ZyXEL Omni TA 128 User Guide - Page 93

Answering a Call for 1TR6

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transparently by the ISDN network between the call originating entity (e.g. the calling user) and the addressed entity, can be used for the same purpose as the MSN. Since the TA128 is highly integrated and multi-functional, it can be imagined as a "black box" that contains multiple distinct terminals. Each of these "internal terminals" can be assigned one ISDN number using the AT&ZIn=xxxx... command. The number assigned by AT&ZIn=xxxx... can be interpreted as either the MSN or the subaddress. This is determined by the bit 5 of S119 as follows: • S119.5=0 - the number is treated as the MSN (default). • S119.5=1 - the number is treated as the subaddress. The factory default for these numbers are unassigned. If an incoming SETUP message is offered with addressing information (e.g. the appropriate part of the called party number or the called party subaddress), this address will be compared with the MSN/subaddress numbers assigned by the AT&ZIn=xxxx... commands. The call will be accepted using the specific protocol if the assigned number of this protocol matches with the received called party number or called party subaddress. O NOTE: Two phone number strings are said to be matched if their least significant "n" digit(s) are identical, where "n" is the number of digits of the shorter string. Usually one digit is enough to distinguish the various protocols. Answering a Call for 1TR6 If an incoming SETUP message is offered with addressing information (i.e. the destination address W-element). This address will be compared with the EAZ numbers assigned by the AT&ZIn=m commands. The call will be accepted using the specific protocol if the assigned number of this protocol matches the received address. 81

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81
transparently by the ISDN network between the call originating
entity (e.g. the calling user) and the addressed entity, can be used
for the same purpose as the MSN. Since the TA128 is highly
integrated and multi-functional, it can be imagined as a “black
box” that contains multiple distinct terminals. Each of these
"internal terminals" can be assigned one ISDN number using the
AT&ZIn=xxxx
... command.
The number assigned by AT&ZIn=xxxx... can be interpreted as
either the MSN or the subaddress. This is determined by the bit 5
of S119 as follows:
•
S119.5=0
- the number is treated as the MSN (default).
•
S119.5=1
- the number is treated as the subaddress.
The factory default for these numbers are unassigned. If an
incoming
SETUP
message is offered with addressing information
(e.g. the appropriate part of the called party number or the called
party subaddress), this address will be compared with the
MSN/subaddress numbers assigned by the AT&ZIn=xxxx...
commands. The call will be accepted using the specific protocol if
the assigned number of this protocol matches with the received
called party number or called party subaddress.
O
NOTE
:
Two phone number strings are said to be matched if their least
significant "n" digit(s) are identical, where "n" is the number of
digits of the shorter string. Usually one digit is enough to
distinguish the various protocols.
Answering a Call for 1TR6
If an incoming
SETUP
message is offered with addressing
information (i.e. the destination address W-element). This address
will be compared with the EAZ numbers assigned by the
AT&ZI
n
=
m
commands. The call will be accepted using the specific
protocol if the assigned number of this protocol matches the
received address.