CIF Telephone/Fax Numbers
Many CIF data items take as value a telephone or fax number (e.g.
_publ_contact_author_phone). The convention for expressing a telephone
or fax number is as follows.
A complete telephone or fax number may be defined by concatenating
- the international dialling prefix
- the area code in parentheses (without the area code initial digit
as used for internal communications - see the first example below)
- the local number
The convention in the Core dictionary version 1.0, where the international
dialing prefix was given in parentheses and an extension was indicated by
the string "ext" (e.g. '(44) 1244 342878 ext 212'), is no longer
recommended for writing CIFs, but CIF readers should accept it.
- the character "x" followed by an extension number
The telephone extension of the COMCIFS Coordinating Secretary at
Chester (area code 01244), UK (international code 44)
The fax number of the IUCr office in Chester, UK
A telephone number in France, where area codes are not supported
Updated 12 August 1997
Copyright © 1997 International Union of Crystallography