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RoboFone VoIP telephone to make A call. the digital compressed
voice signal is not longer transferred through PSTN, but
Internet or any IP network by ADSL, Cable Modem and LAN,
Depends on the IP services provided by ISP operators and
otherinternet providers, RoboFone could reduce your cost
of the domestic and international long distance calls
rapidly, which is considered the biggest advantages of
the product.Simply operation process allows end usersto
install RoboFone at home or office expediently. |
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Automatic assign
IP address & scan gatekeeper
10 Base T Ethernet support LAN/ADSL/Cable
Modem
Compatible with most IP voice systems
and devices
Dynamic voice jitter buffer,clear
& stable voice quality
112 entries for quick dial
40 entries each for missed call,
answered call and dialed call
16 entries for voice messages
Setting by keypad
Provide direct IP to IP call mode
Including direct PSTN call by a
gateway
Easy to setup and configured by
Telnet/Web
Built-in H.323 proxy to pass NAT
Upgrade by TFTP
LCD display & review receive
calls
Full duplex speakerphone, dial-tone,
speaker & loudspeaker
volume can be digitally
adjused independently
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Optional calling signal
of H.323 V4 or MGCP V1.0
Audio codec include G.723.1 6.4k/6.3k,
G.729
G.711 outband DTMF transmit by H.245
user input or Q.931 keypad
Caller ID send and receive by Q.931
G.168/165 compliant 16ms echo cancellation
H.235 security authorization based
on MD5
VAD (Voice activity detection); CNG
(Comfort noise generation; Dynamic voice jitter
buffer)
Automatically gatekeeper discovery
in LAN
DHCP support for LAN or Cable modem
PPPoE support for
ADSL or Cable modem
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RoboFoneH H.323 protocol
RoboFoneM MGCP protocol
RoboFoneS SIP protocol
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| Standard |
ITU H.323 V1--V4 VoIP Standard,
MGCP, SIP |
| Port |
1 x RJ-45 ports for linking
to Ethernet LAN |
| Voice Codec |
G723.1, G729A, G.711 |
| Voice |
VAD ( silence suppression )
CNG ( comfort noise generation ) EC ( Echo
Cancellation ) |
| Flash Memory |
1 MB |
| SDRAM Memory |
2 MB |
| Network Interface |
10 Base-T |
| Average Flow |
10-12k bit/s |
| Voice delay |
Less to 100ms |
| Power Supply |
DC 9V-12V, 2.7W( max ) |
| Power Adapter |
250--110V AC, 9V DC, 500mA |
| Dimension |
285 x 220x 80 mm ( L x W x H
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| Temperature Working |
0--50 degree C/ 32 - 122 degree F Storage:
-30 -- 65 degree C/ -22 - 149 degree F |
| Operating Humidity |
10% to 90% |
| Air Pressure |
86-106Kpa |
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