Speech-to-Text has launched two models, named telephony and telephony_short

## Feature Speech-to-Text has launched two models, named `telephony` and `telephony_short`. The two models are customized to recognize audio that originates from a phone call and corresponds to the most recent versions of the existing `phone_call` model. For more information, see [Speech-to-Text supported languages](https://cloud.google.com/speech-to-text/docs/speech-to-text-supported-languages).