fragmentation

Voice or

Data Terminals

Edge

Tandem

Edge

Office

Office

Office

2-Wire

4-Wire

4-Wire

Switch

Switch

Switch

Access Line

Access Trunk

4-Wire

2-Wire

4-Wire

PBX or Router

• Ethernet-based passive optical network (EPON)
• ethics
• ETNO
• ETNO (European Telecommunications Network Operators’ Association)
• ETSI
• ETSI (European Telecommunications Standards Institute)
• etymology
• EUCL (End User Common Line Charge)
• euphemism
• European Computer Manufacturers Association (ECMA)
• European Conference of Postal and Telecommunications Administrations (Conférence
• European Radio Message System (ERMES)
• European Telecommunications Network Operators’ Association (ETNO)
• European Telecommunications Standards Institute (ETSI)
• Européenne des administrations des Postes et des Télécommunications or CEPT)
• EV-DO (EVolution-Data Optimized)
• EV (EVolution-Data Optimized)
• Evolution-Data Optimized (EV-DO or EV)
• EVRC (Enhanced Variable Rate Vocoder)
• Excess Burst Size (B )
• Excess Information Rate (EIR)
• exchange
• exchange
• exchange
• Exchange Carriers Standards Association (ECSA)