Even in 5.01, I didn't know it (m ext) was even available on or using 1FB's. (They (NEC) did talk about it - we use it only on PRI's)

What kind of trouble are you experiencing? It's very hard to answer this or offer you any kind of advice from such a generic question.

(Tony3866 wrote:) Having trouble with Mobile EXT on analog lines.
Version 5.01
Any tips