Nmap scan report for vn-vnpt.rcs.telephony.goog (216.239.36.135)
Host is up (0.00050s latency).
Not shown: 997 filtered tcp ports (no-response)
PORT STATE SERVICE
443/tcp open https
5061/tcp open sip-tls
5222/tcp open xmpp-client
Nmap done: 1 IP address (1 host up) scanned in 5.57 seconds