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8x8 Support

No Dial Tone on Poly Desk Phones

Symptom

No dial tone is observed on Poly phones when the handset (receiver) is picked up.

Applies To

  • Poly VVX models VVX 101 - VVX 601

Resolution

Ensure that the handset cable is plugged into the right port (a phone icon above the port). If you find it plugged into the wrong port, unplug the cable and plug it into the right port. If this doesn't resolve the issue, follow the below steps:

  1. Turn on the loudspeaker button on your phone, and check if you could hear the dial tone. If yes, it indicates that the handset (receiver )/curly cables might be defective. 
  2. Try swapping the handset with another handset connected to a working phone.
  3. Try swapping different curly cables connecting your desk phone and the receiver. Doing this helps you to identify if the issue is with the curly cable or the handset itself.

Once you confirm that you could hear the dial tone, replace the faulty receiver or curly cables, but if the issue still persists try the below:

  1. Connecting the phone to a different location.
  2. Try using different ports and Ethernet cables.
  3. If the issue still persists even after the above steps, reach out to 8x8 support team, click here.

Cause

There are many reasons for not having the dial tone on Poly phones such as faulty handsets, cables, and ports.

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