Multi-Tech Systems ISIHP-2U - Manual (Page 125)

MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD 125
Terminal Adapter AT Commands & S-Registers
Data Call Commands
Use these commands to make or configure data calls.
A Answer Call
Values: none
Default: none
Forces TA to answer an incoming call. To cause the TA to autoanswer, set
register S0 to a value higher than 0.
Dn Dial
Values: string of up to 25 characters
Default: none
Causes TA to dial a telephone number (e.g., ATD785-3500 <cr>).
Hn Hang Up
Values: n = 0 or 1
Default: H0
Forces TA to go off-hook (take control of the telephone line) or go on-hook
(hang up). Since TA goes off-hook automatically when it dials, H command
normally is used only to hang up. To hang up, first escape to command
mode (+++AT <cr>), then type ATH (or ATH0) <cr>. Or, include the hang
up command in the escape sequence: +++ATH <cr>.
H0 Go on-hook (hang up).
H1 Go off-hook.
In Display Product Information
Values: n = 0, 1, and 2
Default: none
Displays the following TA product information:
I0 Product ID (e.g., 247)
I1 Firmware version number (e.g., 1.00)
I2 Model number
O Return Online
Values: none
Default: none