Patent ID: 8311198

Claim:
A method for processing telephone call, the method comprising: storing, in a communication system, access number configuration information corresponding to a called number, wherein the access number configuration information comprises correspondence information between a calling number of a calling party, an access number, and the called number; sending, by the communication system, the called number and the access number to the corresponding calling number according to the access number configuration information; upon receiving a pre-call registration request from the calling party, determining whether the pre-call registration request is consistent with the access number configuration information corresponding to the called number, and if yes, adding a corresponding record into a pre-call registration list set in the communication system, otherwise, returning a pre-call registration failure to the calling party, wherein the pre-call registration request includes the access number corresponding to the called party, and wherein the access number is different from the called number; and determining, by the communication system, whether the calling party has been registered in the pre-call registration list on receiving a call request from a calling party, if the calling party has been registered, connecting the call request and initiating the call to the called party; otherwise, refusing to initiate the call to the called party, wherein, the access number configuration information further comprises the correspondence information between an access number call period and an access number; and the process of adding a corresponding record into the pre-call registration list according to the access number configuration information on receiving a pre-call registration request from a calling party further comprises: determining whether the current time belongs to the call period corresponding to the access number according to the access number configuration information; if it does, adding the corresponding record into the pre-call registration list; otherwise, returning information of pre-call registration failure to the calling party.