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Priority Operation for MTELpage
1.1 FocusThis instruction describes the Priority in MTELPage operates when sending messages to the MDS. This instruction applies to MTELPage versions V3.50 (347) and above and PDEC versions V4.2 (102) and above. The MTELPage to MDS paging was designed to throttle high volume low priority messages. Priority messages override any throttle process and are delivered to the MDS Switch. Default levels of service are; 10 seconds per low priority message. 1 second per message for high priority messages. Messages older than a high priority message will be delivered immediately at 1 per second. The level of high priority is initially 10000 The level of low priority is initially 0. The level of any low priority is increased by a default value of 10 every second. Initial Priority is assigned to the Client on a permanent basis through the contacts database. No message older than the Expiry limit (default is 30 minutes) is sent to the MDS. It is deleted from the queue. Messages with priority 10000 and above are delivered as high priority by the PagerDEC at one per second.
1.2 MTELPage to MDS Priority OperationMTELPage has two levels of Priority. These are preselected in the contacts database in the field "Activation". This field was originally intended to show a small visual indication that the user is a turn out or primary activation member in the list of all possible clients.
The diagram to the left indicates typical clients where the red box to the left is an indication that this is a primary turnout client. In the new MTELPage to MDS application the Activation field is actually used to set a priority level of 10000 when sending a message via PagerDEC. Normal messages and mobile messages are assigned a priority of 0 when sent to PagerDEC. The effect of increasing the priority level is the message will be selected for delivery by PagerDEC if there are no other messages with a higher priority in the PagerDEC queue. The older a message the higher is its priority. The MDS can only send a single message every second. Priority messages are sent once a second to the Switch. Messages with a lower priority will remain in the PagerDEC queue until the priority level is the greatest. These messages are delivered every 10 seconds. There is a master override on all messages in the queue. This is the expiry timer and is a global set in the PagerDEC. |
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