Something

pbx*CLI> show version
Asterisk 1.2.14 built by kk @ nyx on a x86_64 running Linux on 2007-01-15 11:08:58 UTC
pbx*CLI> show application addqueuemember
pbx*CLI>
  -= Info about application 'AddQueueMember' =-

[Synopsis]
Dynamically adds queue members

[Description]
   AddQueueMember(queuename[|interface[|penalty[|options]]]):
Dynamically adds interface to an existing queue.
If the interface is already in the queue and there exists an n+101 priority
then it will then jump to this priority.  Otherwise it will return an error
The option string may contain zero or more of the following characters:
       'j' -- jump to +101 priority when appropriate.
  This application sets the following channel variable upon completion:
     AQMSTATUS    The status of the attempt to add a queue member as a
                     text string, one of
           ADDED | MEMBERALREADY | NOSUCHQUEUE
Example: AddQueueMember(techsupport|SIP/3000)