DSP resource module supports up to 120 simultaneous VoIP calls permodule. Up to two DSP modules can be combined to support up to 240simultaneous VoIP calls per DS1 T1/E1 Line Interface Card.
Please Note - When using the Tenor CMS as a TDM circuit switchonly, a minimum of one DSP Resource Module is mandatory whenusing T1 or E1 Channel Associated Signaling (CAS) protocols.