I am currently testing a SPA514G and Plantronics CS540, connected via an APC-45 adaptor.How do I get the headset working so that when I press the answer button on the headset, it answers the call rather than having to press the answer button on the S...

When using the SPA302D caller ID for the number comes up as a series of x's. The display name is there (support, sales, Cameron) but the number below just shows as xxxxxxxxxxxxx. If you press call it does call the number but just displays the x's. Ho...