Powered by Amazon Polly — outputs 8kHz PCM WAV for 3CX
<speak> wrapper is added automatically, just use tags inline.<break time="1s"/> — insert anywhere, e.g. Thank you.<break time="2s"/>Please hold."500ms") or seconds ("1s", "2.5s").<prosody rate="slow" volume="loud">word</prosody> — stress a word (louder + slower)<say-as interpret-as="characters">IT</say-as> — spell out acronyms letter by letter<say-as interpret-as="telephone">555-1234</say-as> — read as phone number