General
Supported ISDN Features
•Call waiting
•Call forwarding ("immediately," "on busy" and "after a specified time")
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•Enquiry calls
•Callback on busy (CCBS)
•Callback on no reply (CCNR)
•Toggling
•Multiple subscriber numbers (on a
•Calling number restriction (CLIR)
•Restrict display of your number on called subscriber’s device (COLR)
•Advice of charge (AOCD/AOCE)
•Explicit external call transfer (ECT)
•Identification of malicious callers (MCID)
•Visual
Please note:
Certain features must first be ordered from your telephone network provider before you can use them.
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