20 Most Recent Lucent AT&T Speakerphone 832 (21215) Questions & Answers

Whether the AT&T is analogue or digital it will not work with your Toshiba system

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When you push the line where the call is parked, you should already have the reciever in your hand. If you need to put the call on speaker and you have the reciever in hand, just push the speaker button.

not sure if this site will help or not as I don't have this phone system, but maybe you can make sense of it. Best of luck. http://www.tek-tips.com/viewthread.cfm?qid=1587630