[asterisk-users] 911, channel full

[Steve Howes]

On 3 Mar 2010, at 17:21, mir shahnawaz wrote:
> [nineoneone]
> exten => s,1,Set(SET_EMERG_FLAG=0)
> exten => s,n(checkavail),ChanIsAvail(${EMERGENCY_TRUNK})
> exten => s,n,Set(EMERGENCY=1,g)
> exten => s,n,Set(SET_EMERG_FLAG=1)
> exten => s,n(dial),Dial(${EMERGENCY_TRUNK}/${EMERGENCY_NUM})
> exten => s,s+2(trunkbusy),GotoIf($[${EMERGENCY}=1]?inprogress)
> exten => s,n,SoftHangup(${EMERGENCY_TRUNK}-1)
> exten => s,n,Wait(12)
> exten => s,n,Goto(checkavail)
> exten => s,s+2(inprogress),Congestion
> exten => s,checkavail+101(notavail),Goto(trunkbusy)
> exten => h,1,GotoIf($["${SET_EMERG_FLAG}"="1"]?3)
> exten => h,3,Set(EMERGENCY=0,g)
>
> If all lines connecting to PSTN are busy. I get busy tone upon dialing
> 911 and following message is generated by CLI.
>
> app_dial.c:1547 dial_exec_full: Unable to create channel of type
> 'DAHDI' (cause 34 - Circuit/channel congestion)

Can you tell us the other lines too? i.e. the bit where it attempts to  
actually do the hangup..

S