Processing Capabilities ........................................................................................................27
Reliability ...........................................................................................................................27
IP Telephone Voice Performance .........................................................................28
IP Codes............................................................................................................................28
Coding Rate .......................................................................................................................28
Objective Evaluation on Voice..............................................................................................28
Subjective Evaluation on Voice ............................................................................................28
Delay Indices .....................................................................................................................28
Service Functionalities .......................................................................................29
Service Provision Modes......................................................................................................29
Available Services...............................................................................................................29
Chapter 4..................................................................................31
Hardware Structure................................................................................31
Overview......................................................................................................... 31
Structure Layout Diagram..................................................................................32
Board Overview................................................................................................33
Integrated Control & Switch Board (ICS) ..............................................................................33
Packet Processing and Resource Board (MPR) .......................................................................35
Analog Line Card (ALC).......................................................................................................37
ADSL Subscriber Card (ADLG).............................................................................................38
Test Subscriber Line Card (TSLC).........................................................................................40
POWER H...........................................................................................................................41
Chapter 5..................................................................................45
Software Structure .................................................................................45
Overview......................................................................................................... 45
Software Structure............................................................................................45
O&M Provision....................................................................................................................46
Database System ...............................................................................................................47
Operation Support System ..................................................................................................49
Bearer System ...................................................................................................................52
Call Connection System.......................................................................................................52
H.248 System....................................................................................................................54
Chapter 6..................................................................................57
Interface and Communication................................................................57
Interfaces ........................................................................................................57
Subscriber Side Interfaces...................................................................................................57
To Next Page
Loading...
Need help?
General
