UTStarcom Handset - Manual (Page 67)

SMS
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2. Select the desired option for sent messages, then press to
confirm.
12.6.6 Callback #.
The phone will automatically include a call back number when you write a
new message.
1. Press , , .
2. Press after inputting a callback number.
12.7 Delete All
To delete Inbox/Outbox Messages (except for Locked Messages):
1. Press .
2. Select the desired option, then press to confirm.
- Inbox: To delete inbox messages
- Read Inbox: To delete only Read Inbox messages
- Outbox: To delete outbox messages
- Saved: To delete saved folder messages
- Delete All: To delete Inbox/Outbox/Saved messages