serviceproviders.2.dtd: Add support for MMS size
Fixes #16 (closed)
Carriers can enforce a maximum MMS size for an individual MMS. Since we keep track of other MMS parameters, that should be taken care of here.
Fixes #16 (closed)
Carriers can enforce a maximum MMS size for an individual MMS. Since we keep track of other MMS parameters, that should be taken care of here.