At+fclass, Tc63 at command set – Siemens TC63 User Manual

Page 312

TC63 AT Command Set

12.2 AT+FCLASS

TC63_ATC_V00.490

Page 312 of 501

5/24/05

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12.2

AT+FCLASS Fax: Select, read or test service class

sets the ME to a particular mode of operation (data, fax). This allows the ME to process information

in a manner suitable for that type of information.

Syntax

Parameter Description

[0]

(&F)

Data (e.g. EIA/TIA-602 or ITU V.250)

Fax class 1 (EIA/TIA-578-A, Service Class 1)

Notes

• Using Error Correcting Mode (ECM) when sending FAXes over GSM should be avoided.
• If

is set to 1, all incoming calls will be answered as fax calls when

is issued on multiplexer channel

1 resp. ASC0. For calls explicitly signaled as voice or data calls, this procedure will fail with result code "NO

CARRIER", but the incoming call will continue to ring.

It is possible to change the setting of

to 0 while the call is ringing, and accept the call afterwards with

Test Command

AT+FCLASS=?

Response(s)

(list of supported

Read Command

AT+FCLASS?

Response(s)

Write Command

Response(s)

Reference(s)

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

Last

EIA/TIA-592-A

(num)(&W)(&V)