NEC DT730G (CG): ITL-12CG-3 User Manual page 126

1.
STEP 3: 1
Select User Setting then press
(Enter),
key.
STEP 4: 2
Select Talk then press
(Right-cursor) or press
(Right-cursor) or press
(Enter),
key.
2
STEP 5:
Select
1
STEP 6:
Select
118
5
Prefix then press
(Right-cursor) or press
1
Prefix then press
(Right-cursor) or press
(Enter),
key.
5
(Enter),
key.
1