diff --git a/xwords4/common/comms.c b/xwords4/common/comms.c
index 80e252dc7..84f3c3eff 100644
--- a/xwords4/common/comms.c
+++ b/xwords4/common/comms.c
@@ -1070,16 +1070,20 @@ relayCmdToStr( XWRELAY_Cmd cmd )
 
 static void
 got_connect_cmd( CommsCtxt* comms, XWStreamCtxt* stream, 
-                 CommsRelayState newState )
+                 XP_Bool reconnected )
 {
     XP_U16 nHere, nSought;
 
-    set_relay_state( comms, newState );
+    set_relay_state( comms, reconnected ? COMMS_RELAYSTATE_RECONNECTED
+                     : COMMS_RELAYSTATE_CONNECTED );
 
     comms->r.heartbeat = stream_getU16( stream );
-    nHere = (XP_U16)stream_getU8( stream );
     nSought = (XP_U16)stream_getU8( stream );
-    /* This may belong as an alert to user so knows has connected. */
+    nHere = (XP_U16)stream_getU8( stream );
+    if ( ! reconnected ) {
+        /* This may belong as an alert to user so knows has connected. */
+        (*comms->procs.rconnd)( comms->procs.closure, XP_FALSE, nSought - nHere );
+    }
     XP_LOGF( "%s: have %d of %d players", __func__, nHere, nSought );
     setHeartbeatTimer( comms );
 }
@@ -1098,14 +1102,15 @@ relayPreProcess( CommsCtxt* comms, XWStreamCtxt* stream, XWHostID* senderID )
     switch( cmd ) {
 
     case XWRELAY_CONNECT_RESP:
-        got_connect_cmd( comms, stream, COMMS_RELAYSTATE_CONNECTED );
+        got_connect_cmd( comms, stream, XP_FALSE );
         break;
     case XWRELAY_RECONNECT_RESP:
-        got_connect_cmd( comms, stream, COMMS_RELAYSTATE_RECONNECTED );
+        got_connect_cmd( comms, stream, XP_TRUE );
         comms_resendAll( comms );
         break;
 
     case XWRELAY_ALLHERE:
+    case XWRELAY_ALLBACK:
         srcID = (XWHostID)stream_getU8( stream );
         XP_ASSERT( comms->r.myHostID == HOST_ID_NONE
                    || comms->r.myHostID == srcID );
@@ -1135,6 +1140,9 @@ relayPreProcess( CommsCtxt* comms, XWStreamCtxt* stream, XWHostID* senderID )
         if ( COMMS_RELAYSTATE_RECONNECTED != comms->r.relayState ) {
             comms_resendAll( comms );
         }
+        if ( XWRELAY_ALLHERE == cmd ) { /* initial connect? */
+            (*comms->procs.rconnd)( comms->procs.closure, XP_TRUE, 0 );
+        }
         set_relay_state( comms, COMMS_RELAYSTATE_ALLCONNECTED );
         break;
     case XWRELAY_MSG_FROMRELAY:
diff --git a/xwords4/common/comms.h b/xwords4/common/comms.h
index 388c71061..2793e7a10 100644
--- a/xwords4/common/comms.h
+++ b/xwords4/common/comms.h
@@ -117,6 +117,8 @@ typedef void (*TransportReset)( void* closure );
 
 #ifdef XWFEATURE_RELAY
 typedef void (*RelayStatusProc)( void* closure, CommsRelayState newState );
+typedef void (*RelayConndProc)( void* closure, XP_Bool allHere, 
+                                XP_U16 nMissing );
 typedef void (*RelayErrorProc)( void* closure, XWREASON relayErr );
 #endif
 
@@ -127,6 +129,7 @@ typedef struct _TransportProcs {
 #endif
 #ifdef XWFEATURE_RELAY
     RelayStatusProc rstatus;
+    RelayConndProc rconnd;
     RelayErrorProc rerror;
 #endif
     void* closure;