Patent ID: 8189759
Filing Date: 2012-05-29
Classification: H04L,H04M

Abstract:
1. A method for controlling execution of a call back to a called party, comprising: initiating a call attempt from a first device to a second device of said called party; determining that said call attempt failed; setting an automatic call back feature in a call controller; monitoring a status of said called party at a presence server; determining an availability status of said called party at said call controller by receiving, from said presence server at predetermined intervals, one or more status messages indicative of said called party's availability status; evaluating compatibility of said availability status by comparing said received status messages to a list of compatible availability states for which said called party is available to answer an incoming call; further determining said availability status of said called party at said call controller by evaluating compatibility of a call feature selected by said called party for said second device for availability to answer said incoming call; wherein the determining, said availability status comprises evaluating certain types of feature including DO NOT DISTURB and CALL FORWARD ALWAYS to voice mail is compatible with said availability; and in the event said availability status is compatible with said certain types of feature and said called party accepting said incoming call, then initiating said call back to said called party.