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Centrex or PBX [electronic resource] : the impact of IP / John R. Abrahams, Mauro Lollo.

By: Abrahams, John R.
Contributor(s): Lollo, Mauro.
Material type: TextTextSeries: Artech House telecommunications library: Publisher: Boston : Artech House, c2003Description: 1 online resource (xvi, 161 p.) : ill.ISBN: 1580536220 (electronic bk.); 9781580536226 (electronic bk.); 9781580534970 (alk. paper); 158053497X (alk. paper).Subject(s): Internet telephony | Centrex telephone service | TECHNOLOGY & ENGINEERING -- Telecommunications | Electronic books | Electronic booksGenre/Form: Electronic books.Additional physical formats: Print version:: Centrex or PBX.DDC classification: 621.382/12 Online resources: EBSCOhost
Contents:
Virtual PBX Service -- Integration with On-Premise Switches -- Multiple Centrex Systems -- Investment in Centrex Software -- Development of Internet Protocol Centrex -- Blurring the Boundaries -- Internet Protocol Centrex -- Interactive Communications over Internet Protocol -- Layer 3 and 4 Protocols -- IP Telephony -- Interface Standards -- IP Centrex Configurations -- Hybrid IP-Centrex Service -- Trends to Full IP-Centrex -- Softswitch Characteristics -- Network Considerations for IP-Centrex -- Requirements for VoIP -- LAN Requirements -- WAN Requirements -- Deployment Strategies for IP-Centrex -- IP-Centrex Systems and Applications -- IP-Centrex Systems -- Alcatel -- Ericsson -- Lucent Technologies -- Nortel Networks -- Siemens ICN -- Cisco Systems -- Sylantro Systems -- Tacqua Systems -- Features and Applications -- Telephone Sets and Consoles -- Examples of IP Phones -- Attendant Consoles -- Wireless Capabilities -- Unified Messaging -- Speech-Enabled Call Routing -- Contact Center Applications -- Managed Networks -- LAN Considerations -- WAN Requirements -- Local Access Facilities -- Broadband Availability -- DSL Services -- Cable Modems -- Next Generation Wireless Services -- Extended Ethernet -- Summary of IP-Centrex Systems and Networks -- IP-PBX Systems and Applications -- Architectures for IP-PBX Systems -- Current IP-PBX Systems -- Alcatel -- Avaya -- Cisco Systems -- Verizon -- C & W -- Mitel Networks -- NEC -- Nortel Networks -- Siemens -- 3COM -- Advantages of IP-PBXs.
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Includes index.

Virtual PBX Service -- Integration with On-Premise Switches -- Multiple Centrex Systems -- Investment in Centrex Software -- Development of Internet Protocol Centrex -- Blurring the Boundaries -- Internet Protocol Centrex -- Interactive Communications over Internet Protocol -- Layer 3 and 4 Protocols -- IP Telephony -- Interface Standards -- IP Centrex Configurations -- Hybrid IP-Centrex Service -- Trends to Full IP-Centrex -- Softswitch Characteristics -- Network Considerations for IP-Centrex -- Requirements for VoIP -- LAN Requirements -- WAN Requirements -- Deployment Strategies for IP-Centrex -- IP-Centrex Systems and Applications -- IP-Centrex Systems -- Alcatel -- Ericsson -- Lucent Technologies -- Nortel Networks -- Siemens ICN -- Cisco Systems -- Sylantro Systems -- Tacqua Systems -- Features and Applications -- Telephone Sets and Consoles -- Examples of IP Phones -- Attendant Consoles -- Wireless Capabilities -- Unified Messaging -- Speech-Enabled Call Routing -- Contact Center Applications -- Managed Networks -- LAN Considerations -- WAN Requirements -- Local Access Facilities -- Broadband Availability -- DSL Services -- Cable Modems -- Next Generation Wireless Services -- Extended Ethernet -- Summary of IP-Centrex Systems and Networks -- IP-PBX Systems and Applications -- Architectures for IP-PBX Systems -- Current IP-PBX Systems -- Alcatel -- Avaya -- Cisco Systems -- Verizon -- C & W -- Mitel Networks -- NEC -- Nortel Networks -- Siemens -- 3COM -- Advantages of IP-PBXs.

Description based on print version record.

Includes bibliographical references and index.

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Centrex or PBX by Abrahams, John R. ©2003
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