Appendix

Troubleshooting

The telephone does

Make sure you subscribe to caller ID with call

not receive caller ID

 

waiting features provided by the telephone service

or the telephone does

 

provider.

not display caller ID

The caller might not be calling from an area that

during call waiting.

 

supports caller ID.

 

 

 

Both your and the caller’s telephone service

 

 

providers must use equipment compatible with

 

 

caller ID service.

 

If you subscribe to high-speed Internet service

 

 

(digital subscriber line - DSL) through your

 

 

telephone line, you must install a DSL filter between

 

 

the telephone line cord and the telephone wall jack

 

 

(see Telephone installation on page 7). The filter

 

 

prevents noise and caller ID problems caused by

 

 

DSL interference. Please contact your DSL service

 

 

provider for more information about DSL filters.

 

 

 

The answering

Make sure the answering system is on (see To turn

system does not

 

on the answering system on page 43). When the

answer after the

 

answering system is on, the ANS ON/OFF light

correct number of

 

should be lit.

rings.

If you choose tS 2-4 (or tS 4-6) in # OF RINGS,

 

 

the answering system picks up incoming calls after

 

 

two (four, if you select tS 4-6) rings if there are any

 

 

new messages. When there are no new messages,

 

 

the answering system picks up incoming calls after

 

 

four (six, if you select tS 4-6) rings (see Feature

 

 

summary on page 15).

 

If the memory is full or if the answering system is

 

 

off, the system answers after ten rings.

 

In some cases, the answering system may be

 

 

affected by the ringing system used by the

 

 

telephone service provider.

 

 

 

The announcement

When recording the announcement, make sure you

message is not clear.

 

speak in a normal tone of voice about nine inches

 

 

from the telephone base.

 

Make sure there is no background noise (television,

 

 

music, traffic, etc.) when recording.

 

 

 

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Page 62
Image 62
AT&T CL4939 user manual On the answering system on page 43. When, If you choose tS 2-4 or tS 4-6 in # of Rings