diff --git a/OVMS.V3/components/ovms_cellular/src/ovms_cellular.h b/OVMS.V3/components/ovms_cellular/src/ovms_cellular.h
index d220856..7e34781 100644
--- a/OVMS.V3/components/ovms_cellular/src/ovms_cellular.h
+++ b/OVMS.V3/components/ovms_cellular/src/ovms_cellular.h
@@ -257,6 +257,7 @@ class modemdriver : public InternalRamAllocated
   protected:
     unsigned int m_powercyclefactor;
     modem* m_modem;
+    int m_statuspoller_step;
   };
 
 template<typename Type> modemdriver* CreateCellularModemDriver()
diff --git a/OVMS.V3/components/ovms_cellular/src/ovms_cellular_modem_driver.cpp b/OVMS.V3/components/ovms_cellular/src/ovms_cellular_modem_driver.cpp
index 0e75157..9be08e7 100644
--- a/OVMS.V3/components/ovms_cellular/src/ovms_cellular_modem_driver.cpp
+++ b/OVMS.V3/components/ovms_cellular/src/ovms_cellular_modem_driver.cpp
@@ -61,6 +61,7 @@ modemdriver::modemdriver()
   {
   m_modem = MyPeripherals->m_cellular_modem;
   m_powercyclefactor = 0;
+  m_statuspoller_step = 0;
   }
 
 modemdriver::~modemdriver()
@@ -154,11 +155,13 @@ void modemdriver::StatusPoller()
 
 bool modemdriver::State1Leave(modem::modem_state1_t oldstate)
   {
+  m_statuspoller_step = 0;
   return false;
   }
 
 bool modemdriver::State1Enter(modem::modem_state1_t newstate)
   {
+  m_statuspoller_step = 0;
   return false;
   }
 
@@ -169,5 +172,9 @@ modem::modem_state1_t modemdriver::State1Activity(modem::modem_state1_t curstate
 
 modem::modem_state1_t modemdriver::State1Ticker1(modem::modem_state1_t curstate)
   {
+  if (m_statuspoller_step > 0)
+    {
+    StatusPoller();
+    }
   return curstate;
   }
diff --git a/OVMS.V3/components/simcom/src/simcom_5360.cpp b/OVMS.V3/components/simcom/src/simcom_5360.cpp
index 032a891..56ad121 100644
--- a/OVMS.V3/components/simcom/src/simcom_5360.cpp
+++ b/OVMS.V3/components/simcom/src/simcom_5360.cpp
@@ -69,17 +69,43 @@ const char* simcom5360::GetName()
 void simcom5360::StatusPoller()
   {
   if (m_modem->m_mux != NULL)
-    { m_modem->muxtx(GetMuxChannelPOLL(), "AT+CREG?;+CCLK?;+CSQ;+CPSI?;+COPS?\r\n"); }
+    {
+    // The ESP32 UART queue has a capacity of 128 bytes, NMEA and PPP data may be
+    // coming in concurrently, and we cannot use flow control.
+    // Reduce the queue stress by distributing the status poll:
+    switch (++m_statuspoller_step)
+      {
+      case 1:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+CREG?;+CCLK?;+CSQ\r\n");
+        // → ~ 55 bytes, e.g.
+        //  +CREG: 1,5  +CCLK: "22/10/02,09:33:27+08"  +CSQ: 24,99
+        break;
+      case 2:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+CPSI?\r\n");
+        // → ~ 60 bytes, e.g.
+        //  +CPSI: GSM,Online,262-02,0x011f,14822,4 EGSM 900,-67,0,40-40
+        break;
+      case 3:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+COPS?\r\n");
+        // → ~ 35 bytes, e.g.
+        //  +COPS: 0,0,"vodafone.de Hologram",0
+
+        // done, fallthrough:
+      default:
+        m_statuspoller_step = 0;
+        break;
+      }
+    }
   }
 
 bool simcom5360::State1Leave(modem::modem_state1_t oldstate)
   {
-  return false;
+  return modemdriver::State1Leave(oldstate);
   }
 
 bool simcom5360::State1Enter(modem::modem_state1_t newstate)
   {
-  return false;
+  return modemdriver::State1Enter(newstate);
   }
 
 modem::modem_state1_t simcom5360::State1Activity(modem::modem_state1_t curstate)
@@ -93,7 +119,7 @@ modem::modem_state1_t simcom5360::State1Activity(modem::modem_state1_t curstate)
     return modem::None;
     }
 
-  return curstate;
+  return modemdriver::State1Activity(curstate);
   }
 
 modem::modem_state1_t simcom5360::State1Ticker1(modem::modem_state1_t curstate)
@@ -131,5 +157,5 @@ modem::modem_state1_t simcom5360::State1Ticker1(modem::modem_state1_t curstate)
     return modem::None;
     }
 
-  return curstate;
+  return modemdriver::State1Ticker1(curstate);
   }
diff --git a/OVMS.V3/components/simcom/src/simcom_7600.cpp b/OVMS.V3/components/simcom/src/simcom_7600.cpp
index 8f9fb0d..ae72434 100644
--- a/OVMS.V3/components/simcom/src/simcom_7600.cpp
+++ b/OVMS.V3/components/simcom/src/simcom_7600.cpp
@@ -91,7 +91,33 @@ void simcom7600::StartupNMEA()
 void simcom7600::StatusPoller()
   {
   if (m_modem->m_mux != NULL)
-    { m_modem->muxtx(GetMuxChannelPOLL(), "AT+CREG?;+CGREG?;+CEREG?;+CCLK?;+CSQ;+CPSI?;+COPS?\r\n"); }
+    {
+    // The ESP32 UART queue has a capacity of 128 bytes, NMEA and PPP data may be
+    // coming in concurrently, and we cannot use flow control.
+    // Reduce the queue stress by distributing the status poll:
+    switch (++m_statuspoller_step)
+      {
+      case 1:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+CREG?;+CGREG?;+CEREG?;+CCLK?;+CSQ\r\n");
+        // → ~ 80 bytes, e.g.
+        //  +CREG: 1,5  +CGREG: 1,5  +CEREG: 1,5  +CCLK: "22/09/09,12:54:41+08"  +CSQ: 13,99  
+        break;
+      case 2:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+CPSI?\r\n");
+        // → ~ 85 bytes, e.g.
+        //  +CPSI: LTE,Online,262-02,0xB0F5,13179412,448,EUTRAN-BAND1,100,4,4,-122,-1184,-874,9  
+        break;
+      case 3:
+        m_modem->muxtx(GetMuxChannelPOLL(), "AT+COPS?\r\n");
+        // → ~ 35 bytes, e.g.
+        //  +COPS: 0,0,"vodafone.de Hologram",7  
+
+        // done, fallthrough:
+      default:
+        m_statuspoller_step = 0;
+        break;
+      }
+    }
   }
 
 void simcom7600::PowerCycle()
@@ -111,12 +137,12 @@ void simcom7600::PowerCycle()
 
 bool simcom7600::State1Leave(modem::modem_state1_t oldstate)
   {
-  return false;
+  return modemdriver::State1Leave(oldstate);
   }
 
 bool simcom7600::State1Enter(modem::modem_state1_t newstate)
   {
-  return false;
+  return modemdriver::State1Enter(newstate);
   }
 
 modem::modem_state1_t simcom7600::State1Activity(modem::modem_state1_t curstate)
@@ -130,7 +156,7 @@ modem::modem_state1_t simcom7600::State1Activity(modem::modem_state1_t curstate)
     return modem::None;
     }
 
-  return curstate;
+  return modemdriver::State1Activity(curstate);
   }
 
 modem::modem_state1_t simcom7600::State1Ticker1(modem::modem_state1_t curstate)
@@ -156,5 +182,5 @@ modem::modem_state1_t simcom7600::State1Ticker1(modem::modem_state1_t curstate)
     return modem::None;
     }
 
-  return curstate;
+  return modemdriver::State1Ticker1(curstate);
   }