Spectralink PTB450 Wireless Telephone User Manual
Spectralink Corporation Wireless Telephone Users Manual
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PTB450 User Manual PDF Version
Users Manual
<noframes>Wireless Telephone User Manual <br />Directly view this document at <a href="https://usermanual.wiki/Spectralink/PTB450-821992.pdf">https://usermanual.wiki/Spectralink/PTB450-821992.pdf</a> </noframes>
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