Phone negotiates RFC4733 but may not actually send telephone-event RTP packets. Inband detects DTMF from audio stream directly. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Phone negotiates RFC4733 but may not actually send telephone-event RTP packets. Inband detects DTMF from audio stream directly. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>