Multitech MTCBA-G-F2 Bedienungsanleitung PDF herunterladen (Seite 7)

Chapter 2 – Dialing Services

Multi-Tech Systems, Inc. AT Commands for Wireless Modems with IP Connectivity (S000333D) 7

Chapter 2 – Dialing Services

Parameter Definitions

#ANSWERMODE Set Answering Mode

Definition: The TCP/IP stack can handle incoming calls. This parameter defines how the TCP/IP stack will behave

when receiving an incoming call.

Note: The ANSWERMODE parameter must be configured in accordance with ATS0 command, which

determines and controls the product automatic answering mode.

Values: 0 Ignore. Ignores the incoming call. In this case, it is the responsibility of the host to accept/not

accept the incoming call by issuing the AT#ACCEPT command. Default 0.

1 Automatic Answer. The TCP/IP stack goes off hook and accepts the incoming call. As described

below, the calling number must match the one specified in the CALLSCREENNUM parameter.

(The RINGCOUNT parameter must be > 0).

2 Static Callback. The TCP/IP stack ignores the incoming call and then automatically dials (DIALN1

or DIALN2 determined by the DIALSELECT parameter) by issuing an AT#CONNECTIONSTART

command. As described below, the calling number must match the one specified in the

CALLSCREENNUM parameter. The RINGCOUNT parameter must be > 0.

3 Dynamic Callback. The TCP/IP stack ignores the incoming call and then automatically dials the

calling number by issuing an AT#CONNECTIONSTART command. For this feature, the Caller ID

service is mandatory. As described below, the calling number must match the one specified in the

CALLSCREENNUM parameter. Ensure that the calling phone number is correctly provided by the

network.

Syntax: Set Value: AT#ANSWERMODE=<value>

Get Value: AT#ANSWERMODE? or AT#VPHY, AT#VALL

#CALLBACKTIMER Set Automatic Call-Back Wait

Definition: This parameter defines the number of seconds the TCP/IP stack will wait before an automatic call-back

operation occurs after receiving an incoming call. It only applies when the ANSWERMODE parameter is

set to an automatic call-back mode (value>1). This timer starts at the end of the ringing signal.

Values: Integer between 2 and 255 inclusive. This timer is set in seconds. Default 2.

Syntax: Set Value: AT#CALLBACKTIMER=<value>

Get Value: AT#CALLBACKTIMER? or AT#VPHY, AT#VALL

#CALLSCREENNUM Set Caller ID Service

Definition: When receiving an incoming call, the caller identification (Caller ID) service allows the TCP/IP stack to

identify the phone number of the remote caller. This information is helpful in preventing unauthorized

callers to trigger actions on the TCP/IP stack.

This parameter allows the user to filter the incoming calls when the ANSWERMODE parameter is set to

an automatic mode (value>0). This filtering doesn’t apply when the ANSWERMODE parameter is set to

0. In this case, it is the host’s responsibility to accept or reject the incoming call. If an incoming phone

number is not authorized, the TCP/IP stack will ignore it.

Values: 0 Zero. Not remote caller authorized. Default 0.

* All. No filtering is applied on incoming calls. All the remote phone numbers are authorized. This

value must be set when wanting to receive incoming calls while the Caller ID service is not

available.

Decimal Phone Number. Only the phone number configured here is authorized for incoming calls.

Alphanumeric ASCII text string up to 64 characters.

Syntax: Set Value: AT#CALLSCREENNUM=<value>

Get Value: AT#CALLSCREENNUM? or AT#VPHY, AT#VALL

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