PABX文档格式PDF 系统标签: briefingpabxtenderindustrylarkinrprh DOH7209IndustryBriefing Supply,Installation,CommissioningandMaintenanceof IPCapablePBXTelephoneSystemsfortheMetropolitan Area PresentedbyHealthInformationNetwork 30March2009 Today’sAgenda •ProjectOverviewandBackgroundRichardLarkin •ProjectSchedules(excl...
Asterisk IP-PBX– An open source communications platform based on IP (Internet Protocol) PBX (Private branch exchange) as a business telephone system. Asterisk ISDN– Asterisk compatible Integrated Services Digital Network (ISDN). This telephone system network integrates speech and data on the same l...
the public broadband network (VBN) are also connected in the same way as normal telephone subscribers to a narrowband telephone PABX (SB-PABX), which is connected via a signalling adapter module (VBNA) to the user connection device, initiates the connection set-up from the narrowband system ...