[Asterisk-Users] 2 questions about ISDN BRI

[Tomica Crnek]

Thanks for stripmsd=0, it helped! It supports groups also.

It is one US Robotics card

 [chan_modem.so] => (Generic Voice Modem Driver)
  == Parsing '/etc/asterisk/modem.conf': Found
  == Loading modem driver chan_modem_aopen.so => (A/Open (Rockwell
Chipset) ITU-2 VoiceModem Driver)
  == Loading modem driver chan_modem_i4l.so => (ISDN4Linux Emulated
Modem Driver)
    -- Configured modem /dev/ttyI0 with driver i4l (Linux ISDN)
    -- Configured modem /dev/ttyI1 with driver i4l (Linux ISDN)
    -- Configured modem /dev/ttyI2 with driver i4l (Linux ISDN)
    -- Configured modem /dev/ttyI3 with driver i4l (Linux ISDN)
    -- Configured modem /dev/ttyI4 with driver i4l (Linux ISDN)
    -- Configured modem /dev/ttyI5 with driver i4l (Linux ISDN)
  == Registered channel type 'Modem' (Generic Voice Modem Channel
Driver) 

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Philipp von
Klitzing
Sent: Sunday, February 22, 2004 7:50 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] 2 questions about ISDN BRI

Hi!

> I am able to receive calls to Asterisk via BRI, but when I attempt to 
> dial out from Asterisk to ISDN I always get
>  
>     -- Executing Dial("SIP/1001-3fb0", "Modem/g1:6658218") in new
stack
>     -- Called g1:6658218
>     -- Modem[i4l]/ttyI1 is busy
>     -- Hungup 'Modem[i4l]/ttyI1'

Change stripmsd=1 in modem.conf to stripmsd=0.
It might help if you tell us which ISDN card you are using. You should
also move away from i4l and use chan_capi instead once you completed
your initial tests and trials.

http://www.voip-info.org/wiki-Asterisk+CAPI+Channels

> Is it possible to emulate ISDN NT device with Asterisk and connect 
> other ISDN devices directly to Asterisk? If it is, what do I have to 
> do to switch Asterisk behavior to NT.

Search this list or look here:
http://www.voip-info.org/wiki-Asterisk+zaphfc
http://www.voip-info.org/wiki-zaptelBRI

Cheers, Philipp


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