| Telephony Features |
| Supplementary Features |
Call Waitng, Call Hold, Call Forward, 3-Way Conference (local mix) and network conferencing, |
| |
Hot Line, DND, Mute, Speed Dial, CWRR, Call Logs, Auto Answer via TALK event |
| Signaling |
Caller ID, DTMF Relay – RFC2833, DTMF via SIP INFO, Configurable Call Progress Tones |
| VoIP Applicatons |
| Unified Communicatons, IP Contact Centers, Open-source IP-PBX , Hosted IP-PBX and IP Centrex |
| Enhanced VoIP Processing Capabilites |
Packet loss concealment, High quality wideband, Wideband acoustc echo canceler, Low-delay adaptive jiter buffers
|
| Media Processing |
| Wideband Voice Coders |
G.722, G.722.2,OPUS |
| Narrowband Voice Coders |
G.711μ/a, G.729A/B, G.723.1 |
| Additonal Media Features |
Acoustic echo cancelation (AEC)- multiple path, wideband acoustic EC, Packet Loss Concealment, |
| |
Silence Suppression, Voice Activation Detection, Adaptive Jitter Buffer |
| Protocol Support |
| VoIP and Signaling |
SIP–RFC 3261, SDP–RFC 2327, SIP over TCP/UDP/TLS, DNS_SRV (Redundancy) |
| |
Digest authentication, PRACK, Early Media, SIP Subscribe notify, BLF (busy lamp field) |
| Data Protocols |
IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, Static IP/DHCP IP Assignment |
| |
IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN Configuration, LDAP |
| Security |
802.1x, HTTPS, SIP over TLS and SRTP，Configuration file encryption |
| |
Web Server for Configuration and Management, Configuration update via FTP, TFTP, HTTP |
| Provisioning & Management |
HTTPS, DHCP Options (66,67,160,12,60,77) |
| General Specifications |
| Language support |
English/Chinese |
| Connection type |
XH Strip connector, Screw Terminal |
| Network Interface |
LAN RJ-45 10/100 Base-T |
| Power Requirements |
12V ~ 24V DC, 2A Power adapter AC 100V-240V and/or Integrated Power over Ethernet- IEEE 802.3af |
| Storage/Operation Temperature |
-40℃ to +70°C |
| Screen |
| TFT Display Size |
3.2 Inch |
| TFT Number of Pixels |
240(RGB)（H）x 320（V）Pixel |
| TFT Display Active Area |
48.60（H）x 64.80（V）mm |
Prisons & Correctional Facilities
Transportation & Underground Infrastructure
Critical Industrial & Energy Facilities
Marine & Offshore
Manufacturing Plant & Public Facilities
