adewijaya
2011-07-14, 02:06 PM
Contents
1 Scope ......................................................................................................5
2 M-MGw Overview ...................................................................................5
3 M-MGw Roles .........................................................................................6
4 M-MGw Main Functionality....................................................................6
4.1 Media Stream Processing (Speech Processing) .....................................6
4.2 Circuit Switch Data (CS Data)..................................................................7
4.3 Signaling Functions................................................................................10
5 M-MGw Interfaces ................................................................................12
5.1 WCDMA (3G) Radio Access Network Interface.....................................12
5.2 GSM (2G) Radio Access network interface ...........................................13
5.3 Nb Interface ...........................................................................................13
5.4 VoIP Interface to other IP based Networks............................................14
5.5 PRA........................................................................................................15
6 Transport Bearers................................................................................17
6.1 IP............................................................................................................17
6.1.1 Redundancy...........................................................................................17
6.1.2 Quality of Service...................................................................................17
6.1.3 IP Security..............................................................................................18
6.1.4 IP multiplexing........................................................................................19
6.2 TDM .......................................................................................................19
6.3 ATM .......................................................................................................19
7 M-MGw Architecture ............................................................................21
7.1.1 Software redundancy .............................................................................22
7.1.2 Reliable Program ...................................................................................22
7.1.3 Fault Tolerant Core ................................................................................23
7.1.4 Recovery................................................................................................23
8 M-MGw Operation and Maintenance ..................................................24
8.1 M-MGw O&M systems ...........................................................................24
8.2 M-MGw O&M activities ..........................................................................24
8.3 O&M Interface........................................................................................25
9 M-MGw Security Solution....................................................................27
9.1 Security of O&M network .......................................................................27
9.2 M-MGw Security Functions....................................................................27
10 Licensing ..............................................................................................29
11 Synchronization ...................................................................................30
12 M-MGw Site...........................................................................................31
1 Scope ......................................................................................................5
2 M-MGw Overview ...................................................................................5
3 M-MGw Roles .........................................................................................6
4 M-MGw Main Functionality....................................................................6
4.1 Media Stream Processing (Speech Processing) .....................................6
4.2 Circuit Switch Data (CS Data)..................................................................7
4.3 Signaling Functions................................................................................10
5 M-MGw Interfaces ................................................................................12
5.1 WCDMA (3G) Radio Access Network Interface.....................................12
5.2 GSM (2G) Radio Access network interface ...........................................13
5.3 Nb Interface ...........................................................................................13
5.4 VoIP Interface to other IP based Networks............................................14
5.5 PRA........................................................................................................15
6 Transport Bearers................................................................................17
6.1 IP............................................................................................................17
6.1.1 Redundancy...........................................................................................17
6.1.2 Quality of Service...................................................................................17
6.1.3 IP Security..............................................................................................18
6.1.4 IP multiplexing........................................................................................19
6.2 TDM .......................................................................................................19
6.3 ATM .......................................................................................................19
7 M-MGw Architecture ............................................................................21
7.1.1 Software redundancy .............................................................................22
7.1.2 Reliable Program ...................................................................................22
7.1.3 Fault Tolerant Core ................................................................................23
7.1.4 Recovery................................................................................................23
8 M-MGw Operation and Maintenance ..................................................24
8.1 M-MGw O&M systems ...........................................................................24
8.2 M-MGw O&M activities ..........................................................................24
8.3 O&M Interface........................................................................................25
9 M-MGw Security Solution....................................................................27
9.1 Security of O&M network .......................................................................27
9.2 M-MGw Security Functions....................................................................27
10 Licensing ..............................................................................................29
11 Synchronization ...................................................................................30
12 M-MGw Site...........................................................................................31