Telephone Interfaces |
One (1) RJ11 FXS port, One (1) RJ11 FXO PSTN line port with lifeline support |
Network Interfaces |
Two (2) 10/100Mbps ports (RJ45) with integrated NAT router |
LED Indicators |
POWER, LAN, WAN, FXS, FXO |
Factory Reset Button |
Yes |
Telephony Features |
Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
Voice Codecs |
G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation |
Fax Over IP |
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through |
Short/Long Haul Ring Load |
3 REN: Up to 1km on 24 AWG |
Caller ID |
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
Disconnect Methods |
Busy Tone, Polarity Reversal/Wink, Loop Current |
Network Protocols |
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 |
QoS |
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, DiffServ, MPLS) |