博文
- 2007-12-26 13:52:43 ·Q.931 Protocol Overview
- 2007-12-26 13:50:55 ·Q.921 Protocol Overview
- 2007-12-26 11:29:34 ·Introduction to Q.921
- 2007-12-21 04:53:11 ·(九）References and Sources on the Internet
- 2007-12-21 04:51:49 ·(八) Layer 3 - Network Layer
- 2007-12-21 04:50:41 ·(七) Layer 2 Protocols
- 2007-12-21 04:49:06 ·(六) Layer 1 - Physical Layer
- 2007-12-21 04:47:40 ·(五) Interfaces
- 2007-12-21 04:45:39 ·(四) Advantages
- 2007-12-21 04:43:18 ·(三) History
- 2007-12-21 04:41:12 ·(二) Definitions
- 2007-12-21 04:38:28 ·(一) Introduction
- 2007-12-20 16:50:29 ·ISDN Tutorial