Telephone Interfaces
Two (2) RJ11 FXS ports
Network Interfaces
One (1) 10/100Mbps auto-sensing ethernet ports (RJ45)
LED Indicators
POWER, INTERNET, PHONE1, PHONE2
Short/Long Haul Ring Load
2 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
QoS
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p), Layer 3 (ToS, DiffServ, MPLS)
DTMF Method
In-audio, RFC2833 and/or SIP INFO