[root@PT3 asterisk]# tcpdump -i eth0 port 4569 -vvvvvvvvvvvv tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 13:05:41.476784 IP (tos 0x0, ttl 64, id 56266, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26 13:05:43.477027 IP (tos 0x0, ttl 64, id 56267, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26 13:05:51.478327 IP (tos 0x0, ttl 64, id 56268, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:05:53.477393 IP (tos 0x0, ttl 64, id 56269, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26 13:05:53.477423 IP (tos 0x0, ttl 64, id 56270, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:01.476479 IP (tos 0x0, ttl 64, id 56271, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:01.476509 IP (tos 0x0, ttl 64, id 56272, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:03.476955 IP (tos 0x0, ttl 64, id 56273, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:03.476987 IP (tos 0x0, ttl 64, id 56274, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:03.477011 IP (tos 0x0, ttl 64, id 56275, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26 13:06:03.477035 IP (tos 0x0, ttl 64, id 56276, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:11.476638 IP (tos 0x0, ttl 64, id 56277, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:13.476567 IP (tos 0x0, ttl 64, id 56278, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:13.476601 IP (tos 0x0, ttl 64, id 56279, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:13.476627 IP (tos 0x0, ttl 64, id 56280, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:21.478053 IP (tos 0x0, ttl 64, id 56281, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:22.480092 IP (tos 0x0, ttl 64, id 56282, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:31.477623 IP (tos 0x0, ttl 64, id 56283, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26 13:06:31.477651 IP (tos 0x0, ttl 64, id 56284, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:32.480362 IP (tos 0x0, ttl 64, id 56285, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:32.480397 IP (tos 0x0, ttl 64, id 56286, offset 0, flags [none], proto 17 , length: 40) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 12 13:06:33.478945 IP (tos 0x0, ttl 64, id 56287, offset 0, flags [none], proto 17 , length: 54) 192.168.0.102.4569 > 58.185.151.160.4569: [udp sum ok] UDP, length 26