code: func (nvps *NumberVoicePriceService) Get(ctx context.Context, number string) (*VoiceNumberPrice, error) {
  	voiceNumPrice := new(VoiceNumberPrice)
  	err := nvps.client.GetResource(ctx, voicePathPart+"/Numbers", number, voiceNumPrice)
  	return voiceNumPrice, err
  }
docs: // returns the call price by number