Apparently so:
http://www.astrocorp.com/univers/t1timing.shtml
"The network timing source can be generated in a number of ways; the
important thing is for the installer and the Telco to agree in advance
what that single source of timing will be."
-- Dick St.Peters, stpeters@NetHeaven.com Gatekeeper, NetHeaven, Saratoga Springs, NY, 1-800-910-6671 (voice) Saratoga/Albany/Amsterdam/BlueMountain/BoltonLanding/Cobleskill/ Greenwich/GlensFalls/LakePlacid/NorthCreek/Plattsburgh/... Oldest Internet service based in the 518 area code - To unsubscribe, email 'majordomo@livingston.com' with 'unsubscribe portmaster-users' in the body of the message. Searchable list archive: <URL:http://www.livingston.com/Tech/archive/>