User manual
: Ring Pattern Detection ()
51
4. ()
Rings to Answer ()
(
)
5.
(
Distinctive Ring () )
(
Rings to Answer () )
E: /
()
5-4
1
2
1-LINE
/
3
()
/
1.
1-LINE
:
/
2.
:
●
2-EXT
●
3.
:
64
5
THWW