And about the protocol used to create this hierarchical network?
Should I use SIP (routing between SERs) or should I use IAX (routing
between Asterisks)?
About ENUM, Isnt the managing of the ENUM tree going to be very
complicated and heavy when we reach the millions of users?
Joao
Jan Saell wrote:
Hi there!
We have kind of the same setup but are using a few number of SER boxes
for the on net calls - using enum for the lookup would be a great idea
so that you can get the numbers to do sip calls and move over slowly.
And for the central routing voip server make the routing use SIP
redirects as the central server then can handle a lot of calls as its
only doing the routing decisions.
Best regards
jan
--On Wednesday, November 30, 2005 05:45:21 PM +0000 Joao Pereira
<[EMAIL PROTECTED]> wrote:
Hello
Im managing a WAN with a lot of Universities. Some of them already
installed a VoIP solution based on SER (to manage SIP clients) and
Asterisk (for services and PSTN GW). The DNS routing provided by SER is
working perfectly, but we want to start routing all calls thru IP
transparently.
We want our legacy PBXs (that are connected to Asterisk) to forward all
calls to IP. The idea is to forward all calls to a central VoIP server,
that has all the numbers that already are VoIP enabled, and then:
- if the called number is VoIP enabled, he routes the call to that Univ.
VoIP server
- if the called number isnt in the list, the call goes back to the PBX
and a PSTN call is dialed
This way, ppl starts using the VoIP infrastructure, without even knowing
what VoIP means, and the telecom bill starts decreasing.
I know thats a statical and hierarchical structure and we dont want
that,
but is a good solution for this migration phase, where a lot of places
are still using TDM systems.
Now, the top of the hierarchy should be an Asterisk or SER? I dont know
which of the systems is the best choice for the job. Does someone has an
idea of what should we use?
Thanks
Joao Pereira
www.fccn.pt
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