From: Yigit Zorlu (yzorlu@tepum.com.tr)
Date: Sun Jan 12 2003 - 22:56:52 GMT-3
That's the number you dial as a caller. Sometimes by dialing different
numbers, your call is terminated on the same PRI interface as a result
to telco side config. Dialed number is identified by service provider
(ISP) network. Service provider checks called party number and behaves
in that manner.
e.g. Access VPN (a.k.a VPDN) service providers (mostly ISPs)
differentiate VPDN users using DNIS number. In practice each VPDN group
has a specific DNIS number, users dial related DNIS numbers but reach to
PRI lines of same ISP and there terminated by access servers. And then
access servers check the called party number and identifies your VPDN
group and assigns an IP from your VPDN Group etc. Virtual ISPs have DNIS
numbers as well.
Sometimes telcos do not send called party number in Q.931 through
service provider. You must specifically request from them to do so.
Thanks,
Yigit
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Jonathan V Hays
Sent: Monday, January 13, 2003 3:08 AM
To: 'Rick'; ccielab@groupstudy.com
Subject: RE: incoming calls through ISDN (VOIP gurus)
DNIS is Dialed Number Identification Service.
I think this is a telco service that allows the called party to identify
which number was used to activate the call, when there are multiple
phone numbers that terminate at the same location. In addition to
connecting the call (as usual) the service passes the digits dialed to
the answering location. I'm pretty sure it's used a lot with toll-free
numbers (where there might be multiple toll-free numbers terminating at
the same location) but I wasn't aware it was available for ISDN.
Telco people, does this sound right?
Jonathan
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Rick
Sent: Sunday, January 12, 2003 7:20 PM
To: ccielab@groupstudy.com
Subject: incoming calls through ISDN (VOIP gurus)
Can anybody explain what DNIS in reference to incoming call through
ISDN?
I'm I reading this correct, to say that all calls coming in VOIP through
a DDR ISDN interface must be mapped to POTS dial peer with the command
incoming called-number 5671212 under the dial-peer voice 100 voip sub
mode. *it says for non-ISDN voice ports, a POTS dial peer is assigned as
soon as the voice port is seized, which is before the router can collect
the digits of the called the number.
Also, says You can only select an inbound POTS dial peer based on the
called party number DNIS (I really wish I knew what DNIS means) when the
call arrives.
Thanks,
Rick
.
.
This archive was generated by hypermail 2.1.4 : Sat Feb 01 2003 - 07:33:47 GMT-3