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. Italy
6. 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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