∙N0 - unknown (default if Nn is omitted).
∙N1 - ISDN numbering plan (Rec. E.164).
∙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 type of the Subaddress:
∙Z0 - NSAP (Rec. X.213) with AFI=0x50, IA5 characters (default if Zn is omitted).
∙Z2 - user specified, IA5 characters.
The called_party_number or an appropriate part of it, will be sent to the addressed entity. The called_party_subaddress will be transferred transparently by the ISDN network to the destination.
Use ATDL to redial the last dialed telephone number (and/or subaddress).
Placing a call for 1TR6
The ATDx[Yn][Nn]destination_address command is used for dialing as follows.
x = I (ISDN data), A (the analog adapter 1), or B (the analog adapter 2).
Yn specifies the type of address:
∙Y0 - unknown (default if Yn is omitted).
∙Y1 - international number.
∙Y2 - national number.
Nn is the identifier of numbering/addressing plan: ∙ N0 - unknown (default if Nn is omitted).
90 Advanced ISDN Call Control