Huawei U-SYS IAD208E - Page 18

User Manual
U-SYS IAD208E(M) Integrated Access Device Chapter 1 System
Overview
Huawei Technologies Proprietary
1-3
SoftSwitch
AMG
SG
iOSS
IAD208
AAA
3rd party server
MRS
Ephone
phone fax PC
TMG
SIP
多媒体终端
phone
fax
PC
PSTN
SoftSwitch
TMG
IP Network
iOSS: integrated operation support system
AAA: authentication, authorization and accounting
SCP: service control point 3rd Party Server: 3rd party
server
MRS: media resource server Ephone: Ethernet phone
SG: signaling gateway TMG: trunk media gateway
AMG: access media gateway IAD: integrated access device
Figure 1-2 Location of the IAD208E(M) in NGN