Zenitel, Telephone, models:

ITSV-2	Quick Installation Manual
ITSV-4	Quick Installation Manual
SDS-1	Configuration Manual
Vingtor Stentofon 1008000000	Configuration Manual
Vingtor Stentofon 1008015000	Configuration Manual
Vingtor Stentofon VSP Series	User Manual
Vingtor Stentofon VSP-122	User Manual