Terminal Type: Analog Phone, IP Phone, Video Phone, Soft Client
Relay Interface: 30E1, 20T1, 56FXO
Signaling protocols: E1/SS7, E1/R2, E1/PRI, E1/QSIG, T1/PRI, T1/QSIG, SIP Codec format: G.711A/μ, G.729a/b, iLBC
Number of conference channels: 320 conference halls, 960 conference parties, and up to 120 parties per conference room
System Reliability: 99.990%
Maintainability: Supports remote maintenance, automatic inspection, log collection, and support for summer time.