Starting Nmap 7.80 ( https://nmap.org ) at 2023-03-19 17:00 EDT
Nmap scan report for dynamic-077-002-003-004.77.2.pool.telefonica.de (77.2.3.4)
Host is up (0.14s latency).
Not shown: 99 filtered ports
PORT STATE SERVICE
5060/tcp open sip
Nmap done: 1 IP address (1 host up) scanned in 3.55 seconds