[Asterisk-Users] ISDN EDSS1 protocol support

[Francois Menard (Mailing List Account)]

Does ZapRAS allow you to serve several incoming modem calls for dial-up 
internet users, as an ISP in the good old days?
f.

On Sun, 31 Oct 2004, Martin List-Petersen wrote:

> On Fri, 2004-10-29 at 13:41, Maxim Litnitsky wrote:
>> Hi all, I have to implement the following:
>>
>> --------------
>>               |   ---- 10 voice channels   -------------------->
>> |-------------------------------|
>> Prov  E1 |   ----  256 kbit/s for VoIP -------------------->  |
>> Asterisk IP-PBX      |
>>               |   ----  256 kbit/s for Data (http,mail) ----->
>> |-------------------------------|
>> --------------
>>
>> Provider gives E1 and on this E1 I will have 10 timeslots for voice,
>> and others for internet.
>> What hardware shall I use? Provider supports EDSS1 ISDN protocol, as
>> I undertood Digium hardware does not support this protcol. I searched
>> google and lists.digium.com and found only
>> this:
>> http://www.redhat.com/archives/fedora-list/2004-October/msg03224.html
>> http://www.mail-archive.com/asterisk-users@lists.digium.com/msg30870.html
>>
>> The question: Can I implement all with Asterisk using EDSS1 protcol
>> and how?  Give me please a clue!!
>
> You didn't define your question good enough.
>
> Digium hardware does support EDSS1 (EuroISDN) without problems. However,
> you didn't say, how your provider let you connect to the internet.
>
> You have 30 channels on your E1 (30 timeslots / 64 kbit), not counting
> the d-channel, which is a total of 2 mbit.
>
> Implenting the 10 voice channels is a std. setup, but your provider
> still needs to tell you, how you access the internet/data part. EDSS1 is
> only a ISDN signalling protocol, you would probably have to run
> something like PPP over the lasting 20 channels (or how many your
> provider has assigned there) to get connectivity. Get better
> specifications from your provider !!!
>
> If your provider indeed is using PPP, then you should have a look at
> ZapRAS in Asterisk (http://www.voip-info.org/wiki-Asterisk+cmd+ZapRAS)
>
> Kind regards,
> Martin List-Petersen
>
>
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