transferbridge

package

v1.3.0 Latest Latest Go to latest Published: Jun 8, 2026 License: MIT Imports: 11 Imported by: 0

Details

Package transferbridge wires two SIP media legs (protocol/sipmedia/session) after a signaling-only transfer (protocol/sip/transfer) completes.

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type Manager struct {
	// contains filtered or unexported fields
}

Manager tracks active two-leg bridges keyed by inbound or outbound Call-ID.

func NewManager() *Manager

NewManager creates an empty bridge registry.

func (m *Manager) Active(callID string) bool

Active reports whether callID participates in a bridge.

func (m *Manager) MigrateOutboundCallID(inbound, oldOut, newOut string)

MigrateOutboundCallID rekeys bridge when SBC rewrites outbound dialog Call-ID.

func (m *Manager) StartBridge(inbound, outbound *session.CallSession) error

StartBridge stops AI/media on both legs and bridges RTP (raw relay or PCM transcode).

func (m *Manager) StopBridge(callID string)

StopBridge tears down the bridge containing callID.

type MediaCoordinator struct {
	Signaling *siptransfer.Coordinator
	Bridges   *Manager
	Lookup    SessionLookup
}

MediaCoordinator composes signaling transfer (sip/transfer) with media bridging.

func NewMediaCoordinator(sig *siptransfer.Coordinator, lookup SessionLookup, bridges *Manager) *MediaCoordinator

NewMediaCoordinator builds a coordinator with a fresh bridge manager when nil.

func (m *MediaCoordinator) HandleDialEvent(evt outbound.DialEvent)

HandleDialEvent wires outbound dial events: REFER NOTIFY via signaling, bridge on established.

func (m *MediaCoordinator) HandleDialogCallIDAdopted(oldID, newID, correlationID string)

HandleDialogCallIDAdopted rekeys the media bridge when outbound Call-ID changes.

type SessionLookup func(callID string) *session.CallSession

SessionLookup resolves media sessions by Call-ID.