[Asterisk-Users] Asterisk as a SIP/H.323 Router

[Nir Simionovich]

Hi All,

  I've been spending the last month experimenting with Asterisk, and I must say that all results point
to a very positive outcome. 

  Now, i've been asked the following question: Is it possible to put an Asterisk box between 2 Cisco
routers or other SIP complianet equiment, then routing SIP/H.323 calls between the two routers?

  Here's a drawing that will explain:

      +--------------+                   +----------+                 +--------------+
 PRI  |              |1.1.1.2     1.1.1.3|          |1.1.2.1   1.1.2.2|              |
 ---->+ Cisco Router +-------------------+ Asterisk +--------+--------+ Cisco Router +--> PRI0-3
      | Location A   |                   |Location B|        |        |              |
      +--------------+                   +----------+        |        +--------------+
                                                             |
                                                             |        +--------------+
                                                             | 1.1.2.3|              |
                                                             +--------+ Cisco Router +--> PRI4-7
                                                                      |              |
                                                                      +--------------+

The question here is this:

A phone call is is made to the router in location A.
The Cisco router routes the call via SIP to the Asterisk Box at Location B.
According to a set of rules on the Asterisk box, the box would route the SIP/H.323
to one of the the other Cisco boxes, in order to terminate the call.

What do you think, is this possible?

Nir Simionovich

P.S.
  Excuse me for the poor ASCII art, I didn't want to attach a Visio or a PDF file.
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