Samsung SGH-T155YKGTRF - Manual (Page 29)

Call Functions 25
Muting or Sending Keypad Tones
These options allow you to turn the key tones off or on. If the Mute Keypad Tone
option is selected, it allows you to press keys without hearing key tones during a
call.
Note: To communicate with answering machines or computerized telephone systems, the Send
Keypad Tone option must be selected.
Switching off the Microphone (Mute)
During a call, you can temporarily switch your phone microphone off so that the
other person cannot hear you. Press the Mute/Unmute soft key.
Searching for a Number in Address Book
You can search for a number from the Address Book during a call.
1. Press the Options soft key, then select Contact List.
2. Highlight the Contact List entry.
- or -
Enter the first few letters of the contact into the Search field to highlight the
closest match.
3. Press Options ➔ View or to view your selected contact.