FIELD: information technology.
SUBSTANCE: telecommunication network contains service control entity (SCE205) and service switching entity (SSE204). Service control entity is made capable to perform steps of receive from service switching entity (SSE204) the indication that the first call attempt failed, receive from service switching entity (SSE204) the indication of additional call attempt, receiving call information related to the first call attempt, determination of call establishment procedure for additional call attempt based on call information related to the first call attempt, and sending instruction to service switching entity (SSE204) to continue setting up additional call attempt according to call establishment procedure.
EFFECT: higher quality of call control.
25 cl, 10 dwg
