Certifications & Standards
Voice, Fax, Modem 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.723.1, G.729A/B, G.726, iLBC, 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: 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 Signaling
Network Protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p), Layer 3 (ToS, DiffServ, MPLS) DTMF Method: In-audio, RFC2833 and/or SIP INFO Provisioning and Control: HTTP, HTTPS, TELNET, TFTP, TR-069, secure and automated provisioning using AES encryption, syslog Security Media: SRTP Control: TLS/SIPS/HTTPS Management: Syslog support, telnet, remote management using web broswer Compliance FCC 15B AS/NZS CISPR22 AS/NZS60950 EN55022 EN55024 EN60950 EN61000-3- 2 EN61000-3-3 UL (Power supply) K.21