diff --git a/src/ca/access.cpp b/src/ca/access.cpp
index 722e4d7d1..7d037c269 100644
--- a/src/ca/access.cpp
+++ b/src/ca/access.cpp
@@ -1088,6 +1088,12 @@ double epicsShareAPI ca_beacon_period ( chid pChan )
     return pChan->beaconPeriod ();
 }
 
+// extern "C"
+double epicsShareAPI ca_receive_watchdog_delay ( chid pChan )
+{
+    return pChan->receiveWatchdogDelay ();
+}
+
 /*
  * ca_get_ioc_connection_count()
  *
diff --git a/src/ca/cacChannel.cpp b/src/ca/cacChannel.cpp
index 82317f6bb..b50211ae5 100644
--- a/src/ca/cacChannel.cpp
+++ b/src/ca/cacChannel.cpp
@@ -59,6 +59,11 @@ double cacChannel::beaconPeriod () const
     return - DBL_MAX;
 }
 
+double cacChannel::receiveWatchdogDelay () const
+{
+    return - DBL_MAX;
+}
+
 bool cacChannel::ca_v42_ok () const 
 {
     return true;
diff --git a/src/ca/cacIO.h b/src/ca/cacIO.h
index 0f70cebcc..f86f4a201 100644
--- a/src/ca/cacIO.h
+++ b/src/ca/cacIO.h
@@ -179,6 +179,7 @@ public:
     virtual caAccessRights accessRights () const; // defaults to unrestricted access
     virtual unsigned searchAttempts () const; // defaults to zero
     virtual double beaconPeriod () const; // defaults to negative DBL_MAX
+    virtual double receiveWatchdogDelay () const; // defaults to negative DBL_MAX
     virtual bool ca_v42_ok () const; // defaults to true
     virtual bool connected () const; // defaults to true
     virtual void hostName (
diff --git a/src/ca/cadef.h b/src/ca/cadef.h
index ab48d2441..c0fd976b9 100644
--- a/src/ca/cadef.h
+++ b/src/ca/cadef.h
@@ -935,6 +935,8 @@ epicsShareFunc void epicsShareAPI ca_self_test (void);
 epicsShareFunc unsigned epicsShareAPI ca_beacon_anomaly_count (void);
 epicsShareFunc unsigned epicsShareAPI ca_search_attempts (chid chan);
 epicsShareFunc double epicsShareAPI ca_beacon_period (chid chan);
+epicsShareFunc double epicsShareAPI ca_receive_watchdog_delay (chid chan);
+
 
 /*
  * used when an auxillary thread needs to join a CA client context started
diff --git a/src/ca/nciu.cpp b/src/ca/nciu.cpp
index 5429a10eb..effb60b4a 100644
--- a/src/ca/nciu.cpp
+++ b/src/ca/nciu.cpp
@@ -396,6 +396,12 @@ double nciu::beaconPeriod () const
     return this->cacCtx.beaconPeriod ( *this );
 }
 
+double nciu::receiveWatchdogDelay () const
+{
+    epicsGuard < cacMutex > locker ( this->cacCtx.mutexRef() );
+    return this->piiu->receiveWatchdogDelay ();
+}
+
 void nciu::show ( unsigned level ) const
 {
     epicsGuard < cacMutex > locker ( this->cacCtx.mutexRef() );
diff --git a/src/ca/nciu.h b/src/ca/nciu.h
index 5d78c4e8f..15888a7e5 100644
--- a/src/ca/nciu.h
+++ b/src/ca/nciu.h
@@ -127,6 +127,7 @@ private:
     caAccessRights accessRights () const;
     unsigned searchAttempts () const;
     double beaconPeriod () const;
+    double receiveWatchdogDelay () const;
     bool ca_v42_ok () const;
     void hostName ( char *pBuf, unsigned bufLength ) const;
     static void stringVerify ( const char *pStr, const unsigned count );
diff --git a/src/ca/netiiu.h b/src/ca/netiiu.h
index 93048d9ba..a58ccaf15 100644
--- a/src/ca/netiiu.h
+++ b/src/ca/netiiu.h
@@ -66,6 +66,7 @@ public:
     virtual void requestRecvProcessPostponedFlush () = 0;
     virtual osiSockAddr getNetworkAddress () const = 0;
     virtual void uninstallChan ( epicsGuard < cacMutex > &, nciu & ) = 0;
+    virtual double receiveWatchdogDelay () const = 0;
 };
 
 #endif // netiiuh
diff --git a/src/ca/oldAccess.h b/src/ca/oldAccess.h
index 873003ba1..386f972e5 100644
--- a/src/ca/oldAccess.h
+++ b/src/ca/oldAccess.h
@@ -80,6 +80,7 @@ public:
     caAccessRights accessRights () const; // defaults to unrestricted access
     unsigned searchAttempts () const; // defaults to zero
     double beaconPeriod () const; // defaults to negative DBL_MAX
+    double receiveWatchdogDelay () const; // defaults to negative DBL_MAX
     bool ca_v42_ok () const; 
     bool connected () const; 
     bool previouslyConnected () const;
@@ -401,6 +402,11 @@ inline double oldChannelNotify::beaconPeriod () const
     return this->io.beaconPeriod ();
 }
 
+inline double oldChannelNotify::receiveWatchdogDelay () const
+{
+    return this->io.receiveWatchdogDelay ();
+}
+
 inline bool oldChannelNotify::ca_v42_ok () const
 {
     return this->io.ca_v42_ok ();
diff --git a/src/ca/tcpRecvWatchdog.cpp b/src/ca/tcpRecvWatchdog.cpp
index c279b6570..176a091d3 100644
--- a/src/ca/tcpRecvWatchdog.cpp
+++ b/src/ca/tcpRecvWatchdog.cpp
@@ -137,6 +137,11 @@ void tcpRecvWatchdog::cancel ()
     debugPrintf ( ("canceling TCP recv watchdog\n") );
 }
 
+double tcpRecvWatchdog::delay () const
+{
+    return this->timer.getExpireDelay ();
+}
+
 void tcpRecvWatchdog::show ( unsigned level ) const
 {
     ::printf ( "Receive virtual circuit watchdog at %p, period %f\n",
diff --git a/src/ca/tcpRecvWatchdog.h b/src/ca/tcpRecvWatchdog.h
index 5c5958922..6b3b0db78 100644
--- a/src/ca/tcpRecvWatchdog.h
+++ b/src/ca/tcpRecvWatchdog.h
@@ -46,6 +46,7 @@ public:
     void connectNotify ();
     void cancel ();
     void show ( unsigned level ) const;
+    double delay () const;
 private:
     const double period;
     epicsTimer & timer;
diff --git a/src/ca/udpiiu.cpp b/src/ca/udpiiu.cpp
index 28506789d..8775ad3f8 100644
--- a/src/ca/udpiiu.cpp
+++ b/src/ca/udpiiu.cpp
@@ -621,12 +621,12 @@ bool udpiiu::searchRespAction ( // X aCC 361
     if ( CA_V42 ( minorVersion ) ) {
         success = this->cacRef.lookupChannelAndTransferToTCP 
             ( cbLocker, msg.m_available, msg.m_cid, 0xffff, 
-                0, minorVersion, serverAddr, currentTime );
+                0, minorVersion, serverAddr );
     }
     else {
         success = this->cacRef.lookupChannelAndTransferToTCP 
             ( cbLocker, msg.m_available, msg.m_cid, msg.m_dataType, 
-                msg.m_count, minorVersion, serverAddr, currentTime );
+                msg.m_count, minorVersion, serverAddr );
     }
 
     if ( success ) {
@@ -1153,5 +1153,11 @@ osiSockAddr udpiiu::getNetworkAddress () const
     return netiiu::getNetworkAddress ();
 }
 
+double udpiiu::receiveWatchdogDelay () const
+{
+    return - DBL_MAX;
+}
+
+
 
 
diff --git a/src/ca/udpiiu.h b/src/ca/udpiiu.h
index 1fe26bcad..3256465d7 100644
--- a/src/ca/udpiiu.h
+++ b/src/ca/udpiiu.h
@@ -182,6 +182,7 @@ private:
         ( cacNotify &, epicsGuard < cacMutex > & );
     void requestRecvProcessPostponedFlush ();
     osiSockAddr getNetworkAddress () const;
+    double receiveWatchdogDelay () const;
 
 	udpiiu ( const udpiiu & );
 	udpiiu & operator = ( const udpiiu & );
diff --git a/src/ca/virtualCircuit.h b/src/ca/virtualCircuit.h
index 0e57a3266..ed42a83ee 100644
--- a/src/ca/virtualCircuit.h
+++ b/src/ca/virtualCircuit.h
@@ -183,6 +183,7 @@ private:
     const char * pHostName () const;
     void blockUntilBytesArePendingInOS ();
     void shutdown ( epicsGuard <cacMutex > & ); 
+    double receiveWatchdogDelay () const;
 
     // send protocol stubs
     void echoRequest ( epicsGuard < cacMutex > & );