Sprint Nextel 550 - Manual (Page 61)

Section 3: Using the PCS Connection Card
3C: Voice Connections 55
Using the Keypad
The keypad is used to answer and place voice calls. The keypad performs
the same functions as the keypad on a mobile phone.
Tip: You can store frequently dialed numbers in the Phone Book and dial
directly from the Phone Book window instead of entering the number on the
keypad. See page 67 (notebook PCs) or page 70 (Handheld/Pocket PCs).
Notebook / Handheld PC
The keypad is displayed when you click the keypad button, located next
to the MENU button in the lower left corner of the PCS Connection
Manager window.
1. Click the keypad button
2. The keypad appears