User Manual
U-SYS IAD108 Integrated Access Device
Chapter 1 System Overview
1-3
H.323GK
MRS
3rd Party Server
SoftSwitch
Ephone
PCphone
SIP multimedia
terminal
MGCP/H.248
AMG5000
MGCP/H.248
AAA
SCP
PSTN
IP network
TMG
SoftSwitch
IAD108
PSTN
TMG
SG
R
R
AAA: Authentication,
Authorization and Accounting
SCP: Service Control
Point
MRS: Media Resource
Server
SG: Signaling Gateway
TMG: Trunk Media
Gateway
AMG: Access Media
Gateway
Figure 1-2
Location of IAD108 in NGN
1.2
Service Functions
Acting as a device in the user access layer of NGN, IAD108 can
provide abundant services:
z
Access POTS users to IP network.
z
Access Ethernet users into IP packet network.
z
Support IP semi-permanent connection (SPC) and internal
SPC.
z
Support T.38 fax or transparent transmission of fax.
z
Support transparent transmission of Modem signals.