BRI set-up

Asterisk Asterisk Support
1

I would like to set-up an asterisk PBX. I have two ISDN connections with the local PTT and I need 6 digital extension lines and 4 analog ones.
Any suggestion on the H/W to be used.

I have tried with one TDM40B and a TDM22B, but it is my impression that those cards are only for analog lines/extentions.

:unamused:

2

the tdm cards are only for analog lines.

Have a look here for a tutorial for BRI lines and chan_misdn.
asteriskguru.com/tutorials/bri.html
asteriskguru.com/tutorials/chan_misdn.html

Looks to me like you will need an octobri and a tdm400p.

3

Thanks for your reply.

but digital phones (not VoIP phones like Panasonic KTX7630) are quite common here for SOHO environments.

Adding 4/8-port BRI cards is quite expensive just for a few phones.
Are there any cheaper methods to integrate existing digital phones with an asterisk server?

How about using inexpensive regular ISDN modems?

4

you need something that does NT mode for those digital phones, you could use a cheap 99$ avm pci card for the digital phones lines, but for the digital phones you will need something more expensive.

Also the tdm card is not that cheap.

Zoa