BT warns users to update numbers in memory



Antony Adshead

Computer operated telephone and fax equipment could fail after 5 August unless it is updated to use the latest telephone...



Antony Adshead

Computer operated telephone and fax equipment could fail after 5 August unless it is updated to use the latest telephone codes.

Computer operated telephone and fax equipment could fail after 5 August unless it is updated to use the latest telephone codes.

IT managers must check that equipment is Big Number-compliant before the "safety net" is switched off, BT has advised. Calls made to old format phone numbers as a result of numbers being retrieved from computer memory will fail from this date onwards.

BT has warned that the problem will strike especially where areas of responsibility are unclear between IT and telecoms managers, with each believing the other to be responsible for updating settings on communications equipment.

Local numbers changed in six areas on 22 April in the so-called Big Number change, but calls via the old numbers have been connected since then as a safety net.

This safety net will be removed between 5 August and 14 October.

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