| Category
|
Item
|
Parameter
|
| Standard
|
Audio format standard
|
G.711a/G.711μ/G.729AB/G.722/iLBC/G.723.1/G.726
|
| Network protocol
|
SIP, TCP/IP, SDP, UDP, RTP, RTCP, DHCP, DNS, PPPoE, HTTP, HTTPS, SNTP
|
| Audio
|
ACLP(Anti-clipping)
|
| AEC(Acoustic Echo Cancellation)
|
| AGC(Automatic Gain Control)
|
| AJB(Adaptive Jitter Buffer)
|
| ANR(Automatic Noise Reduction)
|
| CNG(Comfort Noise Generation)
|
| HAC(Hearing Aid Compatibility)
|
| PLC(Packet Loss Concealment)
|
| VAD(Voice Activity Detection)
|
| Side Tone Cancellation
|
| LCD
|
Resolution: 128 x 40 pixels
|
| Menu languages: Chinese Simplified, Chinese Traditional, Arabic, Czech, Dutch, English, French, German, Hebrew, Hungarian, Italian, Japanese, Korean, Lithuanian(Croatia), Polish, Portuguese, Russian, Slovenian, Spanish, Turkish, support additonal language packs.
|
| External port
|
Ethernet ports
|
2 ports, 10/100 Mbps
|
| Earphone ports
|
RJ-9
|
| Function key
|
Call transfer key, Three way conference key, hands-free key, Headset key, mute key, Call holding key, Sending key, Volume adjustment key,5 navigation keys, 2 LINE keys, and 3 function softkeys
|
| Call feature
|
Call holding, call transfer, call waiting, DND, call forwarding, call muting, redial, call record, volume adjustment, hotline service, and automatic response.
|
| Function
|
Phone book
|
Stores records of up to 200 contacts, and allows users to manually enter contact information or import contact information from an XML file that is downloaded from the file server
|