asterisk users - Nov 2005 - All agent calls going to powered down agent extension?

Hi,

Not sure if this is by design or my error... Several agents are logged in. One
of the phones was turned off without the agent logging off first. After the
phone was powered down all calls routed to the powered off agent and no other
phones rang. Is there a way to turn this behavior off. (I want the other agents
to still ring when an agent is not logged off and powered down). We have have
the Queue set to ringall.

****************
queues.conf

[general]

;Operator Home
[extensions-home]
music=default
strategy=ringall
maxlen=0
context=extensions-home
member => Agent/300
member => Agent/301
member => Agent/310
member => Agent/311
member => Agent/312
member => Agent/313
member => Agent/314
member => Agent/499
member => Agent/500
member => Agent/510
member => Agent/511
member => Agent/512

******************
agents.conf

[agents]
wrapuptime=0
musiconhold => default
updatecdr=yes
recordagentcalls=no

;Operator - Home
group=1
agent => 300,300,name1
agent => 301,301,name2

agent => 310,310,name3
agent => 311,311,name4
agent => 312,312,name5
agent => 313,313,name6
agent => 314,314,name7

agent => 399,399,Test

agent => 499,499,name8
....

**************************

Thanks