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Tonmind IP Speaker DTMF Function: Trigger Audio Files and HTTP URLs via SIP Phone
Aug 11 , 2026
Tonmind IP Speakers support DTMF (Dual-Tone Multi-Frequency) control, providing a simple and flexible way to trigger preset actions directly from an external SIP phone or softphone. With a SIP application such as Linphone, users can make a SIP call to a Tonmind IP Speaker and press a predefined number on the keypad. The corresponding DTMF command can then trigger an audio file stored on the IP Spe...
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