Specifications

UC864-E/G AT Commands Reference Guide
80304ST10041a Rev. 3 - 18/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 60 of 259
3.5.4.2 Call Control
3.5.4.2.1 Hang Up Call - +CHUP
+CHUP - Hang Up Call
AT+CHUP Execution command cancels all active and held calls, also if a multi-party
session is running.
AT+CHUP=? Test command returns the OK result code
Reference GSM 07.07
3.5.4.2.2 Select type of address - +CSTA
+CSTA - Select type of address
AT+CSTA=[<type>] Set command selects the type of number for further dialling commands (D)
according to GSM/UMTS specifications.
Parameter:
<type>: type of address octet in integer format (refer TS 24.008 [8]
subclause 10.5.4.7); default 145 when dialling string includes international
access code character "+", otherwise 129
AT+CSTA? Read command returns selected <type>
AT+CSTA =? Test command returns supported <type>s
Reference 3GPP TS 27.007
3.5.4.2.3 Select Bearer Service Type - +CBST
+CBST - Select Bearer Service Type
AT+CBST=
[<speed>
[,<name>
[,<ce>]]]
Set command sets the bearer service <name> with data rate <speed>, and
the connection element <ce> to be used when data calls are originated.
This setting is also used during mobile terminated data call setup, in case of
single numbering scheme calls (refer +CSNS).
Parameters:
<speed> - data rate
0 - autobauding (autobaud)
7 - 9600 bps (V.32)
12 - 9600 bps (V.34)
14 - 14400 bps (V.34)
16 - 28800 bps (V.34)
17 - 33600 bps (V.34)
39 - 9600 bps (V.120)
43 - 14400 bps (V.120)
48 - 28800 bps (V.120)