TelephoneNumberMatch is an EQUALITY Matching Rule compares for equality the asserted value with an attribute value of TelephoneNumber syntax.

TelephoneNumberMatch has an OID of and is applied to LDAPSyntaxes for TelephoneNumber (

While RFC 2252 defines TelephoneNumberMatch as "multiple adjoining whitespace characters are treated the same as an individual space, and leading and trailing whitespace is ignored, several LDAP Server Implementations also apply will accept values with any ASCII printable characters. When making comparisons, spaces and dashes will be ignored and case-insensitive as well.


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