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Posts: 702 | Thanked: 2,059 times | Joined on Feb 2011 @ UK
#9
Originally Posted by pycage View Post
Yes, Nokia always had their own proprietary headset wiring and Nokia phones always needed special Nokia-compatible headsets. Jolla OTOH is not Nokia.
There were two headset wiring standards. Neither of which were proprietary as such.

OMTP was backed by Nokia, Ericsson and most of the European and Asian Manufacturers.

CTIA was backed by mostly American Manufacturers, most prominently, Apple.

http://en.wikipedia.org/wiki/Phone_c...#Mobile_phones
 

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