Patent ID: 9449066
Filing Date: 2016-09-20
CPC Classification: G06F,G06Q,H04L,H04W

Claim Text:
1. An Social Network Service (SNS) account management server comprising: a phone number change account confirmation unit for receiving, if a phone number is changed while a phone number-based SNS account is used, phone number change schedule information from a user terminal, and confirming, when authentication of a new SNS account is requested from the user terminal, whether or not the account is an account of the changed phone number for the new authentication request based on the previously transmitted phone number change schedule information; a phone number change message transmission unit for transmitting, when the phone number change schedule information is received, a phone number change schedule message to user terminals respectively corresponding to each of friend accounts included in a friend list of the corresponding account, and transmitting a phone number change notification message to user terminals respectively corresponding to each of friend accounts included in a friend list of the account of the changed phone number; a phone number update unit for updating the phone number of the user terminal of the changed phone number in a database of each friend account included in the friend list of the account of the changed phone number; and a dialog window processing unit for backing up, when the phone number change schedule information is received from the user terminal, content of a dialog window activated on the user terminal and setting the dialog window to a frozen state, and linking, when authentication of a new SNS account is requested from the user terminal, content of a dialog window existed before the change of the phone number to the new account; and providing a seamless dialog window by releasing the frozen state, wherein, when the authentication of the new SNS account is requested from the user terminal, the phone number change message transmission unit selects user terminals for receiving the phone number change notification message among the user terminals respectively corresponding to each of the friend accounts included in the friend list of the corresponding account.