Represents an attribute's value as a string that complies with the internationally designated format for telephone numbers, E.123, and an optional bit string formatted according to Recommendation T.30.
int32 length; //total length tdr_str telephoneNumber; int32 bitCount; int32 parameterLen[]; int8 parameters[];
The directory matches Facsimile (Fax) Telephone Numbers based on the telephone number field. The rules for matching fax telephone numbers are identical to those for the Case Exact String, except that the directory skips all space and hyphen characters during the comparison.
The number of parameter bytes for bitCount is determined by dividing bitCount by 8. The number of bytes for parameters is determined using the same formula that bitCount uses.