Прочее сетевое оборудование NAT

Telephony interfaces Four (4) RJ11 FXS ports Network interfaces Two (2) 10/100/1000Mbps RJ45 ports LED indicators POWER SUPPLY, NET1, NET2, TELEPHONE 1, TELEPHONE 2, TELEPHONE 3, TELEPHONE 4 Factory reset button Yes Telephony functions Caller ID display and lock, Call waiting, flash, blind or accompanied call transfer, Forwarding, Hold, Do not disturb mode, 3-way conference Speech codecs G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G726-32, iLBC, OPUS, Dynamic reference frequency jitter buffer, advanced echo line compensation Fax over IP T.38 acc. Group 3 fax transmission up to 14.4kpbs and auto-switching to G.711 for Fax

Telephony interfaces Eight (8) RJ11 FXS ports Network interfaces Two (2) 10/100/1000Mbps RJ45 ports LED indicators POWER (power supply), NET1, NET2, PHONE1 (phone), PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8 Factory reset button Yes Voice communication, Fax, The modem Telephony functions Number detection and number detection lock, call waiting , call transfer using the Flash button, blind call transfer, accompanied call transfer, forwarding, hold, ban incoming calls, 3-way conferencing Voice codecs TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over