User manual

2-8 AT COMMANDS: DATA MODEM
O – Return to On-Line Operation
The O command causes the modem to return to Online mode, which can be left
temporarily, using the Esc sequence.
P – Selecting Pulse Dialling
This command specifies pulse-dialling as the standard dialling procedure, until the
modem receives a Tone-dialling parameter in a dialling command, or until the T
command is received.
Q – Modem Messages On / Off
ATQ0 Modem messages are issued (factory setting)
ATQ1 Modem messages are not issued
S – Reading and Modifying Registers:
ATSn=v This sets Register n to the (decimal) value v
ATSn=v? This sets Register n to the (decimal) value v and sends the new
value for checking
ATSn? This reads Register n and gives its value in decimal form
T – Selecting Tone Dialling
This command specifies tone-dialling as the standard dialling procedure, until the
modem receives a Pulse-dialling parameter in a dialling command, or until the P
command is received.
V – Verbal or Numeric Modem Messages
The V command determines the type of message which the modem returns to the
computer.
ATV0 Numeric modem messages
ATV1 Verbal modem messages (factory setting)
W – Controlling Connect Messages
This command controls the format of CONNECT messages. Other options can be
controlled via the value of S95.
ATW0 Once the connection has been established, only the interface speed
is advised