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 ?
--
Best regards,
Danny mailto:dannyz@belgonet.com
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Hi Danny,>- 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 ?Here is a working extensions.conf section separating calls based on the MSN dialed by the external caller: [isdn-in] exten => s,1,NoOp,${DNID} exten => s,2,GoToIf($["${DNID}" = "5551212"]?contexta,s,1:3) exten => s,3,GoToIf($["${DNID}" = "5551213"]?contextb,s,1:4) exten => s,4,GoToIf($["${DNID}" = "5551214"]?contextc,s,1:5) exten => s,5,GoToIf($["${DNID}" = "5551215"]?contextd,s,1:6) exten => s,6,Wait(60) which first (1) logs the msn (just for debugging, you can of course get rid of that) (2 - 5) send call to contexta,s for MSN 5551212; contextb,s for MSN 5551213 etc. and finally (6) just a 60 secs wait at the end (this is so that if I miss some extensions, other true ISDN phones may ring and their answering machine can pick up the call while asterisk justs waits silently) (Can't help you with the other questions) Cheers, Phil
PPP is Point To Point Protocol. It was designed to allow TCP/IP over a modem/dialup connection which a ISDN modem is capable of. Now to allow combining the two b channels to appear as one data channel with the same IP address and so forth, that's where the Multilink PPP comes in. It's an extension of the orginal PPP protocol to allow bonding of more than one PPP link and allow it to appear to the OS as one tcp/ip link. I really don't know what a PMP is. Lyle ----- Original Message ----- From: "Danny Zak" <dannyz@belgonet.com> To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com> Sent: Friday, September 24, 2004 4:56 PM Subject: [Asterisk-Users] ISDN (point to point) questions> 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 ? > > -- > Best regards, > Danny mailto:dannyz@belgonet.com > > belGOnet.com a Euro-pictures division - internet solutions > place princesse elisabeth 9/11 - 1030 Brussels - Belgium > Tel : +32-(0)2-215.67.65 - Fax : +32-(0)2-215.66.65 > > domains - hosting - hardware - VoiP - consultancy - backuping > CISCO - HP/COMPAQ - SUN - EMC - JUNIPER - IBM - DELL - NORTEL > > > No legal consequences can be derived from the contents of the email > neither is belGOnet.com committed to them. The content of this email > is exclusively intended for adressee(s) and information purposes. > belGOnet.com accepts no liability for any damage resulting from the > use and/or acceptation of the content of this email. > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
Hi Danny, dont mix ppp and p2p... pp = point to point pmp = point to multipoint (both are ISDN connection configurations) ppp = point to point protocol a higher level protocol for data transmission etc. Of which type your ISDN connection is, is usually easy to decide looking at your phonenumbers A PMP has MSNs (usually (in Germany) up to 10 with EuroISDN) There may be up to (I'm not sure...) 8 devices connected to one PMP ISDN connection. A PP has one base number with DIDs (like 234567-0 234567-10 234567-11 etc). There may only be one device connected to the ISDN connection. And with PP you can have several BRIs or PRIs 'sharing' the same number. Greetings Bjoern 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 ? >