Ericsson CF337 - Manual (Page 28)

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If you hear a tone while on a call:
> Your battery may be low. A long tone warns you that about a
minute of calling power remains.
> Another call may have come in for you. (See p. 37 for notes on
how to use Call Waiting/Call Hold.)
If your handset or SIM Card is lost or stolen:
> Don’t delay! Notify Omnipoint Customer Care immediately at
1-888-OMNI-611. We can deactivate your SIM and help
prevent unauthorized use.
TROUBLESHOOTING
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Omnipoint services are 100% digital, so they’re more reliable
than conventional cellular phone service.
But because your handset operates over radio frequencies, you may
experience difficulties in some locations – therefore you should never
rely solely upon your handset for essential communications in
emergencies. (See your Ericsson User’s Manual for additional
important information.)
Here’s a quick set of notes and troubleshooting tips.
If you have a weak signal or see the message “No Network” on your
handset display:
> If you’re inside a building, try moving close to an outside
window.
If your long distance call won’t go through:
> Remember to enter plus area code if calling long
distance.
If you have a poor connection:
> The problem may be at the other end; press to cancel the
connection and place your call again.
> You may be calling from a fringe coverage area. Check your
coverage map. Notify Omnipoint Customer Care if you
consistently have trouble in a particular location.
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