(December 2007) The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication.
Learn more. Azure BizTalk Services is a simple, powerful, and extensible cloud-based integration service that provides Business-to-Business (B2B) and Enterprise Application Integration (EAI) capabilities for delivering cloud and hybrid integration solutions.hen you provision a BizTalk Service, you pay for the dedicated service, hosted and managed by Microsoft. The cost of the Access Control Namespace, Azure SQL Database, and the Azure Storage account are not included in the cost of the BizTalk Service. As a result, you must pay for these additional requirements.
ZigBee is a wireless networking standard that is aimed at remote control and sensor applications which is suitable for operation in harsh radio environments and in isolated locations.ZigBee technology builds on IEEE standard 802.15.4 which defines the physical and MAC layers.Above this, ZigBee defines the application and security layer specifications enabling interoperability between products from different manufacturers. In this way ZigBee is a superset of the 802.15.4 specification.With the applications for remote wireless sensing and control growing rapidly it is estimated that the market size could reach hundreds of millions of dollars as early as 2007.igBee technology builds on IEEE standard 802.15.4 which defines the physical and MAC layers. Above this, ZigBee defines the application and security layer specifications enabling interoperability between products from different manufacturers.