Submit a request
Sign in
M12 Solutions
Fixed Voice
Fixed Voice
General
What is a Codec?
What is the G.711 Codec?
PSTN and Fixed Lines
What is PSTN?
On Premise & DBX
What is DBX?
SIP & PBX
What do I need to use SIP Trunks?
Which SIP Trunk Carriers does M12 use?
What is a SIP Trunk?