diff --git a/go.mod b/go.mod
index c52893348..6d94e0d05 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/jxskiss/base62 v1.1.0
 	github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1
 	github.com/livekit/mediatransportutil v0.0.0-20240416023643-881d3dc5423e
-	github.com/livekit/protocol v1.15.1-0.20240510165606-93a26f478d00
+	github.com/livekit/protocol v1.16.1-0.20240523171447-90dfd668f42f
 	github.com/livekit/psrpc v0.5.3-0.20240426045048-8ba067a45715
 	github.com/mackerelio/go-osstat v0.2.4
 	github.com/magefile/mage v1.15.0
diff --git a/go.sum b/go.sum
index 9f0c6263c..6a8e67882 100644
--- a/go.sum
+++ b/go.sum
@@ -120,8 +120,8 @@ github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1 h1:jm09419p0lqTkD
 github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1/go.mod h1:Rs3MhFwutWhGwmY1VQsygw28z5bWcnEYmS1OG9OxjOQ=
 github.com/livekit/mediatransportutil v0.0.0-20240416023643-881d3dc5423e h1:ss4VwrouYiDpuNJ9BUTH+WsW+GDdJS70iZp8ii3/0Lc=
 github.com/livekit/mediatransportutil v0.0.0-20240416023643-881d3dc5423e/go.mod h1:jwKUCmObuiEDH0iiuJHaGMXwRs3RjrB4G6qqgkr/5oE=
-github.com/livekit/protocol v1.15.1-0.20240510165606-93a26f478d00 h1:c5VOR2XrAgxjwvWpQIA0lDUX+YcpxGzxXtaRfhu510E=
-github.com/livekit/protocol v1.15.1-0.20240510165606-93a26f478d00/go.mod h1:pnn0Dv+/0K0OFqKHX6J6SreYO1dZxl6tDuAZ1ns8L/w=
+github.com/livekit/protocol v1.16.1-0.20240523171447-90dfd668f42f h1:T4Twu81WbBQ7HyJWv3j/D8VJ//7M4yo4s3EmdPJqcGY=
+github.com/livekit/protocol v1.16.1-0.20240523171447-90dfd668f42f/go.mod h1:pnn0Dv+/0K0OFqKHX6J6SreYO1dZxl6tDuAZ1ns8L/w=
 github.com/livekit/psrpc v0.5.3-0.20240426045048-8ba067a45715 h1:vhDMOe8fxEc/amYTFo799LySPM12Fk3vc+Nc6o4gYZQ=
 github.com/livekit/psrpc v0.5.3-0.20240426045048-8ba067a45715/go.mod h1:CQUBSPfYYAaevg1TNCc6/aYsa8DJH4jSRFdCeSZk5u0=
 github.com/mackerelio/go-osstat v0.2.4 h1:qxGbdPkFo65PXOb/F/nhDKpF2nGmGaCFDLXoZjJTtUs=
diff --git a/pkg/service/sip.go b/pkg/service/sip.go
index 172b46e5c..1772a5497 100644
--- a/pkg/service/sip.go
+++ b/pkg/service/sip.go
@@ -198,28 +198,13 @@ func (s *SIPService) CreateSIPParticipantWithToken(ctx context.Context, req *liv
 	log := logger.GetLogger()
 	log = log.WithValues("call-id", callID, "roomName", req.RoomName, "sip-trunk", req.SipTrunkId, "to-user", req.SipCallTo)
 
-	ireq := &rpc.InternalCreateSIPParticipantRequest{
-		SipCallId:           callID,
-		CallTo:              req.SipCallTo,
-		RoomName:            req.RoomName,
-		ParticipantIdentity: req.ParticipantIdentity,
-		ParticipantName:     req.ParticipantName,
-		ParticipantMetadata: req.ParticipantMetadata,
-		Dtmf:                req.Dtmf,
-		PlayRingtone:        req.PlayRingtone,
-		WsUrl:               wsUrl,
-		Token:               token,
-	}
 	trunk, err := s.store.LoadSIPTrunk(ctx, req.SipTrunkId)
 	if err != nil {
 		log.Errorw("cannot get trunk to update sip participant", err)
 		return nil, err
 	}
 	log = log.WithValues("from-user", trunk.OutboundNumber, "to-host", trunk.OutboundAddress)
-	ireq.Address = trunk.OutboundAddress
-	ireq.Number = trunk.OutboundNumber
-	ireq.Username = trunk.OutboundUsername
-	ireq.Password = trunk.OutboundPassword
+	ireq := rpc.NewCreateSIPParticipantRequest(callID, wsUrl, token, req, trunk)
 
 	// CreateSIPParticipant will wait for LiveKit Participant to be created and that can take some time.
 	// Thus, we must set a higher deadline for it, if it's not set already.