NDLI: Integration of Open Source and Enterprise IP PBXs

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Integration of Open Source and Enterprise IP PBXs

Content Provider	CiteSeerX
Author	Chava, Krishna Sumanth
Abstract	Abstract- Over the last few years, Voice over Internet Protocol (VoIP) evolved from enabling voice communications between computer terminals to providing much wider functionality of the Public Switched Telephony Network (PSTN). The idea of deploying VoIP in Private Branch eXchanges (PBXs) is gaining credence among service providers, and this paper addresses some of the design issues related to an IP PBX implementation. Specifically, the paper explores the interoperability between Cisco Call Manager (CCM) and Linux-based Asterisk PBXs corresponding to the enterprise-class and Open Source IP PBXs, respectively. The architecture of the networking testbed is documented for running various VoIP protocols between multi-vendor devices and IP PBXs. The results presented can be broadly defined into three areas of investigation: (i) the use of Session Initiation Protocol (SIP) and Inter Asterisk eXchange (IAX) trunks to integrate CCM to Asterisk PBXs and Asterisk to Asterisk PBXs, respectively; (ii) examining interoperability between the CCM and Asterisk PBX with advanced features like Call Display, Voicemail, Call Detail Records (CDR) and Voicemail to e-mail transfer; and (iii) testing the resilience of voice quality against packet loss and delay in the Open Source
File Format	PDF
Access Restriction	Open
Subject Keyword	Open Source Enterprise Ip Pbxs Asterisk Pbxs Ip Pbx Implementation Inter Asterisk Exchange Asterisk Pbx E-mail Transfer Computer Terminal Call Detail Record Networking Testbed Service Provider Design Issue Private Branch Voice Quality Voice Communication Public Switched Telephony Network Linux-based Asterisk Pbxs Advanced Feature Open Source Ip Pbxs Multi-vendor Device Various Voip Protocol Call Display Cisco Call Manager Ip Pbxs Packet Loss Session Initiation Protocol
Content Type	Text
Resource Type	Article

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