Max 410/420/430 User’s Guide – Chapter 5
New York City | 1. |
|
Analog Line
Card
PBX
Switch
Caller dials 5722, which is
*721234123412#, account no. of London MAX's FXO port.
PBX
Extension
2.
PBX sends call to NYC MAX's
FXO port, whichLAN is set to IVR Off.
3.
NYC MAX sends call via the N2P Network and the Internet.
5.
London MAX sends
call to FXO port with account no.
1234123412.
6.
Internet
Net2Phone
Network
4.
London MAX receives call from NYC via the Internet.
LAN
FXO port with account no. 1234123412 responds with
(Caller enters a password.)
IVR continues: "Please enter the number |
|
you wish to call." |
|
(Caller enters a local London telephone | PSTN |
number, including London PBX's access | Telephone |
code for an outside line, such as "9"; | 8. |
for example, 9 123 4567.) | Telephone |
| |
| connected to |
| line 123 4567 |
| rings. |
PBX
Switch
PSTN | 7. |
London PBX sends call to local PSTN.
London
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
56