Types Telecommunications Services
Circuit Switched
- Analog Voice Channels
- ISDN
Leased Channel
- T-Carrier (T-1)
- SONET (OC-1)
Packet Switched
- Frame Relay
- X.25
- IP
Billing Overview
Measured Use Billing
Mileage Billing
Packet Network Billing
Internet Billing
Wireless Billing
Reading Telephone Bills
POTS Bill
Leased Line Bill
Bill Sections
Bill Terminology
Local Vs. Long Distance Billing
Reading Wireless Bills
Wireless Plans
Identifying Phones
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Pooled Minutes
Matching Use to Minutes
Verifying Services
Identifying Circuits
- Dial-Up
- Leased Channel
Checking Telephone Numbers
Checking Telephone Service
Verifying Leased Line Services
Technologies and Services That Reduce Costs
Voice over IP (VoIP)
- Benefits
- Limitations
- Simple Services
- PBX Based VoIP
- Quality of Service (QoS)
Frame Relay
Competitive Local Exchange Carriers
Wireless
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