Methods and apparatus for communication of notifications

An apparatus for conveying system state information to one or more wireless devices, comprising:

• means for sending, in a primary flow, a primary message comprising data indicating notification status information;
• and
• means for sending, in a notification flow, one or more notification messages separate from the primary message, each of the one or more notification messages addressed to at least one of the one or more wireless devices;
• wherein the one or more notification messages comprise at least first address information corresponding to a respective address class and second address information corresponding to a particular group of wireless devices within the respective address class.

A computer readable storage medium encoded with a computer program, the program comprising instructions that when executed by data processing apparatus cause the data processing apparatus to perform operations, comprising:

• sending, in a primary flow, a primary message comprising data indicating notification status information;
• and
• sending, in a notification flow, one or more notification messages separate from the primary message, each of the one or more notification messages addressed to at least one of one or more wireless devices;
• wherein the one or more notification messages comprise at least first address information corresponding to a respective address class and second address information corresponding to a particular group of wireless devices within the respective address class.

A server processor apparatus for conveying system state information to one or more wireless devices, comprising:

• a first hardware module for sending, in a primary flow, a first primary message comprising data indicating notification status information;
• and
• a second hardware module for sending, in a primary flow, one or more notification messages separate from the primary message, each of the one or more notification messages addressed to at least one of the one or more wireless devices;
• wherein the one or more notification messages comprise at least first address information corresponding to a respective address class and second address information corresponding to a particular group of wireless devices within the respective address class.