Cloud Softphone Features
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      1. Acrobits & Cloud Softphone FAQ
      2. Cloud Softphone (Business Solution) FAQ
      3. Cloud Softphone Features

      Do your apps support DTMF?

      Our apps, including Cloud Softphone, Acrobits Softphone, and Groundwire, support RFC 2833, SIP INFO, and in-band audio methods for DTMF.

      Yes, our apps support DTMF.