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Multimedia Messaging Service (commonly abbreviated MMS) is the is a standard for telephone messaging systems that allows sending messages that include multimedia objects (images, audio, video, rich text) and not just text as in Short Message Service (SMS). It is mainly deployed in cellular networks along with other messaging systems like SMS, Mobile Instant Messaging (IM) and Mobile E-mail. Its main standardization effort is done by 3GPP, 3GPP2 and Open Mobile Alliance (OMA).[1]




MMS Switching Centre (MMSC) is the name of a complete MMS Gateway which provides switching between SMS/MMS message types and possibly conversion to/from Email messages into MMS.

MMS Client

Device through which the user sends/receives multimedia messages (i.e. mobile phone or PC-based MMS client). The Client sends messages to and receives messages from the MMSC using WAP/HTTP at the transport layer.

MMS Gateway

Switches messages between different MMS clients and between MMS and Email. The Gateway may also interface with other gateways to exchange messages destined for foreign networks. This is also more properly known as the MMSC.

MMS Server

This component provides persistent storage of messages on the network. Typically users can access stored messages via a web interface. Other MMS Systems:Other systems, such as 3rd Party MMS systems (e.g. MMS VAS providers) can interface to the MMSC to receive and send MMS content. The Interface used is termed MM7, as in the seventh layer of the MMS architecture.[2]


The MMSC utilizes WAP Push to send notifications to MMS clients. These are typically sent using SMS as the bearer service, hence the need for a link to a Short Message Service Centre (SMSC).


MMS Decoder

MMS Uploader

MMS-to-Email Gateway



External Links


  1. wikipedia:Multimedia Messaging Service
  2. wikipedia: MMS Architecture
  3. aql SMS/MMS account:

See Also

SMS | Multimedia