OT: FXO card disconnect problems

From: Vishal Patel (vpatel@accessproviders.com.au)
Date: Sat Jun 24 2006 - 03:03:23 ART


Hi ,
 
I have a setup where 4 PSTN lines are connected to a 4 port FXO card on
2800.
 
And when one of this tel. no rings , one of the mapped SIP client rings and
the user answers the call using SIP client and I have used "PLAR" to get
this working.
 
Now the problem is :
 
If someone calls on the PSTN number and nobody answers the SIP client ,
then the FXO port remains up for next approximately 2 minutes and others
can't call this number again , because cisco tells it is busy.
 
After reading thru the cisco website it seems to be an known so, I have
tried couple of things like
 
Supervisory Disconnect Methods
 
 
But still no gud.
 
I ran some debugs for "debug vpm signal"
 
And cud see that something called
 
 "htsp_timer - 120000 msec htsp_alert_notify"
 
I feel , if i reduce this timer from 120 seconds to less , then I will
acheive my goal , but Iam not sure how to do this.
 
 
Please help.
 
Thanks
 
Vishal



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