Report call enabled features in SIPCallInfo (#884)

---------

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

.changeset/plenty-parrots-count.md

@@ -0,0 +1,5 @@
+---
+"@livekit/protocol": patch
+---
+
+Report call enabled features in SIPCallInfo

protobufs/livekit_sip.proto

@@ -448,12 +448,15 @@ message SIPCallInfo {
   string participant_identity = 5;
   SIPUri from_uri = 6;
   SIPUri to_uri = 7;
+  repeated SIPFeature enabled_features = 14;
   SIPCallStatus call_status = 8;
   int64 created_at = 9;
   int64 started_at = 10;
   int64 ended_at = 11;
   DisconnectReason disconnect_reason = 12;
   string error = 13;
+
+  // NEXT ID: 15
 }
 
 message SIPUri {
@@ -471,3 +474,8 @@ enum SIPCallStatus {
   SCS_DISCONNECTED = 3; // Call has ended
   SCS_ERROR = 4; // Call has ended or never succeeded because of an error
 }
+
+enum SIPFeature {
+  NONE = 0;
+  KRISP_ENABLED = 1;
+}

protobufs/rpc/io.proto

@@ -21,7 +21,6 @@ option go_package = "github.com/livekit/protocol/rpc";
 import "livekit_egress.proto";
 import "livekit_ingress.proto";
 import "livekit_sip.proto";
-import "rpc/sip.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/duration.proto";
 
@@ -170,7 +169,7 @@ message EvaluateSIPDispatchRulesResponse {
   // Keys are the names of X-* headers and values are the names of attributes they will be mapped to.
   map<string, string> headers_to_attributes = 14;
 
-  repeated SIPFeature enabled_features = 15;
+  repeated livekit.SIPFeature enabled_features = 15;
 
   // Max time for the caller to wait for track subscription.
   google.protobuf.Duration ringing_timeout = 16;

protobufs/rpc/sip.proto

@@ -82,7 +82,7 @@ message InternalCreateSIPParticipantRequest {
   map<string, string> headers = 21;
   map<string, string> headers_to_attributes = 22;
 
-  repeated SIPFeature enabled_features = 25;
+  repeated livekit.SIPFeature enabled_features = 25;
 
   // Max time for the callee to answer the call.
   google.protobuf.Duration ringing_timeout = 23;
@@ -106,7 +106,3 @@ message InternalTransferSIPParticipantRequest {
   bool play_dialtone = 3;
 }
 
-enum SIPFeature {
-  NONE = 0;
-  KRISP_ENABLED = 1;
-}