技术在快速发展进步。因此，我们建立了易于使用的术语汇编，帮助您更好地了解影响您业务的术语、技术和趋势。
Interface carrying voice or data. In North America, PRI-IDSN provides 23 B channels operating at 64 kbit/s for 1.544 Mbit/s transmission and one D channel operating at 16 kbit/s for signaling/call information. In Europe, PRI-IDSN provides 30 channels operating at 64 kbit/s for 2.048 Mbit/s transmission.
