diff --git a/src/net/java/sip/communicator/impl/callhistory/CallHistorySourceContact.java b/src/net/java/sip/communicator/impl/callhistory/CallHistorySourceContact.java
index 3fe42c55c..5506b1104 100644
--- a/src/net/java/sip/communicator/impl/callhistory/CallHistorySourceContact.java
+++ b/src/net/java/sip/communicator/impl/callhistory/CallHistorySourceContact.java
@@ -186,6 +186,9 @@ private void initPeerDetails()
                     supportedOpSets.add(OperationSetBasicTelephony.class);
                 }
 
+                // can be added as contacts
+                supportedOpSets.add(OperationSetPersistentPresence.class);
+
                 contactDetail.setSupportedOpSets(supportedOpSets);
 
                 contactDetails.add(contactDetail);
@@ -285,8 +288,10 @@ else if (callRecord.getDirection().equals(CallRecord.OUT))
     public List<ContactDetail> getContactDetails(
                                     Class<? extends OperationSet> operationSet)
     {
-        // We support only call details.
-        if (!operationSet.equals(OperationSetBasicTelephony.class))
+        // We support only call details
+        // or persistence presence so we can add contacts.
+        if (!(operationSet.equals(OperationSetBasicTelephony.class)
+                || operationSet.equals(OperationSetPersistentPresence.class)))
             return null;
 
         return new LinkedList<ContactDetail>(contactDetails);
@@ -318,8 +323,10 @@ public List<ContactDetail> getContactDetails(String category)
     public ContactDetail getPreferredContactDetail(
         Class<? extends OperationSet> operationSet)
     {
-        // We support only call details.
-        if (!operationSet.equals(OperationSetBasicTelephony.class))
+        // We support only call details
+        // or persistence presence so we can add contacts.
+        if (!(operationSet.equals(OperationSetBasicTelephony.class)
+                || operationSet.equals(OperationSetPersistentPresence.class)))
             return null;
 
         return contactDetails.get(0);
diff --git a/src/net/java/sip/communicator/impl/googlecontacts/GoogleContactsQuery.java b/src/net/java/sip/communicator/impl/googlecontacts/GoogleContactsQuery.java
index 5fa2b77df..b1cc8cc5d 100644
--- a/src/net/java/sip/communicator/impl/googlecontacts/GoogleContactsQuery.java
+++ b/src/net/java/sip/communicator/impl/googlecontacts/GoogleContactsQuery.java
@@ -155,23 +155,37 @@ private List<ContactDetail> getContactDetails(GoogleContactsEntry entry)
 
         for(String mail : homeMails)
         {
+            List<Class<? extends OperationSet>> supportedOpSets
+                            = new ArrayList<Class<? extends OperationSet>>(1);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
+
             detail = new ContactDetail(mail, ContactDetail.CATEGORY_EMAIL,
                     new String[]{ContactDetail.LABEL_HOME});
+            detail.setSupportedOpSets(supportedOpSets);
             ret.add(detail);
         }
         for(String mail : workMails)
         {
+            List<Class<? extends OperationSet>> supportedOpSets
+                            = new ArrayList<Class<? extends OperationSet>>(1);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
+
             detail = new ContactDetail(mail, ContactDetail.CATEGORY_EMAIL,
                     new String[]{ContactDetail.LABEL_WORK});
+            detail.setSupportedOpSets(supportedOpSets);
             ret.add(detail);
         }
 
         for(String homePhone : homePhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             homePhone = PhoneNumberI18nService.normalize(homePhone);
             detail = new ContactDetail(homePhone,
                     ContactDetail.CATEGORY_PHONE,
@@ -183,9 +197,11 @@ private List<ContactDetail> getContactDetails(GoogleContactsEntry entry)
         for(String workPhone : workPhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             workPhone = PhoneNumberI18nService.normalize(workPhone);
             detail = new ContactDetail(workPhone,
                     ContactDetail.CATEGORY_PHONE,
@@ -197,9 +213,11 @@ private List<ContactDetail> getContactDetails(GoogleContactsEntry entry)
         for(String mobilePhone : mobilePhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             mobilePhone = PhoneNumberI18nService.normalize(mobilePhone);
             detail = new ContactDetail(mobilePhone,
                     ContactDetail.CATEGORY_PHONE,
@@ -218,6 +236,11 @@ private List<ContactDetail> getContactDetails(GoogleContactsEntry entry)
                         new String[]{im.getValue().toString()});
 
                 setIMCapabilities(detail, im.getValue());
+
+                // can be added as contacts
+                detail.getSupportedOperationSets()
+                    .add(OperationSetPersistentPresence.class);
+
                 ret.add(detail);
             }
         }
diff --git a/src/net/java/sip/communicator/impl/gui/main/contactlist/ContactListTreeCellRenderer.java b/src/net/java/sip/communicator/impl/gui/main/contactlist/ContactListTreeCellRenderer.java
index 594b74208..3d46c4c1e 100644
--- a/src/net/java/sip/communicator/impl/gui/main/contactlist/ContactListTreeCellRenderer.java
+++ b/src/net/java/sip/communicator/impl/gui/main/contactlist/ContactListTreeCellRenderer.java
@@ -689,7 +689,7 @@ private void addLabels(int nameLabelGridWidth)
     /**
      * Initializes the display details component for the given
      * <tt>UIContact</tt>.
-     * @param details the display details to show
+     * @param displayDetails the display details to show
      */
     private void initDisplayDetails(String displayDetails)
     {
@@ -831,8 +831,7 @@ private void initButtonsPanel(UIContact uiContact)
                 null);
 
         if ((telephonyContact != null && telephonyContact.getAddress() != null)
-            || uiContact.getDescriptor() instanceof SourceContact ||
-            (hasPhone && providers.size() > 0))
+            || (hasPhone && providers.size() > 0))
         {
             x += addButton(callButton, ++gridX, x, false);
         }
@@ -869,7 +868,14 @@ private void initButtonsPanel(UIContact uiContact)
             x += addButton(desktopSharingButton, ++gridX, x, false);
         }
 
-        if (uiContact.getDescriptor() instanceof SourceContact
+        // enable add contact button if contact source has indicated
+        // that this is possible
+        if (uiContact.getDefaultContactDetail(
+                    OperationSetPersistentPresence.class) != null
+            && GuiActivator.getOpSetRegisteredProviders(
+                    OperationSetPersistentPresence.class,
+                    null,
+                    null).size() > 0
             && !ConfigurationUtils.isAddContactDisabled())
         {
             x += addButton(addContactButton, ++gridX, x, false);
@@ -1359,7 +1365,8 @@ private void addContact(SourceUIContact contact)
     {
         SourceContact sourceContact = (SourceContact) contact.getDescriptor();
 
-        List<ContactDetail> details = sourceContact.getContactDetails();
+        List<ContactDetail> details = sourceContact.getContactDetails(
+                    OperationSetPersistentPresence.class);
         int detailsCount = details.size();
 
         if (detailsCount > 1)
diff --git a/src/net/java/sip/communicator/impl/ldap/LdapContactQuery.java b/src/net/java/sip/communicator/impl/ldap/LdapContactQuery.java
index 3f325d57d..2b0d95bc3 100644
--- a/src/net/java/sip/communicator/impl/ldap/LdapContactQuery.java
+++ b/src/net/java/sip/communicator/impl/ldap/LdapContactQuery.java
@@ -140,17 +140,25 @@ private List<ContactDetail> getContactDetails(LdapPersonFound person)
 
         for(String mail : mailAddresses)
         {
+            List<Class<? extends OperationSet>> supportedOpSets
+                            = new ArrayList<Class<? extends OperationSet>>(1);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
+
             detail = new ContactDetail(mail, ContactDetail.CATEGORY_EMAIL,
                     null);
+            detail.setSupportedOpSets(supportedOpSets);
             ret.add(detail);
         }
 
         for(String homePhone : homePhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             homePhone = PhoneNumberI18nService.normalize(homePhone);
             detail = new ContactDetail(homePhone,
                     ContactDetail.CATEGORY_PHONE,
@@ -162,9 +170,11 @@ private List<ContactDetail> getContactDetails(LdapPersonFound person)
         for(String workPhone : workPhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             workPhone = PhoneNumberI18nService.normalize(workPhone);
             detail = new ContactDetail(workPhone,
                     ContactDetail.CATEGORY_PHONE,
@@ -176,9 +186,11 @@ private List<ContactDetail> getContactDetails(LdapPersonFound person)
         for(String mobilePhone : mobilePhones)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
             mobilePhone = PhoneNumberI18nService.normalize(mobilePhone);
             detail = new ContactDetail(mobilePhone,
                     ContactDetail.CATEGORY_PHONE,
diff --git a/src/net/java/sip/communicator/plugin/addrbook/macosx/MacOSXAddrBookContactQuery.java b/src/net/java/sip/communicator/plugin/addrbook/macosx/MacOSXAddrBookContactQuery.java
index ad4ebea0e..71e9ce34f 100644
--- a/src/net/java/sip/communicator/plugin/addrbook/macosx/MacOSXAddrBookContactQuery.java
+++ b/src/net/java/sip/communicator/plugin/addrbook/macosx/MacOSXAddrBookContactQuery.java
@@ -738,6 +738,9 @@ private ContactDetail setCapabilities(
         Map<Class<? extends OperationSet>, String> preferredProtocols
             = new HashMap<Class<? extends OperationSet>, String>();
 
+        // can be added as contacts
+        supportedOpSets.add(OperationSetPersistentPresence.class);
+
         switch (property)
         {
         case kABAIMInstantProperty:
diff --git a/src/net/java/sip/communicator/plugin/addrbook/msoutlook/MsOutlookAddrBookContactQuery.java b/src/net/java/sip/communicator/plugin/addrbook/msoutlook/MsOutlookAddrBookContactQuery.java
index 2c45d5969..05d25ced9 100644
--- a/src/net/java/sip/communicator/plugin/addrbook/msoutlook/MsOutlookAddrBookContactQuery.java
+++ b/src/net/java/sip/communicator/plugin/addrbook/msoutlook/MsOutlookAddrBookContactQuery.java
@@ -354,9 +354,11 @@ private boolean onMailUser(long iUnknown)
         if (matches)
         {
             List<Class<? extends OperationSet>> supportedOpSets
-                = new ArrayList<Class<? extends OperationSet>>(1);
+                = new ArrayList<Class<? extends OperationSet>>(2);
 
             supportedOpSets.add(OperationSetBasicTelephony.class);
+            // can be added as contacts
+            supportedOpSets.add(OperationSetPersistentPresence.class);
 
             List<ContactDetail> contactDetails
                 = new LinkedList<ContactDetail>();