prices_voice.go
func (cvps *CountryVoicePriceService) Get(ctx context.Context, isoCountry string) (*VoicePrice, error) {
	voicePrice := new(VoicePrice)
	err := cvps.client.GetResource(ctx, voicePathPart+"/Countries", isoCountry, voicePrice)
	return voicePrice, err
}
func (cvps *CountryVoicePriceService) Get(ctx context.Context, isoCountry string) (*VoicePrice, error) {
	voicePrice := new(VoicePrice)
	err := cvps.client.GetResource(ctx, voicePathPart+"/Countries", isoCountry, voicePrice)
	return voicePrice, err
}
// returns the call price by country