Any device under warranty, once broken needs to be brought to the distributor's service center. As for your PS3 they may not require the cables or other accessories since the problem is mainly on the unit. But it is better to bring them just in case.
Those people who subscribe or purchase VoIP services are actually businesses who wants to have a much affordable and maintainable phone system. PBX phone system are actually feature-packed but for a small business VoIP systems are suitable choices.