| Connectivity |
| FXS |
2 ports
|
4 ports
|
16 ports
|
| IP
Phones (SIP/MGCP) |
2
|
4 + 12
|
16 + 32
|
| FXO |
1 port
|
4x, 4xa, 4xs:
2 ports
|
16x, 16xa, 16xs:
4 ports
|
| ISDN |
2xi: 1 port
|
4xi, 4xia, 4xis:
1 port
|
16xi, 16xia, 16xis>:
1 port
|
| WAN:
Ethernet RJ45 |
1 port
|
4x, 4xi: 1 port
|
16x, 16xi: 1 port
|
| WAN:
ADSL |
.
|
4xa, 4xia: 1 port
|
16xa, 16xia: 1
port
|
| WAN:
SHDSL |
.
|
4xs, 4xis: 1 port
|
16xs, 16xis: 1
port
|
| LAN:
Ethernet RJ45 |
1 port
|
1 port
|
1 port
|
Maximal
number of
PBX Extensions |
24
|
70
|
70
|
| Call
Signaling |
SIP, Loop Start
|
SIP, Loop Start
|
SIP, Loop Start
|
| USB
Support |
|
Memory cards
|
Memory cards
|
| 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
|
External
Connectivity:
Radius client for billing |
|
|
|
| PBX
Features
|
| Lifeline
POTS on ext. 1 |
|
4x, 4xa, 4xs
|
16x, 16xa, 16xs
|
Call
block, forward,
hold, ID, park, relay, transfer, wait |
|
|
|
| Voice
Mail |
|
|
|
| Conferencing |
|
|
|
| Unified
Messaging |
|
|
|
| Automatic
Ring Down |
|
|
|
| Auto
Attendant |
|
|
|
| Distinctive
ring, hold music, speed dialing |
|
|
|
| Call
Statistics |
|
|
|
| Busy
auto redial |
|
|
|
T.38
fax, fax relay and
clear channel fax |
|
|
|
| Directory
Assistance |
.
|
|
|
| Hunt
group |
.
|
|
|
| Internet |
| Browser
Configuration |
|
|
|
| STUN/NAT
traversal |
|
|
|
| Remote
diagnostics and software upgrade |
|
|
|
| Remote
system log analysis and download |
|
|
|
| DIFFSERV
QoS |
|
|
|
| Intrusion
detection |
|
|
|
| Policy
and service filtering |
|
|
|
| Stateful
inspection firewall |
|
|
|
| VPN
(IPSec, PPTP, L2TP, 3DES) |
|
|
|
LAN
DHCP server/
WAN DHCP client |
|
|
|
| DYNDNS
support |
|
|
|
| DNS
server |
|
|
|
| SNTP |
|
|
|
| PPPoA |
.
|
4xa, 4xs, 4xia,
4xis
|
16xa, 16xs, 16xia,
16xis
|
| PPPoE |
|
|
|
| PAP/(MS)CHAP |
|
|
|
|
|
|