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?