Specifications

3GPP
3GPP TS 27.007 V6.3.0 (2003-
06)
3
8
Release 6
2 fax (TS 62)
3 alternating voice/data, voice first (BS 61)
4 data
5 alternating voice/fax, fax first (TS 61)
6 alternating voice/data, data first (BS 61)
7 voice followed by data (BS 81)
Implementation
Optional.
6.20 Voice Hangup Control +CVHU
Table 27: +CVHU parameter command syntax
Command
Possible response(s)
+CVHU=[<mode>]
+CVHU?
+CVHU:<mode>
+CVHU=?
+CVHU:(list of supported <mode>s)
Description
Set command selects whether ATH or "drop DTR" shall cause a voice connection to be disconnected or not. By voice
connection is also meant alternating mode calls that are currently in voice mode. (See subclause 6.6).
NOTE: When <mode> = 2, this command must be seen in conjunction with the V.250 [14] command &D. Else
&D shall be ignored.
Defined values
<mode>:
0
"Drop DTR" ignored but OK response given. ATH disconnects.
1 "Drop DTR" and ATH ignored but OK response given.
2 "Drop DTR" behaviour according to &D setting. ATH disconnects.
Implementation
Optional
6.21 V.120 rate adaption protocol +CV120
Table 28: +CV120 parameter command syntax
Command
Possible response(s)
+CV120=[<rah>[,<mfm>[,
<mode>[,<llineg>[,
<assign>[,<negtype>]]]]]]
+CV120?
+CV120: <rah>,<mfm>,<mode>,<llineg>,
<assign>,<negtype>
+CV120=?
+CV120: (list of supported <rah>s),(list of supported
<mfm>s),(list of supported <mode>s),(list of supported
<llineg>s),(list of supported <assign>s),(list of
supported <negtype>s)