| Product Specification |
VOG4000 |
VOG2000 |
VIP1000 |
|
Voice specification |
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Voice port interface |
4 ports, FXS/FXO convertible |
2 ports, one of FXS port FXS/FXO convertible |
Built-in telephone |
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FXS interface |
Telephone, exchange trunk port, key exchange |
Telephone, exchange trunk port, key exchange |
None |
|
FXO interface |
Trunk, exchange extension port |
Trunk, exchange extension port |
None |
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Voice compression |
G.711/G.723/G.729A |
G.711/G.723/G.729A |
G.711/G.723/G.729A |
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Fax agreement |
G.711 or T.38 |
G.711 or T.38 |
None |
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Mute detection |
VAD.CNG |
VAD.CNG |
VAD.CNG |
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Echo elimination |
G.165/G.168 16ms |
G.165/G.168 16ms |
G.165/G.168 16ms |
|
Disconnection monitor |
Automatic busy tone detection, mute detection |
Automatic busy tone detection, mute detection |
Automatic busy tone detection, mute detection |
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DSP resources |
4 channels |
3 channels |
2 channels |
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Caller ID |
Caller ID detection and display |
Caller ID detection and display |
Caller ID detection and display |
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Billing support |
Reverse polarity signal, ring-back tone |
Reverse polarity signal, ring-back tone |
Reverse polarity signal, ring-back tone |
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Jitter buffer |
Dynamic jitter buffer management |
Dynamic jitter buffer management |
Dynamic jitter buffer management |
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Gain control |
Input ±14db, output ±14db |
Input ±14db, output ±14db |
Input ±14db, output ±14db |
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Signaling protocol |
MGCP1.0,NCS1.0 |
MGCP1.0,NCS1.0 |
MGCP1.0,NCS1.0 |
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Media protocol |
RTP,RTCP |
RTP,RTCP |
RTP,RTCP |
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Package transmission interval |
30ms |
30ms |
30ms |
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Voice prompt |
Record and play voice by telephone |
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Network interface |
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Number of interface |
2 Ethernets |
2 Ethernets |
2 Ethernets |
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Interface specification |
10BASE-T |
10/100BASE-T |
100BASE-T |
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Interface connector |
RJ-45, uplink selection button |
RJ-45, uplink selection button |
RJ-45 |
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IP address |
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IP location type |
Dynamic IP, fixed IP, public IP and private IP |
Dynamic IP, fixed IP, public IP and private IP |
Dynamic IP, fixed IP, public IP and private IP |
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IP address acquisition |
Fixed address, self learning, PPPoE/DHCP |
Fixed address, self learning, PPPoE/DHCP |
Fixed address, self learning, PPPoE/DHCP |
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IP address distribution |
DHCP client/server |
DHCP client/server |
DHCP client/server |
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Registration authentication |
Password authentication prevents illegal login |
Password authentication prevents illegal login |
Password authentication prevents illegal login |
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QoS |
Prevent interference from Internet |
Make use of TOS and frequency width control of IP |
Make use of TOS and frequency width control of IP |
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Interference control |
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Prevent interference from Internet |
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Management function |
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Management method |
RS232,Telnet,SNMP |
RS232,Telnet,SNMP |
RS232,Telnet,SNMP |
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Firmware update |
TFTP server/FTP client/XTP |
TFTP server/FTP client/XTP |
TFTP server/FTP client/XTP |
|
Management tool |
User command interface |
User command interface, Web |
User command interface, Web |
|
Auto anti-blocking |
Acquire protocol information from registration server |
Acquire protocol information from registration server |
Acquire protocol information from registration server |
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N+1backup |
Acquire CA address from registration server and support backup |
Acquire CA address from registration server and support backup |
Acquire CA address from registration server and support backup |
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Other specifications |
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Power supply |
Internal and external power supply |
External power supply |
Power-over-Ethernet, external power supply |
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Speed rate |
50/60Hz |
50/60Hz |
50/60Hz |
|
Voltage |
100VAC-240VAC |
100VAC-240VAC |
100VAC-240VAC |
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Power consumption |
15W |
10W |
10W |
|
Frame dimension |
240mmx45mmx160mm or 190mmx45mmx150mm |
140mm×35mm×95mm |
200×60×160 |
|
Electromagnetic radiation specification |
FCC part 15 Class B. part 68 |
FCC part 15 Class B. part 68 |
FCC part 15 |
