diff --git a/bridge.py b/bridge.py
index f60f45c..e5f7230 100755
--- a/bridge.py
+++ b/bridge.py
@@ -439,9 +439,18 @@ class routerOBP(OPENBRIDGE):
         pkt_time = time()
         dmrpkt = _data[20:53]
         _bits = _data[15]
+
+        # Check if subscriber is in STATIC_UNIT
+        for i in STATIC_UNIT:
+            # Subscriber is static. Add 20 years of time.
+            if i[0] == int_id(_rf_src):
+                map_time = pkt_time + time_20
+            # Proceed as normal
+            else:
+                map_time = pkt_time
         
         # Make/update this unit in the UNIT_MAP cache
-        UNIT_MAP[_rf_src] = (self.name, pkt_time)
+        UNIT_MAP[_rf_src] = (self.name, map_time)
         
         
         # Is this a new call stream?
@@ -922,6 +931,16 @@ class routerHBP(HBSYSTEM):
         dmrpkt = _data[20:53]
         _bits = _data[15]
 
+        # Check if subscriber is in STATIC_UNIT
+        for i in STATIC_UNIT:
+            # Subscriber is static. Add 20 years of time.
+            if i[0] == int_id(_rf_src):
+                map_time = pkt_time + time_20
+            # Proceed as normal
+            else:
+                map_time = pkt_time
+ 
+
         # Make/update this unit in the UNIT_MAP cache
         UNIT_MAP[_rf_src] = (self.name, pkt_time)
         
diff --git a/rules_SAMPLE.py b/rules_SAMPLE.py
index 4470117..661d2d9 100755
--- a/rules_SAMPLE.py
+++ b/rules_SAMPLE.py
@@ -54,12 +54,19 @@ list the names of each system that should bridge unit to unit (individual) calls
 UNIT = ['ONE', 'TWO']
 
 '''
-The amount of time to keep sending private calls to a system before flooding again
+Unit Call flood timeout:
+The amount of time to keep sending private calls to a single system before
+flooding all systems with the call. A higher value should be set for systems where subscribers
+are not moving between systems often. A lower value should be set for systems that have subscribers
+moving between systems often.
+
+Time is in minutes.
 '''
 UNIT_TIME = 15
 
 '''
-Input the DMR ID and SYSTEM of a subscriber that you would like to have always have private calls routed. This will not flood all systems.
+Input the DMR ID and SYSTEM of a subscriber that you would like to have always have private calls routed.
+This will not flood all systems.
 '''
 STATIC_UNIT = [
     [ 123, 'CLIENT-1'],