Does Plivo have any restrictions on domestic caller IDs or DTMF?

A caller ID or calling line identity (CLI) is assigned when you make a call, and it's transmitted to the caller’s phone. In the case of a domestic CLI, it applies to in-country calls.

When a country or region is supported for domestic caller IDs, the caller ID is the "From" number displayed on the receiver’s device. 

Plivo guarantees domestic caller IDs in these countries:

  1. United States
  2. Canada
  3. United Kingdom
  4. Australia
  5. Peru

We're working toward supporting domestic caller IDs across more geographical regions.

Dual-tone multi-frequency (DTMF) tones are audio call signals that are usually transmitted over voice frequencies. They're the tones that are generated when you push a regular phone’s keys. They’re commonly used in interactive voice response systems (IVR) and audio conferencing.

Plivo does not provide DTMF support in China.

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