Communications Service messaging allows real-time communication between Messenger users who are in the same corporation or who are on the same computer network. It is available to corporations and networks that use a server technology called Session Initiation Protocol (SIP).
Komunikacijska storitev omogoča uporabnikom Messengerja v istem podjetju ali v omrežju podjetja pogovor v realnem času. Na voljo je podjetjem in omrežjem, ki uporabljajo strežniško tehnologijo, imenovano SIP (Session Initiation Protocol).