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Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network. Users and providers may refer to such a message as a PXT , a picture message , or a multimedia message . [ 1 ]
The MMS default port is UDP/TCP 1755. [1] Microsoft deprecated MMS in favor of RTSP (TCP/UDP port 554) in 2003 with the release of the Windows Media Services 9 Series, but continued to support the MMS for some time in the interest of backward compatibility. Support for the protocol was finally dropped in Windows Media Services 2008. [2]
The standard consists of a number of interfaces between components found in the mobile network: MM1: the interface between MMS User Agent and MMS Center (MMSC, the combination of the MMS Relay & Server). Delivered as HTTP over a packet switched data session. MM2: the interface between MMS Relay and MMS Server.
Its development has also been supported by mobile network operators to regain their influence against individual OTT (over-the-top) chat apps and services. [4] Additional features of RCS include presence information , location and multimedia sharing, video calling , and operation over mobile data or Wi-Fi , natively integrated in mobile phones ...
The IP multimedia core network subsystem is a collection of different functions, linked by standardized interfaces, which grouped form one IMS administrative network. [7] A function is not a node (hardware box): An implementer is free to combine two functions in one node, or to split a single function into two or more nodes.
When you get a message from a "MAILER-DAEMON" or a "Mail Delivery Subsystem" with a subject similar to "Failed Delivery," this means that an email you sent was undeliverable and has been bounced back to you.
In most cases, SMS and MMS are eventually routed to a mobile phone through a wireless carrier. SMS gateways are commonly used as a method for person-to-person to device-to-person (also known as application-to-person) communications. Many SMS gateways support content and media conversions from email, push, voice, and other formats.
GSM was designed for voice, not data. It did not provide direct access to the Internet and it had a limited capacity of 9600 bauds per second. [19] The limitations of Circuit Switched Data (CSD) also included higher costs. GPRS opened in 2000 [20] as a packet-switched data service embedded in the channel-switched cellular radio network GSM ...