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Max 410/420/430 User’s Guide – Chapter 5
56
New York City
LAN
London
LAN
123
456
789
*
8#
PBX
Extension
PBX
Switch
PBX
Switch
PSTN
Analog Line
Card
1.
Caller dials 5722, which is
pre-set on PBX to dial
*721234123412#, account no.
of London MAX's FXO port.
2.
PBX sends call
to NYC MAX's
FXO port, which
is set to IVR Off.
3.
NYC MAX
sends call via
the N2P
Network and
the Internet.
4.
London MAX
receives call
from NYC via
the Internet.
5.
London MAX sends
call to FXO port
with account no.
1234123412.
6.
FXO port with account no. 1234123412
responds with MAX-to-MAX IVR prompt
(depending on options selected): "Please
enter your password."
(Caller enters a password.)
IVR continues: "Please enter the number
you wish to call."
(Caller enters a local London telephone
number, including London PBX's access
code for an outside line, such as "9";
for example, 9 123 4567.)
7.
London PBX
sends call to
local PSTN.
123
456
789
*
8#
PSTN
Telephone
8.
Telephone
connected to
line 123 4567
rings.
Internet
Net2Phone
Network
Figure 23 -- Max-to-Max Call Flow
Inbound Allow List Configuration
This function blocks calls from unauthorized callers. The
Max 410, 420, and 430 have remote accessible ports, so
an unauthorized person can use the port without
admission control.
This feature allows the user to specify the allowable
inbound numbers that can make use of the port as shown
in Figure 24 below.
When a call comes in to the Max 410, 420, or 430, it looks
at the incoming caller ID, compares it to the list for the
port, and if the caller is in the allow list, admits the call.
The maximum number of characters in the Allow List field