internal static void GetContactEmailAddress(Contact contact, EmailAddressIndex emailIndex, out string email, out string displayName, bool appendRoutingType)
        {
            Participant participant = contact.EmailAddresses[emailIndex];

            ContactUtilities.GetParticipantEmailAddress(participant, out email, out displayName, appendRoutingType);
        }
 internal static void GetParticipantEmailAddress(Participant participant, out string email, out string displayName)
 {
     ContactUtilities.GetParticipantEmailAddress(participant, out email, out displayName, true);
 }