Imports webrtc-adapter

Uses adapter shimming

Event handler registration

Signaling state check

Event suppression logic

Callback invocation

Adapter Import

Navigator getUserMedia Usage

Audio Processing Constraints

FacingMode Constraint

Error Handling

Stream Validation

Uses adapter.browserDetails

Returns browser property

Returns version property

Uses adapter.extractVersion

Correct parameter passing

Proper return handling

getLocalStreams() usage

getRemoteStreams() usage

onaddstream event

Stream counting

Sender getStats usage

Receiver getStats usage

Empty state handling

Uses sctp.maxMessageSize

Handles null/undefined

Handles size comparison

Calculates message bytes

Implements chunking logic

createOffer usage

setLocalDescription call

Plain object handling

setRemoteDescription call

Returns SDP string

Import webrtc-adapter

RTCPeerConnection creation

Audio track addition

Access RTCRtpSender.dtmf

Check DTMF availability

Use insertDTMF method

Configure timing parameters

Import adapter

Use browserDetails

Check RTCPeerConnection

Check getUserMedia

Check RTCSessionDescription

Check RTCIceCandidate

Return correct structure

Adapter Import

ConnectionState Access

IceConnectionState Mapping

Event Listener Setup

State Change Detection