code: public final String formatE123International(final String pphoneNumber,
        final String pcountryCode) {
      return this.formatE123International(this.parsePhoneNumber(pphoneNumber, pcountryCode));
    }
docs: format phone number in E123 international format.
  
  @param pphoneNumber phone number to format
  @param pcountryCode iso code of country
  @return formated phone number as String