AT Command Set
MC35_ATC_01_V05.00 Page 251 of 256 15.07.2002
*# code Functionality Possible response(s)
USSD messages
[C]...[C]#
(varies with the serving network)
Send USSD message +CME ERROR: <err> /
OK (see Chapter 4.48, p. 132)
C[C] (excluded 1[C])
(varies with the serving network)
Send USSD message +CME ERROR: <err> /
OK (see Chapter 4.48, p. 132)
Abbreviations of codes and responses used in Table 15
Codes / parameters to be sent with ATD
Barring services 330 ZZ = type of supplementary services:
All services Not specified
DN = dialling number: String of digits 0-9
Voice 11
FAX 13
SMS 16
SMS +FAX 12
Voice + FAX 19
Voice + SMS + FAX 10
Data circuit asynchron 25
Data circuit synchron 24
PAD 27
Packet 26
Data circuit asynchron + PAD 21
Data circuit synchron + packet 22
Data circuit asynchron + syncron. + PAD 20
BS = basic service
equivalent to parameter <class>
All Services ---
T = time in seconds
PW = Password
C = character of TE character set (e.g. asterix, hash or digit in case of USSD, or digits in case of held calls or multiparty calls)
Possible responses
<m> Mode: 0 = not active, 1 = active
<n> Unsolicited result c ode: 0 = presentation disabled, 1 = presentation enabled
<status> Status: 0 = not active, 1 = active
<class> Represents BS = basic service
See Chapters 4.6 (AT+CCFC), 4.21 (AT+CLCK) and 9.4.1.
<fac> Facility lock. See Chapter 4.21 (AT+CLCK)
<reason> Call forwarding reason
Function of *# codes for Supplementary Services
*# code Abbreviation used in
Chapter 9.4
Function
* act Activate (except for CLIR, see list above)
** reg Register and activate
*# i nt Check status (interrogate)
# deact Deactivate (except for CLIR, see list above)
## eras Unregister and deactivate