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V.250 AT COMMANDS

AT Commands for EV-DO-EV3 Modems

ATD><n>[;] Issues a call to phone number in entry location <n> of the active

phonebook memory storage. See +CPBS.

If “;” is present a voice call is performed.

<n> - active phonebook memory storage entry location; it should be

in the range of locations available in the active phonebook memory

storage.

ATDL Issues a call to the last number dialed.

ATDS=<nr>[;] Issues a call to the number stored in the module internal

phonebook position number <nr>.

If “;” is present a voice call is performed.

<nr> - internal phonebook position to be called. See commands &N

and &Z.

Example

To have a voice call to the 6th entry of active phonebook:

ATD>6;

To call the entry with alphanumeric field “Name”:

ATD>”Name”;

Return to on-line mode O

Execute command answers returns to on-line mode from command mode. If there is no active connection, it

returns NO CARRIER.

Syntax

Command Command type

ATO Execute

Notes

 After issuing this command, if the device is in conversation, to send other commands to the device, you

must use the escape sequence to return to command mode. See register S2 or tying low DTR pin if &D1

option is active.

 Reference: V.25ter.

Answer A

Execute command answers an incoming call if automatic answer is disabled.

Syntax

Command Command type

ATA Execute

Notes

 This command must be the last in the command line and must be followed immediately by a <CR>

character.

 Reference: V.25ter.

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Multitech CDMA Betriebsanweisung Seite 44