Telecom Equipment

Telecom Equipment
In this module, we review the different types of telecom equipment, beginning with the essentials of the broadband telecom network: Ethernet switches and IP/MPLS routers, comparing costs and capabilities.

Then, we’ll review the different types of customer premise equipment for broadband.

To explain soft switches, call managers and SIP servers, we’ll begin with legacy CO switches and PBXs to see the fundamental differences.

Gateways and how they convert packets to channels completes the chapter.

Telecom Module 10
Detailed Outline

10 Telecom Equipment
10.1 Broadband Network Equipment: Routers and Ethernet Switches
...... 10.1.1 Carrier-Grade Core Routers
...... 10.1.2 Carrier-Grade Ethernet Aggregation Switches
...... 10.1.3 Enterprise Core Router
...... 10.1.4 Enterprise Ethernet Switch
...... 10.1.5 Enterprise Small Office Edge Router
...... 10.1.6 Home / Small Business Edge Router with Wi-Fi
10.2 Broadband Customer Premise Equipment
...... 10.2.1 Fiber Terminal
...... 10.2.2 POTS Terminal
...... 10.2.3 Cable and DSL Modems
...... 10.2.4 Wireless Terminals
10.3 Call Managers, SIP, Soft Switches, Hosted PBX and IP Centrex
...... 10.3.1 Hard Switches
...... 10.3.2 Soft Switches
...... 10.3.3 SIP
...... 10.3.4 Additional Functions
...... 10.3.5 Location Independence
...... 10.3.6 Customer Premise Softswitch
...... 10.3.7 IP Centrex
...... 10.3.8 Hosted PBX
...... 10.3.9 Cloud-Based Softswitch as a Service
10.4 Telephone Circuit Switches
...... 10.4.1 Circuit Switching
...... 10.4.2 CO Switches
...... 10.4.3 Line Cards
...... 10.4.4 Digital Switching
10.5 Traditional PBX and Centrex
...... 10.5.1 PBX
...... 10.5.2 PBX Trunks
...... 10.5.3 Digital Telephones: Electronic Business Sets
...... 10.5.4 PBX and PABX
...... 10.5.5 Attendant
...... 10.5.6 Automated Attendant
...... 10.5.7 IVR
...... 10.5.8 Direct Inward Dialing (DID)
...... 10.5.9 Automated Call Distribution (ACD)
...... 10.5.10 Call Centers
...... 10.5.11 Advantages of PBX
...... 10.5.12 Disadvantages of PBX
...... 10.5.13 Centrex
...... 10.5.14 Advantages of Centrex
...... 10.5.15 Disadvantages of Centrex
...... 10.5.16 Key Systems
10.6 Gateways
...... 10.6.1 Media Conversion
...... 10.6.2 Signaling Conversion