Sangoma T1 E1 telephony cards 4 Port PRI Card Part 104E40M-40347

The Sangoma T1 / E1 telephony cards read Point-Of-Sale (POS) traffic transmitted between registers and store controllers, then
filters the data before passing it to a host PC. The cards can be configured to read the loop data of most store POS systems. They
are used throughout the Point-of-Sale industry for coupon printing, store promotion, security systems and for gathering sales
and customer data.

Card is look like new and having Echo and Noise cancellation facility.