diff --git a/audio-mixer/src/main.cpp b/audio-mixer/src/main.cpp
index 5f9b79264c..d473a8172e 100644
--- a/audio-mixer/src/main.cpp
+++ b/audio-mixer/src/main.cpp
@@ -391,6 +391,10 @@ int main(int argc, const char* argv[]) {
                 
                 // give the new audio data to the matching injector agent
                 agentList->updateAgentWithData(matchingInjector, packetData, receivedBytes);
+            } else if (packetData[0] == PACKET_HEADER_PING) {
+
+                // If the packet is a ping, let processAgentData handle it.
+                agentList->processAgentData(agentAddress, packetData, receivedBytes);
             }
         }
         
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 776fbfc9bb..7177ea1813 100755
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -833,9 +833,23 @@ void Application::wheelEvent(QWheelEvent* event) {
     }
 }
 
+void sendPingPackets() {
+
+    char agentTypesOfInterest[] = {AGENT_TYPE_VOXEL_SERVER, AGENT_TYPE_AUDIO_MIXER, AGENT_TYPE_AVATAR_MIXER};
+    long long currentTime = usecTimestampNow();
+    char pingPacket[1 + sizeof(currentTime)];
+    pingPacket[0] = PACKET_HEADER_PING;
+    
+    memcpy(&pingPacket[1], &currentTime, sizeof(currentTime));
+    AgentList::getInstance()->broadcastToAgents((unsigned char*)pingPacket, 1 + sizeof(currentTime), agentTypesOfInterest, 3);
+
+}
+
 //  Every second, check the frame rates and other stuff
 void Application::timer() {
     gettimeofday(&_timerEnd, NULL);
+    sendPingPackets();
+
     _fps = (float)_frameCount / ((float)diffclock(&_timerStart, &_timerEnd) / 1000.f);
     _packetsPerSecond = (float)_packetCount / ((float)diffclock(&_timerStart, &_timerEnd) / 1000.f);
     _bytesPerSecond = (float)_bytesCount / ((float)diffclock(&_timerStart, &_timerEnd) / 1000.f);
@@ -2279,6 +2293,24 @@ void Application::displayStats() {
     sprintf(stats, "%3.0f FPS, %d Pkts/sec, %3.2f Mbps", 
             _fps, _packetsPerSecond,  (float)_bytesPerSecond * 8.f / 1000000.f);
     drawtext(10, statsVerticalOffset + 15, 0.10f, 0, 1.0, 0, stats);
+
+    int pingAudio = 0, pingAvatar = 0, pingVoxel = 0;
+
+    AgentList *agentList = AgentList::getInstance();
+    Agent *audioMixerAgent = agentList->soloAgentOfType(AGENT_TYPE_AUDIO_MIXER);
+    Agent *avatarMixerAgent = agentList->soloAgentOfType(AGENT_TYPE_AVATAR);
+    Agent *voxelServerAgent = agentList->soloAgentOfType(AGENT_TYPE_VOXEL_SERVER);
+
+    if (audioMixerAgent != NULL)
+        pingAudio = audioMixerAgent->getPingMs();
+    if (avatarMixerAgent != NULL)
+        pingAvatar = avatarMixerAgent->getPingMs();
+    if (voxelServerAgent != NULL)
+        pingVoxel = voxelServerAgent->getPingMs();
+
+    char pingStats[200];
+    sprintf(pingStats, "Ping audio/avatar/voxel: %d / %d / %d ", pingAudio, pingAvatar, pingVoxel);
+    drawtext(10, statsVerticalOffset + 35, 0.10f, 0, 1.0, 0, pingStats);
     
     std::stringstream voxelStats;
     voxelStats.precision(4);
diff --git a/interface/src/Application.h b/interface/src/Application.h
index 8667e68356..baf4fceea0 100644
--- a/interface/src/Application.h
+++ b/interface/src/Application.h
@@ -335,6 +335,7 @@ private:
     int _packetsPerSecond;
     int _bytesPerSecond;
     int _bytesCount;
+
 };
 
 #endif /* defined(__interface__Application__) */
diff --git a/libraries/shared/src/Agent.h b/libraries/shared/src/Agent.h
index 18d42fdf3d..bafffb008e 100644
--- a/libraries/shared/src/Agent.h
+++ b/libraries/shared/src/Agent.h
@@ -63,6 +63,9 @@ public:
     float getAverageKilobitsPerSecond();
     float getAveragePacketsPerSecond();
 
+    int getPingMs() const { return _pingMs; };
+    void setPingMs(int pingMs) { _pingMs = pingMs; };
+
     static void printLog(Agent const&);
 private:
     // privatize copy and assignment operator to disallow Agent copying
@@ -79,6 +82,7 @@ private:
     SimpleMovingAverage* _bytesReceivedMovingAverage;
     AgentData* _linkedData;
     bool _isAlive;
+    int _pingMs;
 };
 
 
diff --git a/libraries/shared/src/AgentList.cpp b/libraries/shared/src/AgentList.cpp
index 7a4803586e..237b367252 100644
--- a/libraries/shared/src/AgentList.cpp
+++ b/libraries/shared/src/AgentList.cpp
@@ -77,6 +77,17 @@ AgentList::~AgentList() {
     pthread_mutex_destroy(&mutex);
 }
 
+void AgentList::timePingReply(sockaddr *agentAddress, unsigned char *packetData) {
+    for(AgentList::iterator agent = begin(); agent != end(); agent++) {
+        if (socketMatch(agent->getPublicSocket(), agentAddress) || 
+            socketMatch(agent->getLocalSocket(), agentAddress)) {     
+            int pingTime = usecTimestampNow() - *(long long *)(packetData + 1);
+            agent->setPingMs(pingTime / 1000);
+            break;
+        }
+    }
+}
+
 void AgentList::processAgentData(sockaddr *senderAddress, unsigned char *packetData, size_t dataBytes) {
     switch (((char *)packetData)[0]) {
         case PACKET_HEADER_DOMAIN: {
@@ -84,11 +95,14 @@ void AgentList::processAgentData(sockaddr *senderAddress, unsigned char *packetD
             break;
         }
         case PACKET_HEADER_PING: {
-            _agentSocket.send(senderAddress, &PACKET_HEADER_PING_REPLY, 1);
+            char pingPacket[dataBytes];
+            memcpy(pingPacket, packetData, dataBytes);
+            pingPacket[0] = PACKET_HEADER_PING_REPLY;
+            _agentSocket.send(senderAddress, pingPacket, dataBytes);
             break;
         }
         case PACKET_HEADER_PING_REPLY: {
-            handlePingReply(senderAddress);
+            timePingReply(senderAddress, packetData);
             break;
         }
     }
diff --git a/libraries/shared/src/AgentList.h b/libraries/shared/src/AgentList.h
index 1b51913928..8a283009fe 100644
--- a/libraries/shared/src/AgentList.h
+++ b/libraries/shared/src/AgentList.h
@@ -116,6 +116,7 @@ private:
     pthread_mutex_t mutex;
     
     void handlePingReply(sockaddr *agentAddress);
+    void timePingReply(sockaddr *agentAddress, unsigned char *packetData);
 };
 
 class AgentListIterator : public std::iterator<std::input_iterator_tag, Agent> {
diff --git a/voxel-server/src/main.cpp b/voxel-server/src/main.cpp
index f8b8c2f36e..a73a8dd09a 100644
--- a/voxel-server/src/main.cpp
+++ b/voxel-server/src/main.cpp
@@ -706,6 +706,10 @@ int main(int argc, const char * argv[]) {
                 
                 agentList->updateAgentWithData(agent, packetData, receivedBytes);
             }
+            // If the packet is a ping, let processAgentData handle it.
+            if (packetData[0] == PACKET_HEADER_PING) {
+                agentList->processAgentData(&agentPublicAddress, packetData, receivedBytes);
+            }
         }
     }