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CONNECTIVITY
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FXS |
2 ports |
4 ports |
16 ports |
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IP Phones
( SIP/ MGCP ) |
2 |
4+ 12 |
16 + 32 |
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FXO |
1 port |
4x,4xa,4xs:2 ports |
16x,16xa,16xs: 4 ports |
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ISDN |
2xi: 1 port |
4xi,4xia,4xis: 1 port |
16xi,16xia,16xis: 3 ports |
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WAN :
Ethernet RJ 45 |
1 port |
4x,4xi: 1 port |
16x,16xi : 1 port |
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WAN :
ADSL |
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4xa,4xia,: 1 port |
16xa,16xia |
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WAN : G :
SHDSL |
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4xs,4xis : 1 port |
16xa,16xis: 1 port |
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LAN :
Ethernet RJ 45 |
1 port |
1 port |
1 port |
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Total
number of PBX extensions |
24 |
70 |
70 |
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Call
Signalling |
SIP,Loop start |
SIP,Loop start |
SIP,Loop start |
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USB
Support |
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Memory Cards |
Memory Cards |
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Voice
Coding |
G.711,G.723,G.726,G.729,iLBC |
G.711,G.723,G.726,G.729,iLBC |
G.711,G.723,G.726,G.729,iLBC |
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External
Connectivity
(Radius
Client Billing ) |
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PBX FEATURES
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Lifeline
POTS on Extension 1 |
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4x,4xa,4xs |
16x,16xa,16xs |
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All
block,forward,hold ID,park,relay.transfer,wait |
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Voice
mail |
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Conferencing |
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Unified
messaging |
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Automatic
ring down |
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Auto
attendant |
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Distinctive ring,hold music, speed dialing |
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Call
Statistics |
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Busy auto
redial |
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T.38fax,fax relay and clear channel fax |
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Directory
assistance |
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Hunt
group |
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INTERNET
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Browser
Configuration |
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Remote
diagnostics and software upgrade |
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Remote
system log analysis and download |
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STUN/ NAT
traversal |
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VPN IP
Sec,PPTP,L2TP,3DES |
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DIFFSERV
QoS |
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Intrusion
detection |
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Policy
and service filtering |
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LAN DHCP
Server/WAN DHCP Clent |
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DYNDNS
Support |
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DNS
Server |
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SNTP |
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4xa,4xs,4xia,4xis: 1 port |
16xa,16xs,16xia,16xis : 1 port |
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PPPoA |
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PPPoE |
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PAP/(MS)CHAP |
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