The first method and the module application server calls established through the shifts for to route via the second application server

摘要

Through the The first application server (3), the first user device (1), the original call that has been established between the device (2) at least one of the corresponding, second a method for shifting to to route via the application server (4), - receiving a server-shift instructions, - upon receiving the application server shift instructions the steps of the first application server (1), commands the transfer of the original call, the first user device via the second application server (4) (1), - second application server (4) first user device (1) incoming call that is routed to the can, and has identification information that matches the identification information of the original call and determining that, - If it is determined that the identification information matches, the first user device (1) incoming calls that are routed to from the second application server (4), first and a step of pickup of the user device (1), method.