Select the phone connection type that works the best for your business. Telephone line options include T1, PRI, SIP, and Analog.
A VoiceIP PBX uses industry standards to interoperate with the most cost effective or available line providers in your area.
Digital Lines (T1 E1)
Digital t1’s provide up to 23 voice channels per line, and are ideal [...]
Copper Lines, E1, PBX, T1, Voip
SIP
Calls Per Line:
unlimited
Requirements
High speed internet connection
The Session Initiation Protocol (SIP) is a signaling protocol, widely used for controlling multimedia communication sessions such as voice and video calls over Internet Protocol (IP).
PRI
Calls Per Line:
23
Requirements
PRI to SIP conversion device
The Primary Rate Interface (PRI) is a standardized telecommunications service level within the Integrated Services Digital Network (ISDN) specification [...]
Branch Exchange, E1, PBX, T1
