An engineer at a VoIP provider needs a master list of ITU-T E.164 assignments. A shared drive contains ids.xls —a 20-year-old file that lists every country's international dialing prefix. Downloading it saves weeks of data entry.
Many modern systems export to CSV or JSON. You can load those into Excel yourself, bypassing the need for a risky .xls file entirely. ids.xls download
If you have specific requirements or details about the "ids.xls" file and the report, please provide them for a more tailored response. An engineer at a VoIP provider needs a
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