Process and system for informing a mobile station receiving a call which is in operation in a mobile switching center visited that a call is a call to snake entryPrior to the completion of R call entry for the mobile station in a radio telecommunications network

摘要

Process and system for informing a mobile station receiving a call which is in operation in a mobile switching center visited that a call is a call to snake entryPrior to the completion of R call entry for the mobile station, in a telecommunications network for radio. It is a system and a process used in a telecommunications network by radio to inform a mobile station (14) receiving a call.Which is in operation in a mobile switching center visited (V - MSc) (13) of the fact that a call to input a collect call prior to the provision of the call entry forMobile station.The system obtains a central source mobile switching (- MSc) (11)A prefix of a collect call (16) of an applicant of the call and determines from the collect call prefix to the call entry is a collect call.An indication of a collect call (CCI) (17) is generated and sent, together with the number of applicant for the V - MSc in a message invocation request location (locreq) (19), and a mensaGem invocation request routing (routreq) (21).Thus notifying the V - MSc on the existence of a call on entry to the mobile station and the fact that the call entry be a collect call.The V - MSc (13) defines a flare (23) to collect call for on (active), stores the number of applicant in a record of subscribers (22) in the V - MSc.And determines whether the mobile station is or not a digital mobile station.In the affirmative case.A message (34) to a short message service (SMS) including the number of applicant is sent to the mobile station informing the subscriber that the call entry is about to be completed,And the call entry is a collect call. If the mobile station is a mobile station with dual capacity, a separate telephone touch signal (38) is sent to the mobile station.The call entry is then completed to the mobile station and the subscriber can choose to answer or not.The flare (23) to collect call is then restored to idle in the registration of subscribers in V - MSc.