Nortel Networks M3905 Manual Do Utilizador

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AT dialing
  
 
ATZn (soft reset, where n = 0, 1)
This returns S0 through S49 registers and AT configurations to their default 
settings. The same result applies to both case n = 0 and n = 1.
Registers S50 through S69 will be reset to their default values only upon 
power-up.
The following commands are extensions to AT dialing used to support the MCA.
ATDPxxxx (voice call, where x = 0–9)
This allows you to make a voice call from your terminal. The digits, xxxx, 
represent the number of the person you wish to call. S8 registers are not 
applicable. For example, a comma (pause) delays by one digit, and a maximum 
of 32 digits are allowed.
ATF3 (Handsfree/mute)
This allows you to mute your end of a Handsfree call, and repeat the command to 
toggle back to normal Handsfree operation.
ATF4 (Hold)
This puts an active voice call on hold.
ATF5 (Select)
This takes a voice call off hold (as if you pressed its DN key).
ATH0 (hang up data call)
This releases an active data call. You must first be off-line (hit three escape 
characters).
ATHP (hang up voice call)
This releases an active voice call, just as if you pressed the Release key on the 
phone.
ATTSP! (transparent mode)
You can display the raw signaling messages sent between the PBX and the MCA 
using this command. This mode is used by some special software applications.