Germany, Sweden and a few other countries have LTE deployed in a large-scale and more customer hardware is available there. Switzerland is only
testing (ie: pilot) LTE right now, in less than a dozen locations, as noted on Swisscom's website. They are still pretty far from having a full, nation-wide LTE network built and offering it commercially. They have a few data cards now and that's it, as there's not really any need to have a full range of LTE devices in their portfolio now. If you want to bring your own LTE phone to the party, and only use it in the few test locations, it could be possible, but you'd better check with Swisscom first before buying anything.
Generally speaking, most LTE operators are offering it primarily for data, as the voice part of LTE was not fully worked out in the specs yet (VoLGA or IMS). Even on the LTE phones that are available, the voice is most likely going over the legacy (GSM/UMTS) connection, and only data connections on LTE.
...actually, the first LTE->UMTS call hand-over was only demo'ed
yesterday, so it just goes to show that voice on LTE is not really all there yet!
http://www.zdnet.co.uk/news/mobile-d...over-40094971/ 
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