[asterisk-users] Issue with Hamlet ISDN PCI card(Cologne Chipset)

[f6hqz-m at hamwlan.net]

Hi David and the list,

It's "normal"  ;-)
Near all European BRI operators cut off the line between calls. So, you must
trieve the correct parameter avoiding to survey the line as for mISDN :
pmp_l1_check=no

I use mISDN without any issue with B410P.

I hope this help.

Best Regards,
Francois BERGERET,
France.

-----Message d'origine-----
De : asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] De la part de Francesco
Peeters (Asterisk)
Envoyé : samedi 24 mars 2007 12:40
À : Asterisk Users Mailing List - Non-Commercial Discussion
Cc : asterisk-users at lists.digium.com
Objet : Re: [asterisk-users] Issue with Hamlet ISDN PCI card(Cologne
Chipset)


On Sat, March 24, 2007 11:54, Mauro Zanin wrote:
> Hi everybody
> I have installed a TrixBox with Asterisk 1.2.14 and relative upgreaded 
> software. I Bristuffed it with last version of bristuff to use a 
> Hemlet PCI ISDN CARD
> in a normal Italian EUROISDN installation. The * works fine except for the
> ISDN CARD. It is always Channel D down, but if a Call comes in, it works
> perfectly for some time, both inbound and outbound. It prompts Channel D
> UP!
> If I disconnect the NT+ termination the Channel D goes down at once.
> Did I make something wrong?
>
Not really... It's a bristuff quirk... It doesn't gracefully handle the
forced D-channel down that most European ISDN operators implement.

That is why I switched to testing vISDN, but that has been stagnant for over
half a year without any fixes for a few very annoying bugs, because the
programmer dedicated all his time to rewriting the vGSM part...

I am now testing mISDN as someone on the vISDN list mentioned that it's
chan_misdn voice support had greatly improved...

The only way I can *somewhat* keep bristuff working without contacting the
ISDN carrier to turn on the D channel permanently is by initiation a 100ms
outbound call every minute using the manager interface... (Yes, a very ugly
kludge indeed, but I do not want permanent channel up, as I want to be able
to test everything in a normal environment, as I am planning to install this
in other location too once I have a stable, reliable environment)

-- 
F Peeters
  PIII 450 - 1 GB - * 1.2 - BRIstuff 0.3.0 Pre 1 - Florz patch
  2 Sweex HFC-PCI modes=0 sync_slave=0 timer_card=0
  AMD Duron 1GHz - 1GB - * 1.2.1 - vISDN
  2 Sweex HFC-PCI cards _______________________________________________
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