0, competitive service providers can now support intelligent signaling of voice applications, such as PRI-ISDN and DASS2
, and Frame Relay data services to increase service revenue and achieve considerable equipment savings.
Excel currently supports ISDN Primary Rate Interface as well as DPNSS and DASS2
, two UK variants of the ISDN PRI product.
The ISDN software package, both for BRI and PRI, supports a variety of American and European standards, including National ISDN-1, ISDN-2, EuroISDN ETSI, German 1TR6, French VN3 and VN4, AT&T 5ESS, DASS2
, Australian, and more.