Module hỗ trợ 1 cổng kết nối E1 ZYCOO PRI (1E1/T1)
- Module hỗ trợ 1 cổng kết nối E1 (Hỗ trợ tổng đài U80/U100).
- The Primary Rate Interface (PRI) is a standardized telecommunications service level within the Integrated Services Digital Network (ISDN) specification for carrying multiple DS0 voice and data transmissions between a network and a user.
- 1PRI module supports CooVox-U50/U100/ Asterisk Appliance P2 IP Phone system with 1 PRI port. One port has four LEDs(Light-Emitting Diodes).