xxxxxx01*CLI> sip show peers
Name/username              Host            Dyn Nat ACL Port     Status     
peer1			   212.13.41.157    D   N      2132     UNREACHABLE 
peer2        		   212.13.34.253    D   N      1045     UNREACHABLE 
2 sip peers [Monitored: 0 online, 4 offline Unmonitored: 0 online, 0 offline]
xxxxxx01*CLI> 
Disconnected from Asterisk server
xxxxxx01:/etc/asterisk/scripts# tcpdump -i eth0 udp port 2132
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
17:25:47.117380 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:25:48.122197 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:25:49.122196 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:01.126271 IP xxsxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:02.130195 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:03.130195 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:15.134269 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:16.137200 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:17.142197 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:29.146268 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:30.150197 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630
17:26:31.150196 IP xxxxxx01.company.pt.sip > example.company.pt.2132: SIP, length: 630