VoIP Phone User
’
s Manual
n
Self-adaptive jitter cache ensures smooth voice function
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Lost-packet compensation guarantee mechanism provides a better voice quality.
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Built-in Internet gateway function
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Easily-configured Console port
n
Supporting remote configuration of Web mode and remote software downloading/upgrading
5 Performance Indices
Description of Product Model
IPPHONE
SIP protocol
Physical Specifications
Power supply
AC/DC power adapter, 12V DC
DC input: 5V DC/1A
Power consumption
< 10W
Weight
About 1 kg
Reliability
System availability > 99.999%, MTBF > 100,000 hours, MTTR < 5
min
Ambient requirements
Working temperature
0
°
C ~ 50
°
C
Storage temperature
-10
°
C ~ 50
°
C
Relative humidity
5% ~ 95%, non-condensing
Technical Specifications for the interface attribute gateway
Mute processing/four wave processing
RTP/RTCP voice channel
Voice compression algorithm G.711A/U, G.729, G.723 and G.726
Signal format: DTMF
Echo suppression: G.165/G.168
DTMF signal detection/generation
Compatible to the Internet protocols, such as TCP/IP, UDP, ARP, TFTP and ICMP
Supporting SNMP Version II
Compatible to IEEE 802.3 10BASE-TX Ethernet
Compatible to IEEE 802.3u 100BASE-TX fast Ethernet