COMMAND    PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
asterisk 24011 root   13u  IPv4  63054      0t0  TCP 192.168.1.110:sip->192.168.1.102:58599 (ESTABLISHED)
asterisk 24011 root   15u  IPv4  62952      0t0  UDP 192.168.1.110:sip
asterisk 24011 root   16u  IPv4  62953      0t0  TCP 192.168.1.110:sip (LISTEN)
asterisk 24011 root   36u  IPv4  63274      0t0  TCP 192.168.1.101:49069->192.168.1.102:sip (ESTABLISHED)