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DC3500 AT Commands Manual 500242R01 ... - Cooking Hacks

DC3500 AT Commands Manual 500242R01 ... - Cooking Hacks

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<strong>DC3500</strong> <strong>AT</strong> <strong>Commands</strong> Reference <strong>Manual</strong> <strong>500242R01</strong>5.17. Tone duration +VTDDescriptionThis command refers to an integer that defines the length of tones emitted as a result of the+VTS command. In GSM/UMTS the value of tone duration is preset and cannot be altered.SyntaxCommand syntax: <strong>AT</strong>+VTD=CommandPossible response(s)<strong>AT</strong>+VTD=2OKorCME ERROR: Read command+VTD: <strong>AT</strong>+VTD?Test command<strong>AT</strong>+VTD=?OK+VTD=(0-255) i.e. list of supportedsOKDefined values is a integer in range of 0 to 255. A value different than zero causes a tone of duration /10seconds. The value 1 is default. If the value 0 is selected, the tone duration is set to 1/10 seconds.5.18. DTMF and tone generation +VTSDescriptionThis command allows the transmission of DTMF tones and arbitrary tones. These tones may be usede.g. when announcing the start of a recording period. In GSM this operates only in voice mode. If theoptional parameter is left out, the tone duration is given by the setting +VTD (see +VTDdescription). The command is abortable by hit a key – proprietary feature, not covered by the GSMspecification.SyntaxCommand syntax: <strong>AT</strong>+VTS=[,]Command Possible response(s)<strong>AT</strong>+VTS=2 OKorCME ERROR: Test command +VTS: (list of s),(),(list of supported s)OKDefined values is a single ASCII character in the set 0-9, #, *, A-D. integer in range 0-255, meaning 10ms multiples.5.19. Redial last telephone number <strong>AT</strong>DLDescriptionThis command is used to redial the last number used in the <strong>AT</strong>D command. This command isabortable.SyntaxCommand syntax: <strong>AT</strong>DLCommand<strong>AT</strong>DLPossible response(s)OKorCME ERROR: Confidential DAVISCOMMS (S) PTE LTD 29 /136

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