A system comprising an electronic device and a second electronic device, the electronic device comprising: a memory; and a controller configured to: receive authentication information from an external device; detect an input comprising account information associated with a first electronic device; transmit, to the external device, a share request for accessing a functionality of the second electronic device, the authentication information, the account information associated with the first electronic device and authorization information indicating a use range of the second electronic device requested by a user of the electronic device; and when information related to an acknowledgement of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information, when information related to a restriction or extension of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information; and wherein the second electronic device is an IP camera, and wherein the functionality that the second electronic device shares with the electronic device includes at least one of turning the IP camera on or off, changing a sound setting, changing a screen setting, and changing a video quality conversion setting. a memory; and a controller configured to: receive authentication information from an external device; detect an input comprising account information associated with a first electronic device; transmit, to the external device, a share request for accessing a functionality of the second electronic device, the authentication information, the account information associated with the first electronic device and authorization information indicating a use range of the second electronic device requested by a user of the electronic device; and when information related to an acknowledgement of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information, when information related to a restriction or extension of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information; and wherein the second electronic device is an IP camera, and wherein the functionality that the second electronic device shares with the electronic device includes at least one of turning the IP camera on or off, changing a sound setting, changing a screen setting, and changing a video quality conversion setting. receive authentication information from an external device; detect an input comprising account information associated with a first electronic device; transmit, to the external device, a share request for accessing a functionality of the second electronic device, the authentication information, the account information associated with the first electronic device and authorization information indicating a use range of the second electronic device requested by a user of the electronic device; and when information related to an acknowledgement of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information, when information related to a restriction or extension of the authorization information is received, access the second electronic device such that the second electronic device shares at least part of the functionality of the second electronic device as specified in the authorization information; and wherein the second electronic device is an IP camera, and wherein the functionality that the second electronic device shares with the electronic device includes at least one of turning the IP camera on or off, changing a sound setting, changing a screen setting, and changing a video quality conversion setting.