Siemens MC35 Command Set page 76

AT Command Set
Parameters of the URC
<number>
<type>
<class>
<CLI validity> 0
Reference Note
GSM 07.07, · With the AT+CHLD command, it is possible to establish a multiparty call or
GSM 02.04,
GSM 02.83
· The AT+CCWA command offers a broad range of options according to the
· <class> 2 (data) comprises all those <class> values between 16 and 128,
· The AT+CCWA command has been implemented with the full set of <class>
MC35_ATC_01_V05.00
String type phone number of calling address in format speci-
fied by <type>
Type of address octet in integer format (refer to GSM 04.08
subclause 10.5.4.7)
Indicates the class of the waiting call. See Write command for
possible values.
CLI valid
1 CLI has been withheld
2 CLI is not available
to set the active voice call on hold and then accept a waiting voice call (not
possible with fax and data call). See also AT+CHLD in Chapter 4.16.
GSM specifications. However, when you attempt to set a <class> which is
not provisioned or not supported for Call Waiting, the setting will not take ef-
fect regardless of the response returned. The responses in these cases vary
with the network (for example "OK", "Operation not allowed", "Operation not
supported" etc.). To make sure check the current Call Waiting settings with
<mode>=2.
that are supported both by the network and the MS. This means, a setting
made for <class> 2 applies to all remaining data classes (if supported). In
addition, you can assign a different setting to a specific class. For example,
you can activate Call Waiting for all data classes, but deactivate it for a spe-
cific data class.
parameters according to GSM 07.07. For actual applicability of SS "call wait-
ing" to a specific service or service group (a specific <class> value) please
consult table A.1 of GSM 02.04
Page 76 of 256 15.07.2002