|
5954| 5
|
[Sonet/SDH] 请教各位大虾，在电信体系结构中骨干网/接入网/核心网/智能网之间关系是怎样的？ |
|
| |
|
||
发表于 2007-4-21 11:57:00
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-8 20:33 , Processed in 0.142378 second(s), 16 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed