INTERNETWORKING BETWEEN MESSAGING SERVICES Russian patent published in 2012 - IPC H04L12/58 

FIELD: information technology.

SUBSTANCE: in a service level internetworking unit, a service centre (SC) address or a set of SC addresses dedicated for the service level internetworking is used whenever an instant message (IM) is converted to a short message (SM). In other words, if a message is initially sent as an instant message (IM) by user equipment (UE) and is converted to a short message (SM) by the internetworking function, the converted short message (SM) is sent to a dedicated service centre (SC) address. For originating messages that are not converted, different service centre address or addresses are used. An incoming short message (SM) received at the internetworking unit is converted to an instant message (IM) which is delivered to the user equipment (UE), if a service centre address in the incoming short message (SM) is one of the dedicated service centre addresses. If not, the incoming short message (SM) is delivered to the user equipment (UE) without a service level conversion.

EFFECT: preventing reception of a message service delivery report different from that which was used to send said message.

18 cl, 5 dwg