Have you looked at the Aastra/Mitel SIP DECT system?They have a reasonably priced DECT system that allows roaming between access points and 8 simultaneous voice channels per access point.
http://www.mitel.com/mitel-sip-dect
We deployed the Aastra system a number of years ago and it worked really well.
Martin www.eGuest.ca _______________________________________________ VoiceOps mailing list VoiceOps@voiceops.org https://puck.nether.net/mailman/listinfo/voiceops