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White Paper T310/T312
13 January 2003
Architecture
The MMS Centre (MMS-C) is comprised of the
MMS Server, the MMS Proxy-Relay and the MMS
Store. The MMS Centre is the central element of
the MMS network architecture, providing storage
and operational support, enabling instant delivery
of multimedia messages from terminal-to-terminal
and terminal-to-e-mail, and supporting flexible
addressing. The centre’s MMS Proxy-Relay
interacts with the application being run on the
MMS-enabled terminal to provide various
messaging services. WAP is used as bearer of an
MMS message between the MMS-C and the MMS
client (application). The WAP Gateway is used for
delivery and retrieval of messages.
Message conversion
The MMS-C is able to perform limited message
conversion - for example, from MMS to SMS - so
that processing and air time is not wasted in
sending messages to mobile terminals that do not
have adequate capability to receive them. It also
handles service aspects such as store and forward,
guaranteed delivery, subscriber preferences,
operator constraints, and billing information. The
MMS-C also vouches for high quality messaging,
e.g. by format conversion. This means that the
MMS-C recognizes which formats are supported in
the mobile phone, and adapts the MMS messages
to these formats.
OTA configuration
Users can easily get MMS into their phone. MMS
supports OTA, meaning that the user does not have
to configure the settings manually.
The configuration is done by the operator.
Figure 3. The architecture of MMS