diff --git a/callagent/MGCPEndpoint.st b/callagent/MGCPEndpoint.st
index c373e3b..d28615a 100644
--- a/callagent/MGCPEndpoint.st
+++ b/callagent/MGCPEndpoint.st
@@ -39,6 +39,11 @@ Object subclass: MGCPEndpoint [
         ^ trunk endpointName: nr.
     ]
 
+    endpointNumber [
+        <category: 'accessing'>
+        ^ nr
+    ]
+
     multiplex [
         <category: 'names'>
         ^ trunk multiplexFor: nr.
diff --git a/callagent/Tests.st b/callagent/Tests.st
index 975ce14..918ec45 100644
--- a/callagent/Tests.st
+++ b/callagent/Tests.st
@@ -115,8 +115,10 @@ TestCase subclass: MGCPCommandTest [
         | trunk |
         trunk := MGCPDSTrunk createWithDest: '0.0.0.0' trunkNr: 3.
 
+        self assert: (self trunk endpointAt: 1) endpointNumber equals: 1.
         self assert: (self trunk endpointAt: 1) multiplex = 0.
         self assert: (self trunk endpointAt: 1) timeslot = 1.
+        self assert: (self trunk endpointAt: 31) endpointNumber equals: 31.
         self assert: (self trunk endpointAt: 31) multiplex = 0.
         self assert: (self trunk endpointAt: 31) timeslot = 31.
 
@@ -282,6 +284,7 @@ TestCase subclass: MGCPEndpointAllocTest [
 
         "Initial..."
         self assert: endp isUnused.
+        self assert: endp endpointNumber equals: 1.
 
         "Reserve..."
         endp reserve.
@@ -332,6 +335,7 @@ TestCase subclass: MGCPEndpointAllocTest [
         self assert: (trunk allocateEndpointIfFailure: [true]).
 
         "now free some endpoints"
+        self assert: (trunk endpointAt: 20) endpointNumber equals: 20.
         (trunk endpointAt: 20) free.
         (trunk endpointAt:  5) free.
         endp := (trunk allocateEndpointIfFailure: []).