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Butler 3900/Twin/Triple/Quattro
4 Butler 3900/Twin/Triple/Quattro
9 Advanced functions 22
9.1 Phonebook 22
9.2 Setup prefix memory 23
9.3 Searching a handset from the base 23
10 Managing multiple handsets 23
10.1 Setting up an additional handset 23
10.2 Removing a handset 24
10.3 Setting up a handset on another base 24
11 Trouble shooting 25
12 Topcom warranty 25
12.1 Warranty period 25
12.2 Warranty handling 25
12.3 Warranty exclusions 26
13 Technical characteristics 26