Protocol

DTMF (RFC 4733)

telephone-event

Lab ready Full lab

RTP payload format for named telephone events such as DTMF digits, replacing unreliable in-band tones. Event, end bit, volume, and duration fields describe each tone; redundant transmissions cover loss. SDP negotiates telephone-event and the supported event set.

Domains

Tags

dtmfrfc4733tonespayload

Sources

  • RFC 4733

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