Hello Bjoern,

thanks for this nice discussion;

we we dod have msn (4) although the telco company tells us that we
have pp isdn.  This seems to be a little bit strange to me... Is there
any way to crosscheck the isdn configuration ?

And what about the active or passive isdn cards ?
I just want to drive voice and fax over them.

-- 
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 Danny                            mailto:[EMAIL PROTECTED]

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Saturday, September 25, 2004, 12:47:41 AM, you wrote:

BA> Hi Danny,

BA> dont mix ppp and p2p...


BA> pp = point to point
BA> pmp = point to multipoint
BA> (both are ISDN connection configurations)

BA> ppp = point to point protocol
BA> a higher level protocol for data transmission etc.

BA> Of which type your ISDN connection is, is usually easy to decide looking
BA> at your phonenumbers

BA> A PMP has MSNs (usually (in Germany) up to 10 with EuroISDN)
BA> There may be up to (I'm not sure...) 8  devices connected to one PMP
BA> ISDN connection.

BA> A PP has one base number with DIDs (like 234567-0 234567-10 234567-11
BA> etc). There may only be one device connected to the ISDN connection.
BA> And with PP you can have several BRIs or PRIs 'sharing' the same number.

BA> Greetings

BA> Bjoern

BA> Danny Zak schrieb:

>> Hello;
>> 
>> we are looking to replace our current PBX with a *-box; it is
>> connected to ONE ppp isdn connection that is terminated by the NC.  We
>> got on this box 4 msn's configured.
>> 
>> currently we are working with pstn fxo's behind the PBX; it works but
>> we can't use the CSID information behind it.  We want to migrate and
>> keep the MSN's to decide routing in combination with the CID.
>> 
>> That's why we want to replace all our phones (8) with voip ones (or by
>> using a fxs's)
>> 
>> Reading all information i assume the following
>> 
>> - we need a ACTIVE ISDN card; these are 5/6 times more expensif that
>> passive ones.
>>         I always assumed there was only PPP and PMP; but it seems -
>>         reading the specs of the av. isdn card - that there is also
>>         multilink PPP.  Will a multilink PPP also support a PPP; or is
>>         this just a other way to describe a PMP ?
>>         
>> - how can i checke the number that is being dialed by the caller to
>> reachh the * box (so one of the 4 msn's).  I have seen dialplans
>> making use of the CALLERIDNUM; but what do i need to query for the
>> called num ?
>> 


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