User guide

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9xxxxxxx any 8 digits number starting with 9 will be sent out immediately.
911 after finishing dialing 911, it will be sent out immediately.
911T4 after finishing dial 911, it will be sent out in 4 second.
9911x.T4 any number more than 5 digits length starting with 9911, will be sent out in 4
seconds.
2.5.3 Phone Book configuration
Phone book configuration is used for add phone Book, Delete phone Book, Modify phone
Book. Support up to 500 items.
2.5.4 Function Key configuration
There are 4 programmable memory keys on the C4110 phone and 8 programmable memory keys on the
extended model . You can set the programmable keys with any of the following functions: Line, memory
keys, key event.