SIP with STUN works fine, so even with NAT it should work.

BTW: Could someone explain me what special numbers exists like 1-800-.. or 1-700-.. ? Are there any numbers which are not dedicated to a special location like 1-800 but are not paid by the callee?

Rolf
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Connecting Empeg via Bluetooth or Wireless LAN http://empeg.rowi.net
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