Only send one if the answer has a party_id set Also change some event types to the enum and rename receivedAnswer to be more consistent
Start the migration to v1 VoIP by supporting m.call.reject, which we'll send if the caller says they're v1. Our version stays as v0 for now, until we speak the rest of v1. Honour the default reaosn in a hangup being user_hangup.
Co-authored-by: Travis Ralston <travpc@gmail.com>
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>