Samsung GT-C3530, User Manual, Page: 30 / 72

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To hold a call or retrieve a held call
Press < Hold > to place a call on hold or press
< Retrieve > to retrieve a held call.
To dial a second call
If your network supports this function, you can dial
another number during a call:
Press < 1. Hold > to place the first call on hold.
Enter the second number to dial and press 2.
[ ].
Press < 3. Swap > to switch between the two calls.
To answer a second call
If your network supports this function, you can
answer a second incoming call:
Press [ 1. ] to answer the second call.
The first call is automatically placed on hold.
Press <
2. Swap > to switch between the calls.