Unable to Join Audio Using 'Call over Internet' Option on Verizon Network from My iPhone

Unable to join audio using 'Call over Internet' option on Verizon network from My iPhone.

Unable to join Webex audio on my iPhone using the Verizon service.

How do I enable 'Voice over LTE (VoLTE)' on my iPhone or iPad?

How do I enable LTE on my iOS device?

You may make wideband, high-quality phone calls (VoIP) with Voice over LTE (VoLTE) on your iPhone 6 or later.

Note: Some carriers support VoLTE only in certain cities or area codes. Contact your carrier to ask about your area and account.

To Turn on VoLTE:

  1. Go to Settings.
  2. Tap on Cellular.
  3. Tap on Enable LTA.
  4. Tap on Voice & Data:
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