Call Waiting - AT&T SYSTEM 25 User Manual
Direct trunk attendant console
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Also See for SYSTEM 25:
- Installation and maintenance manual (438 pages) ,
- Manual (194 pages) ,
- User manual (101 pages)
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Call Waiting
Other voice terminals in your System 25 can have the Call
Waiting feature. When you dial the PDC of a busy party who
has this feature, you will hear a special ringback tone. This tone
indicates that the line is busy, but the called party has been
notified of a waiting call. You can still camp-on (extend) a call to
that station,
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