diff --git a/src/com/android/server/telecom/CallsManager.java b/src/com/android/server/telecom/CallsManager.java
index 22e747e..4761fd8 100644
--- a/src/com/android/server/telecom/CallsManager.java
+++ b/src/com/android/server/telecom/CallsManager.java
@@ -1070,6 +1070,14 @@
             if (call.isEmergencyCall()) {
                 // We never support add call if one of the calls is an emergency call.
                 return false;
+            } else  if (!call.getChildCalls().isEmpty() && !call.can(Connection.CAPABILITY_HOLD)) {
+                // This is to deal with CDMA conference calls. CDMA conference calls do not
+                // allow the addition of another call when it is already in a 3 way conference.
+                // So, we detect that it is a CDMA conference call by checking if the call has
+                // some children and it does not support the CAPABILILTY_HOLD
+                // TODO: This maybe cleaner if the lower layers can explicitly signal to telecom
+                // about this limitation (b/22880180).
+                return false;
             } else if (call.getParentCall() == null) {
                 count++;
             }