3.Tap Call Waiting > Get Settings…
4.Select the setting you require:
●Select Notify me to enable call waiting.
●Select Do not notify me to disable call waiting.
5.Tap ok.
Configure caller ID
Configure caller ID to enable the telephone network to display your identity on the recipient's caller ID display.
To configure caller ID:
1.Press the 
(Answer/Send) key.
2.Tap Menu > Options… > Services.
3.Tap Caller ID > Get Settings…
4.Select who do you want your identity displayed to and then tap ok. To prevent your identity from being displayed to others, tap No one.
Block calls
If you do not wish to receive calls from certain numbers, you can block the numbers on your HP iPAQ. To block calls:
1.Press the 
(Answer/Send) key.
2.Tap Menu > Options… > Services.
3.Tap Call Barring > Get Settings…
4.Select the type of calls you want to block and then tap ok.
Set up Voice mail or text messaging center number
To use Voice mail or send text messages (SMS), enter the correct Voice mail or text message phone number in phone settings.
NOTE: Sending text messages is not included in all network service plans. Ask your mobile service provider if your plan includes this service.
To set up Voice mail or text messaging center number:
1.Press the 
(Answer/Send) key.
2.Tap Menu > Options… > Services.
3.Tap Voice Mail and Text Messages > Get Settings…
4.Enter the Voice mail or text message center number in the appropriate box.
5.Tap ok.
If you do not know the correct Voice mail or text message phone numbers, contact your mobile phone service provider.
30 Chapter 6 Use your Business Messenger