|
1.1
| Circuit Switch |
3
|
3
|
|
1.2.2.1
| Wireline |
9
|
8
|
|
1.2.2.2
| Wireless |
2
|
2
|
|
1.2.3
| Media Gateways |
3
|
3
|
|
1.2.4.1
| Legacy Ethernet Switches |
8
|
8
|
|
1.2.4.2
| Virtualized Ethernet Switches |
1
|
1
|
|
1.2.7
| Application Servers |
7
|
7
|
|
1.2.8
| Service and Network Controller (SNC) |
3
|
3
|
|
1.2.9.1.1
| Legacy Core Routers |
7
|
7
|
|
1.2.9.2.1
| Legacy Edge Routers |
13
|
13
|
|
1.2.9.2.2
| Virtualized Edge Routers |
2
|
2
|
|
1.2.9.3
| Access |
12
|
12
|
|
2.1
| Service Control |
5
|
5
|
|
2.2
| Signaling Controllers |
4
|
4
|
|
2.3
| Home Location Register (HLR) |
4
|
4
|
|
2.5
| Protocol Servers |
3
|
3
|
|
2.6
| Network Security and Access Control |
5
|
5
|
|
2.8
| Mobility Management Entity (MME) |
2
|
2
|
|
3.1.1.1.1
| Metallic Conductor Cable |
13
|
13
|
|
3.1.1.1.2
| Metallic Connectors |
3
|
3
|
|
3.1.1.2.1
| Fiber Optic Cable |
60
|
59
|
|
3.1.1.2.2
| Optical Connectors |
18
|
18
|
|
3.1.1.3.2
| Passive Optical Sub-systems |
9
|
9
|
|
3.1.1.3.3
| Other Sub-systems |
7
|
7
|
|
3.1.1.3.4
| Fixed Antenna Systems |
11
|
11
|
|
3.1.2.1
| Enclosures |
20
|
19
|
|
3.1.2.2
| Support Structures |
1
|
1
|
|
3.1.2.3
| Conduits |
4
|
4
|
|
3.2.1
| Manual Cross Connect Systems |
7
|
7
|
|
3.2.2.1.1
| Metallic Carrier Systems |
1
|
1
|
|
3.2.2.1.2.1
| Optical Transport Systems |
13
|
12
|
|
3.2.2.1.2.2
| WDM/DWDM/Optical Amplification |
11
|
11
|
|
3.2.2.1.2.3
| Reconfigurable Optical Add-Drop Multiplexer (ROADM) |
10
|
9
|
|
3.2.2.1.3
| Microwave |
3
|
3
|
|
3.2.2.2
| Loop Carrier |
2
|
2
|
|
3.2.4
| Digital Subscriber Line (DSL) |
4
|
4
|
|
3.2.5
| Fiber to the User |
13
|
13
|
|
3.2.6
| Video Transmission Equipment |
1
|
1
|
|
3.3.1
| Base Station Controller Equipment |
5
|
5
|
|
3.3.2.1
| Basic |
4
|
4
|
|
3.3.2.2
| Advanced |
10
|
10
|
|
3.3.2.3
| 4G |
7
|
7
|
|
3.3.2.4
| Small Cell Radios |
5
|
5
|
|
3.3.2.5
| Combined |
4
|
4
|
|
3.3.2.6
| 5G |
4
|
4
|
|
3.3.4
| WLAN Base Station Equipment |
4
|
4
|
|
3.4.2
| Lawful Intercept |
1
|
1
|
|
4.1
| Test Systems |
2
|
2
|
|
4.2.1.1
| Legacy On-line Critical |
7
|
7
|
|
4.2.1.2
| Network Orchestration |
3
|
3
|
|
4.2.2.1
| Legacy On-line Non-critical |
12
|
11
|
|
4.2.2.2
| Virtual Network Function Manager (VNFM) |
2
|
2
|
|
4.2.3
| Off-line |
2
|
2
|
|
4.3
| Ancillary Operations and Maintenance |
5
|
5
|
|
5.1
| Synchronization |
3
|
3
|
|
5.2
| General Purpose Computers |
9
|
8
|
|
5.3
| Power Systems |
19
|
18
|
|
5.4
| Data Storage Systems |
3
|
3
|
|
5.5
| Data Center / Central Office Cooling Equipment |
1
|
1
|
|
6.1
| Enhanced Services (Intelligent Peripherals) |
3
|
3
|
|
6.2.1.1
| Wireline Telephone Sets |
3
|
3
|
|
6.2.1.2.1
| Feature Phone |
3
|
3
|
|
6.2.1.2.2
| Smart Phone |
10
|
10
|
|
6.2.1.2.5
| Tablets |
3
|
3
|
|
6.2.2
| Cloud Terminal |
1
|
1
|
|
6.2.3.1
| Wired Modems |
3
|
3
|
|
6.2.3.2
| Wireless Modems |
8
|
8
|
|
6.2.4
| Digital Data Service Units |
3
|
3
|
|
6.2.5
| Passive Optical Network Termination Units |
13
|
13
|
|
6.2.6.1
| Set Top Box |
10
|
10
|
|
6.2.7
| CPE Router |
17
|
17
|
|
6.2.8
| Home Base Station |
3
|
3
|
|
6.4
| Private Branch Exchange (PBX) |
2
|
2
|
|
6.5
| Small Communications System (Key Telephone System) |
3
|
3
|
|
6.6
| Internet Security Devices |
8
|
8
|
|
6.7
| Sensors and Internet Enabled Devices |
3
|
3
|
|
7.1.1.1
| Physical Installation |
34
|
33
|
|
7.1.1.2
| Remote Installation |
5
|
5
|
|
7.1.2
| Provisioning |
7
|
7
|
|
7.2.1.1
| Fixed Network |
17
|
14
|
|
7.2.1.2
| Mobile Network |
12
|
8
|
|
7.2.2
| Software Development Services |
24
|
24
|
|
7.2.3
| Hardware Development Services |
8
|
8
|
|
7.2.4
| Telecom Network Integration |
21
|
20
|
|
7.2.5
| Metrology and Calibration |
1
|
1
|
|
7.3.1
| Network Maintenance |
28
|
26
|
|
7.3.2
| Network Operations Center |
10
|
7
|
|
7.3.3
| Network Performance Services |
2
|
2
|
|
7.4
| Repair Services |
39
|
35
|
|
7.5.1
| Technical Assistance and Customer Support Centers |
24
|
20
|
|
7.5.2
| End-Customer Support Services |
4
|
4
|
|
7.6.1
| Procurement Services |
22
|
22
|
|
7.6.2
| Sourcing/Purchasing Services |
1
|
1
|
|
7.7.1
| Small Assemblies |
12
|
12
|
|
7.7.2
| Printed Circuit Board Assembly |
23
|
19
|
|
7.7.3.1
| Metallic |
9
|
9
|
|
7.7.3.2
| Optical |
18
|
18
|
|
7.7.4
| Electromechanical Assembly |
83
|
77
|
|
7.7.5.1
| Logistical Services, Third Party |
20
|
20
|
|
7.7.5.2
| Logistical Services, Internal |
4
|
4
|
|
7.8.3
| Training |
4
|
3
|
|
7.9
| General Support Services |
5
|
5
|
|
8.1.2
| Integrated Circuits |
2
|
2
|
|
8.1.3
| Passive Components |
2
|
2
|
|
8.1.4
| Mechanical and Electromechanical |
5
|
5
|
|
8.1.5
| Printed Circuit Boards |
10
|
8
|
|
8.2.1
| Simple |
3
|
3
|
|
8.2.2
| Medium Complexity |
7
|
7
|
|
8.2.3
| High Complexity |
12
|
12
|
|
8.2.4
| Very High Complexity |
4
|
4
|
|
8.3
| Cable Assemblies |
22
|
22
|
|
8.4
| Electromechanical Assemblies |
12
|
12
|
|
8.5.1.1
| Optical Fiber |
21
|
20
|
|
8.5.1.2
| Optical Glass |
2
|
2
|
|
8.5.2.1
| Optoelectronic Devices |
17
|
17
|
|
8.5.2.2
| Passive Optical Devices |
22
|
22
|
|
8.5.2.3
| Optical Subassemblies |
45
|
45
|
|
8.6
| Software Components and Tools |
5
|
5
|
|
9.1
| Voice |
2
|
2
|
|
9.2
| Wireless |
3
|
3
|
|
9.3
| Transport Networks |
3
|
3
|
|
9.4
| Private Networks |
8
|
8
|
|
9.5
| Internet Access |
9
|
9
|
|
9.6
| e-Business and Content Hosting |
5
|
5
|
|
9.7.2
| Wholesale |
1
|
1
|
|
9.9
| Emergency Service Network |
1
|
1
|