Owner’s manuals and user’s guides for Telephones Sayson 480i.
We providing 4 pdf manuals Sayson 480i for download free by document types: User Manual, User's Guide, Installation Manual

Sayson 480 User guide,
37 pages
Sayson Sayson AltiTouch 390 User guide,
68 pages
a brochure for Avaya Partner compatible phone,
2 pages
390/480e ADSI Phone Asterisk Developer,
38 pages
Sayson devices