2 answering a voice call, 3 intercom, 4 supplementary services – ZyXEL Communications ISDN Terminal Adapter Omni.Net Lite User Manual
Page 48: Table 11 incoming voice call scenarios
Omni.Net Lite User’s Guide
47
Chapter 2 Using the Utility
2.12.2 Answering a Voice Call
To answer an incoming call, just pick the receiver when that telephone is ringing.
Voice calls are routed to one or both of the analog ports (PHONE 1 or/and PHONE 2) based
on the phone number assignment when they are received. When the same number is assigned
to both ports, you can choose the port you want to receive calls by setting the priority of the
ports. If two ports have same priority, both ports receive ring signals. See
on how to configure port priority.
When answering an incoming call, the TA will first be identified if the calling number matches
the MSN settings. The Multiple Subscriber Number (MSN) supplementary service enables
multiple ISDN numbers to be assigned to a single ISDN BRI line. It allows the caller to select,
via the public network, one or more distinct terminals from a variety of terminal choices. Since
the TA supports many different communication protocols and two analog adapters, each of
these ports can individually be assigned to a different ISDN number (see
for more information).
The following table shows incoming voice call scenarios.
2.12.3 Intercom
Your TA can work as an “Intercom” by connecting two phones to PHONE 1 and PHONE 2
at the rear panel of your TA.
Please follow the instructions below to operate the Intercom:
1 Pick up the telephone handset.
2 Dial “1#” and the other local phone will start to ring.
2.12.4 Supplementary Services
Supplementary services such as call hold, call waiting, call transfer, … are generally available
from your telecommunications provider. The TA supports all of the following services:
Table 11 Incoming Voice Call Scenarios
PHONE 1 MSN
PHONE 2 MSN
PORT PRIORITY
PHONE 1
PHONE 2
Unassigned or
Matched
Unassigned or
Matched
0
Ring
Ring
Unassigned or
Matched
Unassigned or
Matched
1
Ring
-
Unassigned or
Matched
Unassigned or
Matched
2
-
Ring
Matched
Not matched
None
Ring
-
Not matched
Matched
None
-
Ring
Not matched
Not matched
None
-
-