VOIP Phone

Key Features #Supports SIP 2.0 #Supports TCP/UDP/IP, RTP/RTCP, , ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols #DHCP support for LAN or Cable modem #PPPoE support for ADSL or Cable modem #Supports IP address dynamic (DHCP) system #Supports multi-method NAT traversal and anti-virus crossing #Compliant with ITU-T standard and DTMF form and check #Supports codecs G.

723.1 (5.3K/6.3K), G. 729A/B, iLBC, G.726, G.728, and wide-band G. 722 sound coding and decoding #Supports dynamic sound check VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.

168), and AGC (Automatic Gain Control) #Dynamic sound technology with sound quality as good as traditional telephones #Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality #Supports standard voice features such as Caller ID Display or Block, Call Waiting, Hold, Transfer Forward, FLASH, in-band and out-of-band DTMF (RFC2833), Dial Plans, off-hook auto dial, configurable emergency dialing (e.

G., 911), early dial, click-to-dial #Advanced adaptive jitter buffer control, packet delay & loss concealment technology #Supports multi-net construction #Auto-manual indication #Built-in world clock auto time display #Has single or dual network ports (10 BaseT) #Supports dial code regulation based on E.

164 #Support TFTP remote upgrade #English language IE setting #Dialed, received number check #Speed dial function #Emulate telephone dialing #Easy volume adjustment #IP-to-IP and point-to-point communication #HiFi low delay net sound communication #Local IP number, local number check #Instant plug and play #Full duplex hands-free speakerphone superior frequency #Call forwarding, call waiting, call hold, call transfer, redial, call log, volume control, voice mail with indicator