ATL Telecom IP300S - Manual (Page 51)

IP SIP Phone v2 User’s Guide Mar. 2005
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9.6. Block Calls
IP SIP Phone can add entries on address book into blocking list and filter out calls from those
parties. On receiving calls from those parties, IP SIP Phone will drop them silently with a
response “480 Temporarily unavailable” (same as DND). Currently the max blocking list
capacity is 20.
1. Add entries into blocking list
a. Press 【 】 FUNC + 【 】 # to activate menu.
b. Go to submenu “1. Address book” / “1. Search”, and locate the party you want to
block.
c. Choose “screen call” to add it into blocking list (press 【 】 HOLD again to toggle
between addition and removal).
1 . M o d i f y
2 . E r a s e
3 . S c r e e n c a l l s
Alternatively, you may point your web browser from you PC to the phone, then go
to 『Address Book』 and click on the contact which you want to block out.
Then click “Add to Call Screen” to add this contact into black list.