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Invalid CallerID on Outbound Calls (International)

For the past 20 years Helix Telecom has used North America standard numbers for outbound CallerID numbers.   The North America standard (also called E.163 standard) is country code (1) plus the area code followed by the 7 digit phone number.   For example..  Helix Telecom's main phone number would be reported as 18556154357 where 1 is the country code for the United States, 855 is the area code and 6154357 is the 7 digit phone number.

During the past several years some mobile phone companies have added international calling as part of their standard calling packages.   All countries in the world (outside of the United States) use an international format called E.164.  Under the international standard the 1 before the phone number is removed.  This causes mobile phones with international calling to interpret the area code as a country code.   For example.. "631" area code would be interpreted as the "Philippines" because "63" is the country code for the Philippines.  
  • North America Standard = 18556154357
  • International Standard = +18556154357

Beginning October 7, 2017 Helix Telecom will now offer customers the ability to choose between North America Standard or International Standard.   Customers who would like to switch to the E.164 International Standard should visit and open a ticket with this request.    

Customers should be aware Helix Telecom does not recommend migrating to the E.164 standard.   This standard is not supported by any landlines in the United States and remains unsupported by a majority of mobile phone carriers in the United States.   Mobile phones not supporting the new standard will be unable to save this new format in the mobile phone's address book or return calls to these numbers.  Helix Telecom will not offer any support for this new standard and is not responsible for call completion errors, busy signals or lost business as this new format may not display properly (or at all) on landlines or mobile phones.   

Below is a link to additional information about the E.164 standard:
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