Motorola and V.32bis - Manual (Page 185)

Country-Specific Information C-5
C
ountry-S
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cif
ic
Information
In the following example, Answer can be set only to Manual (AT * AA0), Ring
#1 (AT * AA1), and Ring #2 (AT * AA2). Other settings are restricted.
NOTE: Refer to later sections in this appendix for information on using the
modem in the U. S. A.
Setting AT Command
Manual AT * AA0
Ring #1 AT * AA1
Ring #2 AT * AA2