SuperLine PSTN
If you’re not ready for hosted VoIP, SuperLine PSTN Business Telephone Service (PSTN phone) enables business customers to cut their telecommunications bills dramatically without any compromise of call quality. SuperLine Telecommunications Limited is a Coms Plc group company.
PSTN lines or Public Switched Telephone Network, in most cases means BT, i.e. an in-house telephone system (PBX) that is connected to BT standard or ISDN telephone lines.
SuperLine PSTN uses CPS (Carrier Pre Select) to automatically route your outbound calls to our platform without the need to change anything at your end. Inbound calls are not affected.
SuperLine PSTN has been connecting business calls for the past 10 years with 99.999% availability.

