Telecom Services Overview

Telecom Services Overview

No foundation in telecom would be complete without understanding where the money is: services with the Holy Grail of recurring billing.


We’ll organize services into Residential, Business and Wholesale, and identify today’s standard choices and offerings in each area.


We’ll cover

 • For residences: Broadband Internet plus Internet VoIP with PSTN phone number, and streaming video;

 • In the business category: VPNs, SD-WAN, SIP trunking, PRI and Centrex; and

 • Wholesale services: dark fiber, wavelengths, Carrier Ethernet and IP transit

The module is completed with Content Delivery Networks.


Telecom Module 5

Detailed Outline

5 Telecom Services Overview

5.1 Residential Services

..... 5.1.1  Broadband Internet

..... 5.1.2  Convergence Achieved

..... 5.1.3  PSTN Phone Numbers

..... 5.1.4  VoIP Service Providers - Internet to PSTN Service

..... 5.1.5  Basic Cable, Streaming, Rentals

..... 5.1.6  Dedicated Capacity for TV vsInternet Traffic

5.2 Business “Data” Services

..... 5.2.1  Internet

..... 5.2.2  Private Network: Dedicated Lines

..... 5.2.3  Virtual Private Network

..... 5.2.4  MPLS VPNs

..... 5.2.5  SD-WAN

..... 5.2.6  Web Services

5.3 Business Voice Services

..... 5.3.1  SIP Trunking: VoIP Between Locations & Dial-Out

..... 5.3.2  Connecting VoIP to Ma Bell

..... 5.3.3  SIP Trunking: Lower Cost than PBX Trunks

..... 5.3.4  Centrex

..... 5.3.5  Private Branch Exchange & PBX Trunks

..... 5.3.6  ISDN PRI

..... 5.3.7  Tie Lines and Voice VPNs

5.4 Wholesale Services

..... 5.4.1  Facilities-Based Carriers

..... 5.4.2  Value-Adding Resellers

..... 5.4.3  Services: Dark Fiber

..... 5.4.4  Wavelengths

..... 5.4.5  Carrier Ethernet

..... 5.4.6  IP Services

..... 5.4.7  Internet Transit

..... 5.4.8  Internet Peering

..... 5.4.9  Bit Rates

5.5 Content Delivery Networks

..... 5.5.1  Paying Transit for Data Center to Consumer

..... 5.5.2  Cutting Out the Middlemen

..... 5.5.3  Implementing a Content Delivery Network