code: public final String formatDin5008National(final String pphoneNumber, final String pcountryCode) {
      return this.formatDin5008National(this.parsePhoneNumber(pphoneNumber, pcountryCode));
    }
docs: format phone number in DIN 5008 national format.
  
  @param pphoneNumber phone number to format
  @param pcountryCode iso code of country
  @return formated phone number as String