Technical information

Chapter 3: AT Commands Reference
August 5, 2008 AT Commands Reference Manual 3-255
The following table shows the +CRTT parameters.
Read
AT+CRTT? +CRTT:
<RingTypeNumber>
OK
or:
+CME ERROR: <err>
The Read command returns the ring
type number.
Test
AT+CRTT=? +CRTT: (list of
supported
<RingTypeNumber>s),
(list of supported
<operation>s)
OK
or:
+CME ERROR: <err>
The Test command returns the list of
supported tone type numbers and
operations.
Table 3-167: +CRTT Parameters
<Parameter> Description
<RingType
Number>
Ring tone styles (see Table 3-168)
<operation> Play or set a tone
0 Play (play one cycle)
1Set
2 Stop
Command
Type Syntax Response/Action Remarks