User Guide
Page 43
... Modem and Fax Tone Detection and Pass Through DTMF Detection Point to Point Calling (Direct IP to IP Calling) Speed Dial Phonebook PSTN Line Support (Prestige P-2302RL-P1) Support NAT Traversal / RFC 3489-
... Modem and Fax Tone Detection and Pass Through DTMF Detection Point to Point Calling (Direct IP to IP Calling) Speed Dial Phonebook PSTN Line Support (Prestige P-2302RL-P1) Support NAT Traversal / RFC 3489-