[asterisk-bugs] [JIRA] (ASTERISK-23660) Add priority escalation to queues

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-23660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=217611#comment-217611 ] 

Rusty Newton commented on ASTERISK-23660:
-----------------------------------------

Hi Brett, I don't see that you have posted a patch on any of your issues yet. Let me know if you are running into any issues.

The [Code Revew|https://wiki.asterisk.org/wiki/display/AST/Code+Review] wiki page should cover just about everything you need to know for the code review process, including signing the license agreement that will allow you to post your patches onto this issue tracker.

> Add priority escalation to queues
> ---------------------------------
>
>                 Key: ASTERISK-23660
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23660
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Applications/app_queue
>    Affects Versions: Feature Tracker
>            Reporter: Brett Sutton
>
> We have a patch which implements priority escalation on a queue.
> Basically when a call is placed in a queue at priority 'x' its priority is automatically incremented to an upper 'limit'
> The 'interval', 'increment' and limit' are configurable.
> The aim of priority escalation is to ensure that low priorities are eventually answered even if there is a steady flow of high priority calls entering the queue.
> Over time low priority calls' priority will be escalated to the 'limit' value which would normally place them on the same priority as the high priority calls. When two calls at the same priority are being considered the call with the longest duration is answered first (as it does with the existing queueing algorithm).
> The 'limit' value also allows you to enter 'extreme' high priority calls at a value above the limit. These calls will always be answered first as the lower priority calls can never be escalate above the limit.
> This patch works well with our patch for Global Priorities ASTERISK-23661



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