Below is a list with supported N720 Handsets.

FeatureGigaset PRO handsetGigaset Retail handsetsNon Gigaset handsets
Incoming calls(tick)(tick)(question)
Outgoing calls(tick)(tick)(question)
Call transfer(tick)(tick)(question)
CLIP information(tick)(tick)(question)
Anonymous call(tick)(minus)(minus)
Call divert(tick)(minus)(minus)
Call waiting(tick)(minus)(minus)
Message waiting(tick)(minus)(minus)
Call lists(tick)(minus)(minus)
PBX Manager*(tick)(minus)(minus)
Central Phonebooks(tick)(minus)(minus)
Info Center(tick)(minus)(minus)
Handover(tick)(question)(minus)
Roaming(tick)(question)(minus)
SupportFull supportOnly warranty supportNo support

 

* PBX Manager only supported with Gigaset T300/T500