I am working with a Nortel Norstar Meridian system and I was wondering how I might go about extending the available time lenth allowed to leave voice messages. I believe it is currently set to about 3 minutes. I am interested in increasing it's capacity to at least 5.

Apparently the maximum has always been 10 until I went and deleted my CCR tree and had to re-configure. Are those two even related? I read in the manual that I will have to connect to the system via a network connection of serial cable to change the voice mail lenth option. Is that true? I'm up in arms here. Thank you.