User manual
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Corded Phones
Corded Big Button Secure 347 Visual call notification, Hands-free No display White
11
12
13
14
15
16
17
18
19
20
A
A
A
A
A
A
A
A
M2
M3
M1
M4
2
3
1
5
6
4
0
8
9
7
1
1
1
1
4
3
6
7
9
2
8
5
10
11
12
13
14
15
16
17
18
19
20
21
22
POWER
LINE
EXT
PAIRING
23
24
1
...
...
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11
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13
14
...
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