diff --git a/src/net/java/sip/communicator/impl/gui/main/call/CallManager.java b/src/net/java/sip/communicator/impl/gui/main/call/CallManager.java
index 9a95226ad..bd6d21704 100644
--- a/src/net/java/sip/communicator/impl/gui/main/call/CallManager.java
+++ b/src/net/java/sip/communicator/impl/gui/main/call/CallManager.java
@@ -909,8 +909,11 @@ public static void createCall(  String callString,
         callString = callString.trim();
 
         // Removes special characters from phone numbers.
-        if (ConfigurationUtils.isNormalizePhoneNumber())
+        if (ConfigurationUtils.isNormalizePhoneNumber()
+            && !NetworkUtils.isValidIPAddress(callString))
+        {
             callString = PhoneNumberI18nService.normalize(callString);
+        }
 
         List<ProtocolProviderService> telephonyProviders
             = CallManager.getTelephonyProviders();
@@ -2502,7 +2505,8 @@ else if(formats.isEmpty())
             Contact contact = this.contact;
             String stringContact = this.stringContact;
 
-            if (ConfigurationUtils.isNormalizePhoneNumber())
+            if (ConfigurationUtils.isNormalizePhoneNumber()
+                && !NetworkUtils.isValidIPAddress(stringContact))
             {
                 if (contact != null)
                 {
diff --git a/src/net/java/sip/communicator/impl/protocol/sip/net/AutoProxyConnection.java b/src/net/java/sip/communicator/impl/protocol/sip/net/AutoProxyConnection.java
index e62d611ca..9e8bcf032 100644
--- a/src/net/java/sip/communicator/impl/protocol/sip/net/AutoProxyConnection.java
+++ b/src/net/java/sip/communicator/impl/protocol/sip/net/AutoProxyConnection.java
@@ -139,6 +139,10 @@ public AutoProxyConnection( SipAccountIDImpl account, String address,
         this.defaultTransport = defaultTransport;
         reset();
         this.address = address;
+        if (nu.isValidIPAddress(this.address))
+        {
+            this.state = State.IP;
+        }
     }
 
     /**