Features:
● Supports
SIP 2.0(RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP,
DNS, DHCP (both client and server), NTP, PPPoE, STUN, UPNP,TFTP,
etc.
● Built-in
router, NAT, Gateway and port forwarding
● Supports
call origination and termination from/to the PSTN network
● Powerful
digital signal processing (DSP) to ensure superb audio quality;
advanced adaptive jitter control
● and
packet loss concealment technology
● Support
various vocoders including G.711 (a-law and u-law), G.729A/B
etc.
● Support
Caller ID/Name display or block, Hold, Call Waiting/Flash, Call
Transfer, Call Forward, in-band
● and
out-of-band DTMF, Dial Plans, etc.
● Support
fax pass through and T.38(Pending).
● Support
Silence Suppression, VAD (Voice Activity Detection), CNG
(Comfort Noise
● Generation),
Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
● Support
standard encryption and authentication (DIGEST using MD5 and
MD5-sess)
● Support
for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS,
DiffServ, MPLS)
● Support
automated NAT traversal without manual manipulation of
firewall/NAT
● Support
device configuration via built-in IVR, Web browser or central
configuration file through TFTP or HTTP
● Support
firmware upgrade via TFTP or HTTP with encrypted configuration
files.
● Support
volume amplification
● Support
configurable Call Progress Tones
● Ultra
compact (wallet size) and lightweight design, great companion
for travelers
● Compact,
lightweight Universal Power adapter. |
