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<font face="Verdana, Arial" size="2">Originally posted by KENB:
are the phone part numbers ending in a h or s
also if you get a manual look at program 5xx
sta class of service there are options to enable speakerphone/and mic on at start of call/and handsfree answer back
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I'll have to ask the cutomer about the model number. Didn't look at them.

I made sure that all options in 5XX re mic were enable on all phones, speakerphone enable, mic lock, and mic at start of call. Also changed settings to see what happens, which was nothing changed. And if all phones were programmed the same, it didn't make sense that only a couple worked.

Didn't check if handsfree answerback worked. Another tech at my co said that older systems sometimes worked with answerback, but speakerphone was an extra option, sometimes added to the phone. They all had a MIC button with light.

I Didn't open the working phone to see if anything was different then the non-working phone (I was on the clock and didn't want to kill him with a bill when nothing got fixed).

I told him I'd ask around and email him if I got an answer.