You're right about there being a lot of ISDN cards available that are certified for use in Europe. They fall into two categories - active and passive. Passive cards are cheap and generally operate through ISDN4linux and asterisk's chan_modemi4l. The reported disadvantages of this approach are:
- delay during calls - echo (it's disputed what the cause of it is but it's a bit of a nuisance) - call tones don't follow PSTN patterns.
The active cards (AVM is the major supplier, I think) are better. If you get one with a CAPI interface then you can use the asterisk chan_capi driver. I haven't any experience of this type of card - maybe someone else can provide feedback.
Iain
--On Monday, June 2, 2003 12:33 am +0200 Piotr Adamiak <[EMAIL PROTECTED]> wrote:
Hello,
Anyone on this group using / implementing * and hardware certified for use in Europe ? I believe that ISDN4Linux cards mostly have telecomm certificates, so using them should be safe on the client side. Are there any major issues / problems associated with using such cards with * ? I am talking about a small / very small office with single - few lines.
All the best,
Piotr Adamiak
-- I am updating my DNA. 'Microsoft Genome 2.0' says I need to reboot my body to continue. I am worried that I may not have enough free chromosomes to allow the full installation to complete.
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