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 Advanced Interop will offer you additional Auto provisioning of our Gigaset Devices. 
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 The Standard Interop will offer you the Basic Call features like: Incoming Calls, Outgoing Calls, Call Transfer, CLIP / COLP, Call Waiting, Call Hold / Toggle, Do Not Disturb, Call Forward (CFU / CFNR / CFB), DTMF, Conference Call. 
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