ARP Table
You can perfectly use only the last 2(two) digits of the Phone MAC Address
arp | grep (MAC)TCPDUMP examples VoIP SIP messages
tcpdump is by far the most popular command line packet analysis application.
- https://hackertarget.com/tcpdump-examples/
- https://danielmiessler.com/study/tcpdump
- https://ewn.my.salesforce-sites.com/kb/articles/KnowledgeBase_Q_A/1414
- https://apache2.ciscoar.com/if-no-further-and-more/
Voice VLAN eth0.1
tcpdump -s0 -i eth0.1 -vv host 192.168.1.xx