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Modem 34336
Table 4-1. Dialing Control Characters.
Character Function
A-D Used in some PBX applications (tone dialing only).
L Links a phone number to another number to be
dialed as an alternate.
T Sets tone-dialing mode.
P Sets pulse-dialing mode.
R Configures modem for Dial Line Auto-Recovery.
Requires / prefix. See DIAL LINE AUTO-
RECOVERY section later in this chapter.
W or : (colon) Wait 30 seconds for dial tone before proceeding.
, (comma) Inserts 4-second pause.
. (period) Marks end of phone number.
- (dash) Used only for clarity (no function).
(space) Used only for clarity.
* Dial * (tone dialing only).
# Dial # (tone dialing only).
A, B, C and D are used in some private branch exchange (PBX)
applications. The * and # symbols are sometimes used for access
to remote computer systems.