Gamma and Samsung user guides
Here in our resource centre you can find a selection of Samsung and Gamma user guides and videos. If you cannot find a resource about something that you are looking for in particular, please call us on 0800 316 0123 or send an email and we’ll do our very best to help.
To read the STL Terms and Conditions for Network Services click below.
Telephone programming guide
For answers to the most frequently asked questions about how to program your handset click below. If you still need help, please call us on 0800 316 0123.
Select the STL factsheets to download:
STL Horizon Video
STL Inbound Video
STL SIP Trunks for Business Video
Watch another STL video here soon!