Max-Forwards: 69<br>From: <sip:4300@sip.company.tld>;tag=5K0FX0ryeBBeH<br>To: "volga629" <sip:4200@sip.company.tld>;tag=d2e84f4a<br>Call-ID: 137861_rel44MTA1ZGMwNzViODg5NDMwYzQ1NDQzYjlmMGExMzlmMmI<br>CSeq: 98979038 BYE<br>User-Agent: FreeSWITCH<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Reason: Q.850;cause=16;text="NORMAL_CLEARING"<br>Content-Length: 0<br><br><br>IP (tos 0x0, ttl 52, id 810, offset 0, flags [DF], proto UDP (17), length 504)<br> client_public_ip.48147 > proxy_public_ip.llrp: [udp sum ok] UDP, length 476<br>E....*@.4..oc....E.\........SIP/2.0 481 Call/Transaction Does Not Exist<br>Via: SIP/2.0/UDP proxy_public_ip:5084;branch=z9hG4bK8395.d46858df1d9e02b910446fca09f1f864.0<br>Via: SIP/2.0/UDP 10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bK33785247SrX3H<br>To: "volga629" <sip:4200@sip.company.tld>;tag=d2e84f4a<br>From: <sip:4300@sip.company.tld>;tag=5K0FX0ryeBBeH<br>Call-ID: 137861_rel44MTA1ZGMwNzViODg5NDMwYzQ1NDQzYjlmMGExMzlmMmI<br>CSeq: 98979038 BYE<br>Accept-Language: en<br>Content-Length: 0<br><br><br>IP (tos 0x10, ttl 64, id 63040, offset 0, flags [none], proto UDP (17), length 413)<br> 10.18.130.27.sip > 10.18.130.26.5160: [bad udp cksum 0x19f4 -> 0x6386!] UDP, length 385<br>E....@..@.j.<br>...<br>......(....SIP/2.0 481 Call/Transaction Does Not Exist<br>Via: SIP/2.0/UDP 10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bK33785247SrX3H<br>To: "volga629" <sip:4200@sip.company.tld>;tag=d2e84f4a<br>From: <sip:4300@sip.company.tld>;tag=5K0FX0ryeBBeH<br>Call-ID: 137861_rel44MTA1ZGMwNzViODg5NDMwYzQ1NDQzYjlmMGExMzlmMmI<br>CSeq: 98979038 BYE<br>Accept-Language: en<br>Content-Length: 0 </div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Slava. </div></div></body></html>