A message which is played to the called party before answering the call, in the most cases the message tells who is calling, the name or telephone number helping you to decide how to answer to the call and sometimes whether to answer it at all.
Cloud based Sip provider, Giving acces to voice in the cloud. Cutomer based sip hosting or dedicated hosted sip. Creating backup sip pbx for omnipcx Enterprise 40X8EE sets.