Telephone Interfaces |
16 FXS ports |
SIP Provisioning |
16 SIP accounts, 4 profiles |
Network Interface |
10/100/1000 Mbps, RJ-45 |
Number of Concurrent Calls (except when using SRTP) |
16 Concurrent Calls |
Voice over Packet Capabilities |
Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), LEC with NLP Packetized Voice Protocol Unit (supports RTP and AAL2 protocol), G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711 |
Voice Compression |
G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.722, G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729, iLBC, G.726 provides proprietary VAD, CNG, and signal power estimation, Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic gain control),
Status output, Decoder controlling via voice packet header |
DHCP Server/Client |
DHCP Client only |
Fax over IP |
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through,
Fax Datapump V.17, V.21, V.27ter, V.29 for T.38 fax relay |
QoS |
DiffServ, TOS, 802.1P/Q VLAN tagging |
Transport Protocol |
RTP |
DTMF Method |
In-audio, RFC2833, and/or SIP Info |
IP Signaling |
SIP (RFC 3261) |
Provisioning |
TFTP, HTTP, HTTPS |
Security |
SRTP, IPSEC, TLS/SIPS, HTTPS, 802.1x |
Management |
Syslog support, HTTP and Telnet access |
Dial Plan |
Yes |
3-Way Conference |
3-Way conference with local mixing |
Caller ID |
Bellcore Type 1 & 2, ETSI, BT, NTT, FSK and DTMF-based CID |
Polarity Reversal / Wink |
Yes |
Network Connectivity |
IPv4, IPv6, TCP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP, DNS,DHCP, NTP,TFTP, TELNET, PPPoE, STUN |