20 Most Recent Polycom SoundPoint 650 IP Phone - LCD - 10/100Base-TX - IP Phone Questions & Answers

This means that your phone will not dial a url number, i.e. sip://[email protected]. This is generally a network or configuration error, and I would specifically make sure the phone either has static DNS entries entered or is receiving DNS entries via DHCP.

Please verify that you have the headset plugged into the correct port on the back of the phone. The handset and headset plugins are right beside each other, and it's easy to get them backwards. This also explains the sound issue, as a headset outputs amplified audio out, whereas a headset is analog and the phone does the amplification of the audio you speak.

Voicemail systems are a function of the PBX that the phone is connected to, not the phone itself. If you do not have administrative access to the PBX, there is no way to reset the password from the phone unless you know what the password currently is. What kind of premise PBX or hosted PBX service is the phone connecting to?

Without knowing what phone .... I would say "Press DND" again

Transmission circuit is responsive, however the speaker seems to be defective or the receiver section has failed. This is an internal function whereby the unit requires inspection by a technician to correct the issue at hand.

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