If another call (named C) comes in when you (named A) are
on the phone with the other party (named B), A will hear
waiting tone on the phone. A has two choices. Ask B to wait,
and then switch to the conversation with C; or keep talking
with B and let C wait.
How to use this function?
1) Setup: Press “*43#” after hearing dial tone. You can hear
the verification tone, otherwise please do above step
again until hearing the verification tone.
Note:The call Waiting need network support.
2) Operation: When C calling into a conversation between A
and B, A and B both can hear the call waiting tone, and C
will hear ring back tone.A has three choices:
<1> Keep talking with B, pressing “R” ( or pat cradle if
cannot find “R”). Press “0” when hearing dial tone. C will
hear busy tone.
<2> Hold on B, switch to talk with C. To do this, A should
press “R”, after hearing dial tone, press “2”.
<3> Finish conversat ion with B, switch to talk with C. To
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