What is the difference between a PSTN gateway and media gateway?

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A PSTN gateway works only with the old POTS (Plain Old Telephone Service) networks, while a media gateway can handle 3G services, and other types of services in addition to PSTN.

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gateway A gateway is a network node used in telecommunications that connects two networks with different transmission protocols together.

API gateway An API gateway is programming that sits in front of an application programming interface (API) and acts as a single point of entry for a defined group of microservices.

payment gateway A payment gateway is a service that authorizes a user’s transfer of funds between financial institutions to sellers without direct delivery of either bank or credit card account information.

Voice gateways provide powerful connectivity options Voice gateways connect VoIP networks to telecom providers and analog phones, while also providing backup call support. But these sensitive devices need proper security.

NAS gateway A NAS gateway is a NAS (network-attached storage) system in which the storage media are externally attached, typically over a Fibre Channel interface. The external storage might be connected by means of a SAN (storage area network), or it might comprise a stand-alone box shared among multiple servers.

SAP Gateway SAP Gateway is an open standards-based framework that developers can use to more easily connect non-SAP applications to SAP applications.

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