7 single numbering scheme - +csns, 8 voice hang up control - +cvhu – Rainbow Electronics GM862-QUAD-PY User Manual
Page 77

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 77 of 434
+CRC - Cellular Result Codes
SELINT 2
where
ASYNC - asynchronous transparent data
SYNC - synchronous transparent data
REL ASYNC - asynchronous non-transparent data
REL SYNC - synchronous non-transparent data
FAX - facsimile (TS 62)
VOICE - normal voice (TS 11)
AT+CRC?
Read command returns current value of the parameter
AT+CRC=?
Test command returns supported values of the parameter
Reference GSM
07.07
3.5.4.2.7 Single Numbering Scheme - +CSNS
+CSNS - Single Numbering Scheme
SELINT 0 / 1 / 2
AT+CSNS=
[
Set command selects the bearer to be used when mobile terminated single
numbering scheme call is established. Parameter values set with +CBST
command shall be used when
Parameter:
0 - voice (factory default)
2 - fax (TS 62)
4 - data
Note: if +CBST parameter is set to a value that is not applicable to single
numbering calls, ME/TA shall map the value to the closest valid one. E.g. if
user has set
asynchronous 9600 bps V.110 ISDN connection) for mobile originated calls,
ME/TA shall map the values into non-trasparent asynchronous 9600 bps
V.32 modem connection when single numbering scheme call is answered.
AT+CSNS?
Read command returns current value of the parameter
AT+CSNS=?
Test command returns supported values of parameter
Reference GSM
07.07
3.5.4.2.8 Voice Hang Up Control - +CVHU
+CVHU - Voice Hang Up Control
SELINT 0 / 1
AT+CVHU[=
Set command selects whether ATH or “drop DTR" shall cause a voice
connection to be disconnected or not.
Parameter:
1 - "Drop DTR" and ATH ignored but OK result code given.
2 - "Drop DTR" behaviour according to &D setting. ATH disconnects