LEADER 04897nam  2200649Ia 450 
001 9910456658403321
005 20200520144314.0
010   $a1-282-24538-4
010   $a1-84719-681-0
035   $a(CKB)2430000000040713
035   $a(EBL)956352
035   $a(OCoLC)712628887
035   $a(SSID)ssj0000404150
035   $a(PQKBManifestationID)11260681
035   $a(PQKBTitleCode)TC0000404150
035   $a(PQKBWorkID)10344647
035   $a(PQKB)10144381
035   $a(MiAaPQ)EBC956352
035   $a(PPN)228038022
035   $a(Au-PeEL)EBL956352
035   $a(CaPaEBR)ebr10433569
035   $a(CaONFJC)MIL224538
035   $a(EXLCZ)992430000000040713
100   $a20091012d2009      uy             0
101 0 $aeng
135   $aur|n|---|||||
181   $ctxt
182   $cc
183   $acr
200 10$aBuilding enterprise ready telephony systems with sipXecs 4.0$b[electronic resource] $eleveraging open source VoIP for a rock-solid communications system /$fMichael W. Picher
210   $aBirmingham, U.K. $cPackt Publishing$d2009
215   $a1 online resource (445 p.)
225 1 $aFrom technologies to solutions
300   $aIncludes index.
311   $a1-84719-680-2 
327   $aBuilding Enterprise-Ready Telephony Systems with sipXecs 4.0; Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Credits; About the Author; About the Reviewer; Preface; What this book covers; What you need for this book; Who this book is for; Conventions; Reader feedback; Customer support; Errata; Piracy; Questions; 1. Introduction to Telephony Concepts and sipXecs; Traditional phone system concepts; Telecommunications provider interface; Telephones on a traditional phone system; Voicemail systems; Call routing logic; Calling functions and features; Call hold; Call park orbits
327   $aCall pickupCall transfer; Call forwarding; Speed dial; Direct Station Selection/Busy Lamp Field; Hunt groups; Automatic Call Distribution; Dial plans; Intercom; Paging; Conferencing; sipX Enterprise Communications System overview; The iPBX; Gateways; Telephones; sipXecs features; Voicemail; Auto Attendant; Music on Hold; Call park orbits; Page groups; Intercom; Conference server; Automatic call distribution; Device management; User management; User self-service portal; Time-based call forwarding; Localization; Internet calling and NAT traversal; Call detail records; Clustering; Summary
327   $a2. System Planning and Equipment SelectionSystem planning; Information gathering; Existing telecommunications connectivity; Demarcation point; Existing users and phones; Existing call flow; Day call flow example; Night call flow example; Departmental call flow example; Existing auto attendants; Existing hunt groups; Existing ACD queues; Special considerations; Paging; Cordless phones; Existing computer network; Equipment selection; Network equipment; Network switch connectivity; Quality of service; Virtual Local Area Network support; Powering the phones; Gigabit switches
327   $aUtilizing existing network equipmentServers; Gateways; Analog gateways; Digital gateways; Phones; Hard phones; Softphones; Wireless phones; SIP firewalls; Uninterruptable power supplies; Plan the installation; Extension planning; Users and phones; Define permissions for user groups; Call flow; Auto attendants; Hunt groups; ACD queues; Network planning; Physical network; Virtual network; Site preparations; Document additional network information; Summary; 3. Installing sipXecs; Complete cabling requirements; Complete network requirements; Installing sipXecs; High availability installation
327   $aInstall and configure the distributed serverVerify DNS and DHCP operation; Single PBX testing; High availability PBX testing; Summary; 4. Configuring Users; Creating users; Extension pool; Internal extension length; Adding a user; Importing users; User groups; Advanced user configuration; Phantom users; Voicemail-only mailbox; Call routing phantom; Call routing phantom example; Summary; 5. Configuring Phones in sipXecs; Types of phones; Managed phones; Unmanaged phones; Phone groups; Phone firmware; Advanced phone configuration; Multiple lines on a phone; Multiple phones for a user
327   $aMultiple line appearances on a phone
330   $aLeveraging open source VOIP for a rock-solid communications system
410  0$aFrom technologies to solutions.
606   $aInternet telephony
606   $aTelephone systems
608   $aElectronic books.
615  0$aInternet telephony.
615  0$aTelephone systems.
676   $a004.695
700   $aPicher$b Michael W$0898165
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910456658403321
996   $aBuilding enterprise ready telephony systems with sipXecs 4.0$92006789
997   $aUNINA