Makes possible overriding original headers through custom one.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/net/java/sip/communicator/impl/protocol/sip/ConfigHeaders.java b/src/net/java/sip/communicator/impl/protocol/sip/ConfigHeaders.java
index 97e0633..d613ddc 100644
--- a/src/net/java/sip/communicator/impl/protocol/sip/ConfigHeaders.java
+++ b/src/net/java/sip/communicator/impl/protocol/sip/ConfigHeaders.java
@@ -147,7 +147,17 @@ public class ConfigHeaders
                     headerValues.get(ACC_PROPERTY_CONFIG_HEADER_VALUE),
                     request);
 
-                request.addHeader(new CustomHeaderList(name, value));
+                Header h = request.getHeader(name);
+
+                // makes possible overriding already created headers which
+                // are not custom one
+                if(h != null && !(h instanceof CustomHeader))
+                {
+                    request.setHeader(protocolProvider.getHeaderFactory()
+                        .createHeader(name, value));
+                }
+                else
+                    request.addHeader(new CustomHeaderList(name, value));
             }
             catch(Exception e)
             {