Power IMS access network evolution and integrated method
The State Grid had decided to construct next generation switching network using IMS technology,so the existing access devices and equipments needed to be updated or formed.Four kinds of access equipment unit were introduced,which were access gateway（AG）,integrated access device（IAD）,IP PBX and SIP p...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Beijing Xintong Media Co., Ltd
2015-12-01
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| Series: | Dianxin kexue |
| Subjects: | |
| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2015404/ |
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