"Base has 17 groups and handset has 15 groups chord music rings,
Call in mumber voice talking function.Auto-answer and voice pager function
Auto or manually scan free channel, choice the best channel and
Support up to 3 Handsets, means one Base can support three Handsets
When Base check the incoming information, can store the numbers to
Handset over-range alarm function;Pre-dial (30 d