[Asterisk-Users] FW: TDM400P and some problems

[Eric Wieling]

Mike Coakley wrote:
> Hello All,
> 
> I originally send this message a little while ago. I realize that if anyone
> had any input they would have commented but maybe... Just maybe someone that
> could have commented missed it so I am resending it.
> 
> I also figured (since I forgot it the first time) the version of Asterisk I
> am running (I'm such a dope sometimes).
> 
> Asterisk CVS-HEAD-10/15/04-15:45:16
> 
> Thanks,
> 
> Mike
> 
> ------ Forwarded Message
> From: Mike Coakley <mcoakley at ioumail.com>
> Date: Thu, 04 Nov 2004 19:16:27 -0500
> To: "Asterisk Users Mailing List - Non-Commercial Discussion
> <asterisk-users at lists.digium.com>" <asterisk-users at lists.digium.com>
> Subject: TDM400P and some problems
> 
> Hello all,
> 
> I have 2 TDM400P in a P4 2.4Ghz system with 512MB ram. The motherboard is a
> Intel D865GBF with the latest firmware/BIOS. I have 4 FXO modules on each of
> the TDM400P cards. Also in the system is a Promise FastTrax 100TX2 Pro card
> for IDE RAID 1. There are no other PCI cards in the system. The D865GBF MB
> only really has a single PCI bust but and card on one of the six slots can
> be a bustmaster card. So far Digium has been not very diagnostically helpful
> and has sent me new cards to try to correct the problems, but the new cards
> didn't help in any way.
> 
> We are using 5 channels of the available 8. We are using Pingtel SIP phones
> and Budgetone SIP phones for handsets.
> 
> Here are my 2 problems that I can not get to go away:
> 
> 1. At what seem to be random times there is a beeping noise generated
> towards the remote end. The noise sounds like a tone that is generated if
> the conversation is being recorded and this is upsetting our clients so I
> really need to get this one fixed.
> 
> After reading about everything I could get my hands on I started moving the
> cards around in the PCI slots. Almost every combination did not help. I have
> also modified the PCI latency priorities to make the TDM400P cards the
> highest in the system. I have ensured that there is nothing sharing the
> IRQ's that the cards are using. I've monitored the system and it does appear
> to be system usage dependant but doesn't seem to have anything to do with HD
> activity. I'm at a loss.
> 
> 2. Again, what seems to be a random pattern we get "phantom" calls on our
> lines. What I mean by this is... The line will ring, Asterisk processes the
> call as if it were a real incoming call. If someone answers the call you get
> nothing but a dial tone. I've played with different FXO signallings
> (Loopstart and Kewlstart are the only 2 that seems to even load) but I'm a
> TDM idiot and I'm not sure what I should be using. (I'm in NYC Metro area -
> so Verizon is LEC.) If I use Kewlstart I seem to get a lot more "phantom"
> calls but the call processing on real calls is better. Meaning that
> on-hook/off-hook detection seems better. If I use Loopstart, I do seem to
> get less calls but when the remote caller hangs up the line just sits there
> and Asterisk holds the Zap channel. It will eventually hangup but it is WAY
> to long. Again, I'm at a loss.

Messages in the mailing list archive indicate some people have had 
similar problems with Promise RAID.  Getting rid of the Promise RAID 
fixed their problems.

--Eric