code: public final String formatE123(final PhoneNumberInterface pphoneNumberData,
        final String pcountryCode) {
      return this.formatE123(pphoneNumberData, CreatePhoneCountryConstantsClass.create().countryMap()
          .get(StringUtils.defaultString(pcountryCode)));
    }
docs: format phone number in E123 format.
  
  @param pphoneNumberData phone number to format
  @param pcountryCode iso code of country
  @return formated phone number as String