Specifications

HE863 family AT commands reference guide
80377ST10083a Rev.4 – 2012-02-01
Reproduction forbidden without written authorization from Telit Communications S.p.A.- All Rights Reserved. Page 51 of 228
+CRC - Cellular Result Codes
VOICE - normal voice (TS 11)
AT+CRC?
Read command returns current value of the parameter <mode>.
AT+CRC=?
Test command returns supported values of the parameter <mode>.
Reference 3GPP TS 27.007
3.5.3.2.8. Voice Hang Up Control - +CVHU
+CVHU - Voice Hang Up Control
AT+CVHU=
[<mode>]
Set command selects whether ATH or "drop DTR" shall cause a voice connection
to be disconnected or not.
Parameter:
<mode>
0 - "Drop DTR" ignored but OK result code given. ATH disconnects.
1 - "Drop DTR" and ATH ignored but OK result code given.
2 - "Drop DTR" behaviour according to &D setting. ATH disconnects
(factory default).
AT+CVHU?
Read command reports the current value of the <mode> parameter, in the format:
+CVHU: <mode>
AT+CVHU=?
Test command reports the range of supported values for parameter <mode>
3.5.3.3. Network Service Handling
3.5.3.3.1. Subscriber Number - +CNUM
+CNUM - Subscriber Number
AT+CNUM
Execution command returns the MSISDN (if the phone number of the device has
been stored in the SIM card) in the format:
+CNUM: <alpha>,<number>,<type>[<CR><LF>
+CNUM: <alpha>,<number>,<type>[…]]
where:
<alpha> - alphanumeric string associated to <number>; used character set should
be the one selected with +CSCS.
<number> - string containing the phone number in the format <type>
<type> - type of number:
129 - national numbering scheme
145 - international numbering scheme (contains the character "+").
AT+CNUM=?
Test command returns the OK result code
Example AT+CNUM
+CNUM: "PHONENUM1","2173848500",129
+CNUM: "FAXNUM","2173848501",129
+CNUM: "DATANUM","2173848502",129
Reference 3GPP TS 27.007