Method of routing a telephone call

摘要

The invention relates to a method of routing a telephone call from a calling party (CP) to an intended recipient (IR) associated to at least one Internet Telephone according to a routing routine (RR) comprising the steps of determining whether the Internet Telephone of the intended recipient (IR) is reachable and routing (R1) the call to the intended recipient if the intended recipient (IR) is reachable or rerouting (R2) the call to a mobile telephone of the intended recipient of the recipient is not reachable by means of the at least one IP telephone (IPT). <??>According to the invention an advantageous reliability is added to conventional IP telephoning as non-reachability at the intended recipient may be compensated by a rerouting of the call to a fall-back connecting point; a mobile telephone. <IMAGE> <IMAGE>