+ public void addOtherAddress();\r
+\r
+ /**\r
+ * The user can change address data, like street, ZIP code, city and country\r
+ * of given Contact instance.\r
+ * \r
+ * @param contact Instance to change data\r
+ * @param client Client instance to call back\r
+ */\r
+ public void doChangeAddressData (final Contact contact, final Client client);\r
+\r
+ /**\r
+ * The user can change name data, like gender, surname, family name and\r
+ * company name (if business contact).\r
+ * \r
+ * @param contact Instance to change data\r
+ * @param client Client instance to call back\r
+ */\r
+ public void doChangeNameData (final Contact contact, final Client client);\r