The function of custom greeting allows greeting the
callers by messages which present your company or by any other variant which
conforms to the structure of your company.
This service allows called party to listen to the audio or video announcements of callers before connection. The caller can choose a message that will be played and conditions by which the message will be plaid over. For example, before the subscriber answers the call, they will hear audio message with the name of the person who is calling.