(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.
The figure above is the architecture of a BizTalk Server messaging subsystem. As you will notice, this figure is same as the previous figure except for the labeling. Here, instead of packages moving, we have XML messages that are moving.daptors are the BizTalk way of handling additional transport. Just like you can have a private plane fly your package in, you can write your own adaptor for a custom transport, like say POP3. So there is always scope for buying or writing your own custom adaptor to integrate with all the other available transports.