Call Control For 1Tr6 (Old German Isdn) - ZyXEL Communications omni TA128 User Manual

Y4 - subscriber number.
Nn is the identifier of numbering plan:
N0 - unknown (default if Nn is omitted).
N1 - ISDN numbering plan (Rec. E.164) (default for Australia if
Nn is omitted).
N3 - data numbering plan (Rec. X.121).
N4 - telex numbering plan (Rec. F.69).
N8 - national standard numbering plan.
N9 - private numbering plan.
Zn - specifies the Subaddress type:
Z0 - NSAP (Rec. X.213) with AFI=0x50, IA5 characters
(default if Zn is omitted).
Z2 - user specified, IA5 characters.
The command AT&ZOx=// will remove the Number/Subaddress
assignment.
The number and subaddress assigned by AT&ZOx=s, if any, will
be used for Calling-Party-Number and Calling-Party-Subaddress
information elements respectively while dialing.
The default settings of the phone number and subaddress of all
types of calls are UNASSIGNED - meaning the SETUP message
sent by the TA128 contains neither Calling-Party-Number nor
Calling-Party-Subaddress information elements.
The command AT&ZO? can be used to browse the current
settings of the own numbers and subaddresses.

Call Control for 1TR6 (Old German ISDN)

In order to initiate an 1TR6 ISDN call, two information elements
are necessary:
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