Rainbow Electronics GM862-QUAD-PY - Manual (Page 150)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 150 of 434
+VTD - Tone Duration SELINT 0 / 1
Reference GSM 07.07 and TIA IS-101
+VTD - Tone Duration
SELINT 2
AT+VTD=
<duration> Set command sets the length of tones transmitted with +VTS command.
Parameter:
<duration> - duration of a tone
0 - the duration of every single tone is dependent on the network (factory
default)
1..255 - duration of every single tone in 1/10 sec.
AT+VTD? Read command reports the current Tone Duration, in the format:
<duration>
AT+VTD=? Test command provides the list of supported <duration>s in the format:
(list of supported <duration>s)
Reference GSM 07.07 and TIA IS-101
3.5.4.7 Commands For GPRS
3.5.4.7.1 GPRS Mobile Station Class - +CGCLASS
+CGCLASS - GPRS Mobile Station Class SELINT 0 / 1
AT+CGCLASS
[=<class>] Set command sets the GPRS class according to <class> parameter.
Parameter:
<class> - GPRS class
“B” - GSM/GPRS (factory default)
“CG” - class C in GPRS only mode (GPRS only)
“CC” - class C in circuit switched only mode (GSM only)
Note: the setting is saved in NVM (and available on following reboot).
Note: if parameter <class> is omitted, then the behaviour of Set command
is the same as Read command.
AT+CGCLASS? Read command returns the current value of the GPRS class in the format:
+CGLASS: <class>
AT+CGCLASS=? Test command reports the range for the parameter <class>
+CGCLASS - GPRS mobile station class
SELINT 2
AT+CGCLASS=
[<class>] Set command sets the GPRS class according to <class> parameter.
Parameter:
<class> - GPRS class