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Extend configuration for ice gathering process #550

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Extend configuration for ice gathering process #550

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bb0f8e1
extend configuration for ice gathering process
Mar 4, 2025
73dfb94
fix code format
Jul 11, 2025
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31 changes: 30 additions & 1 deletion lib/src/sip_ua_helper.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -372,7 +372,11 @@ class SIPUAHelper extends EventManager {
'iceTransportPolicy':
(_uaSettings?.iceTransportPolicy ?? IceTransportPolicy.ALL)
.toParameterString(),
'iceServers': _uaSettings?.iceServers
'iceServers': _uaSettings?.iceServers,
'tcpCandidatePolicy':
(_uaSettings?.tcpCandidatePolicy ?? TcpCandidatePolicy.ENABLED)
.toParameterString(),
'iceCandidatePoolSize': _uaSettings?.iceCandidatePoolSize
},
'mediaConstraints': <String, dynamic>{
'audio': true,
Expand Down Expand Up @@ -853,6 +857,19 @@ extension _IceTransportPolicyEncoding on IceTransportPolicy {
}
}

enum TcpCandidatePolicy { ENABLED, DISABLED }

extension _TcpCandidatePolicyEncoding on TcpCandidatePolicy {
String toParameterString() {
switch (this) {
case TcpCandidatePolicy.ENABLED:
return 'enabled';
case TcpCandidatePolicy.DISABLED:
return 'disabled';
}
}
}

class UaSettings {
WebSocketSettings webSocketSettings = WebSocketSettings();
TcpSocketSettings tcpSocketSettings = TcpSocketSettings();
Expand Down Expand Up @@ -918,6 +935,18 @@ class UaSettings {
/// Will default to [IceTransportPolicy.ALL] if not specified.
IceTransportPolicy? iceTransportPolicy;

/// Allows to disable tcp candidates gathering
/// Will default to [TcpCandidatePolicy.ENABLED] if not specified.
TcpCandidatePolicy? tcpCandidatePolicy;

/// An unsigned 16-bit integer value which specifies the size of the prefetched
/// ICE candidate pool. The default value is 0 (meaning no candidate prefetching will occur).
/// You may find in some cases that connections can be established more quickly
/// by allowing the ICE agent to start fetching ICE candidates before you start
/// trying to connect, so that they're already available for inspection
/// when RTCPeerConnection.setLocalDescription() is called.
int iceCandidatePoolSize = 0;

/// Controls which kind of messages are to be sent to keep a SIP session
/// alive.
/// Defaults to "UPDATE"
Expand Down