"We're not suggesting Apple would be so naïve, but there are many good reasons why even the most sophisticated consumer electronics companies team up with wireless specialists when it comes to making phones.... So what do Bang & Olafson and Sony get from their wireless partners? Help with the logistics of getting wireless devices to interconnect with the hundreds of phone networks around the world. Each phone company network is engineered a little differently, and in order for a phone to work on that network, it must go through trials and tests. Then there are all the special extras a phone company might ask of the phone maker: a special logo on the device, special user interface software, etc." for phones read headsets heh fireball - a sophisticated job to get right - why not find a team with telco mobile headset implementation experience to outsource development to...lols?