How can I use HD Voice technology?

How can I use HD Voice technology?

To use the HD Voice technology:

  • Both conversants should be using the Vodafone 3G network
  • Both devices should support HD Voice technology

HD Voice can be used also in calls toward Vodafone Italy. 

Relevant Questions

Telefonata

Can I block calls from a specific number? How can I activate the missed calls service? How can I block calls from private numbers? How can I use HD Voice technology?