(PHP 4 >= 4.0.2, PHP 5)
К настоящему времени эта функция еще не была документирована; для ознакомления доступен только список аргументов.
This is to convert standard (latin-8895) text to T.61 text. This is useful if you have to talk to a legacy LDAPv2 server, or have legacy LDAPv2 data, as the character set for those servers was the T.61 character set.