diff --git a/src/ca/udpiiu.cpp b/src/ca/udpiiu.cpp
index 755875aa7..625bead9f 100644
--- a/src/ca/udpiiu.cpp
+++ b/src/ca/udpiiu.cpp
@@ -81,8 +81,9 @@ udpiiu::udpiiu (
         cac::lowestPriorityLevelAbove (
             cac::lowestPriorityLevelAbove (
                 cac.getInitializingThreadsPriority () ) ) ),
+    m_repeaterTimerNotify ( *this ),
     repeaterSubscribeTmr (
-        *this, timerQueue, cbMutexIn, ctxNotifyIn ),
+        m_repeaterTimerNotify, timerQueue, cbMutexIn, ctxNotifyIn ),
     govTmr ( *this, timerQueue, cacMutexIn ),
     maxPeriod ( maxSearchPeriodDefault ),
     rtteMean ( minRoundTripEstimate ),
@@ -397,14 +398,14 @@ void udpRecvThread::run ()
 }
 
 /*
- *  udpiiu::repeaterRegistrationMessage ()
+ *  udpiiu::M_repeaterTimerNotify::repeaterRegistrationMessage ()
  *
  *  register with the repeater 
  */
-void udpiiu::repeaterRegistrationMessage ( unsigned attemptNumber )
+void udpiiu :: M_repeaterTimerNotify :: repeaterRegistrationMessage ( unsigned attemptNumber )
 {
-    epicsGuard < epicsMutex > cbGuard ( this->cacMutex );
-    caRepeaterRegistrationMessage ( this->sock, this->repeaterPort, attemptNumber );
+    epicsGuard < epicsMutex > cbGuard ( m_udpiiu.cacMutex );
+    caRepeaterRegistrationMessage ( m_udpiiu.sock, m_udpiiu.repeaterPort, attemptNumber );
 }
 
 /*
@@ -1233,16 +1234,16 @@ void udpiiu::govExpireNotify (
     this->ppSearchTmr[0]->installChannel ( guard, chan );
 }
 
-int udpiiu :: printFormated ( 
-    epicsGuard < epicsMutex > & cbGuard, 
-                    const char * pformat, ... )
+int udpiiu :: M_repeaterTimerNotify :: printFormated ( 
+                            epicsGuard < epicsMutex > & cbGuard, 
+                            const char * pformat, ... )
 {
     va_list theArgs;
     int status;
 
     va_start ( theArgs, pformat );
     
-    status = this->cacRef.varArgsPrintFormated ( cbGuard, pformat, theArgs );
+    status = m_udpiiu.cacRef.varArgsPrintFormated ( cbGuard, pformat, theArgs );
     
     va_end ( theArgs );
     
diff --git a/src/ca/udpiiu.h b/src/ca/udpiiu.h
index 3c9327547..5a0f869e1 100644
--- a/src/ca/udpiiu.h
+++ b/src/ca/udpiiu.h
@@ -88,8 +88,7 @@ static const double beaconAnomalySearchPeriod = 5.0; // seconds
 class udpiiu : 
     private netiiu, 
     private searchTimerNotify, 
-    private disconnectGovernorNotify,
-    private repeaterTimerNotify {
+    private disconnectGovernorNotify {
 public:
     udpiiu ( 
         epicsGuard < epicsMutex > & cacGuard,
@@ -139,9 +138,24 @@ private:
     private:
         udpiiu & _udpiiu;
     };
+    class M_repeaterTimerNotify : 
+        public repeaterTimerNotify {
+    public:
+        M_repeaterTimerNotify ( udpiiu & iiu ) : 
+            m_udpiiu ( iiu ) {}
+        // repeaterTimerNotify
+        void repeaterRegistrationMessage ( 
+            unsigned attemptNumber );
+        int printFormated ( 
+            epicsGuard < epicsMutex > & callbackControl, 
+            const char * pformat, ... );
+    private:
+        udpiiu & m_udpiiu;
+    };
     char xmitBuf [MAX_UDP_SEND];   
     char recvBuf [MAX_UDP_RECV];
     udpRecvThread recvThread;
+    M_repeaterTimerNotify m_repeaterTimerNotify;
     repeaterSubscribeTimer repeaterSubscribeTmr;
     disconnectGovernorTimer govTmr;
     tsDLList < SearchDest > _searchDestList;
@@ -278,14 +292,6 @@ private:
     void govExpireNotify ( 
         epicsGuard < epicsMutex > &, nciu & );
 
-    // repeaterTimerNotify
-    void repeaterRegistrationMessage ( 
-        unsigned attemptNumber );
-
-    int printFormated ( 
-        epicsGuard < epicsMutex > & callbackControl, 
-        const char * pformat, ... );
-
 	udpiiu ( const udpiiu & );
 	udpiiu & operator = ( const udpiiu & );