asterisk users - Apr 2007 - Connection between Asterisk - Cisco 2851

Hello from Greece. I have an assignment related to Cisco. Specifically, i have
to connect an asterisk server (VoIP) to a Cisco Router 2851 in a way that the
router will handle some calls. I have not found any manuals that would be
helpful to me. On the other hand, i found some manuals for connection between
asterisk and Cisco Call Managers. I would like to know if the call manager is a
part of the router or is an extra element. I would appriciate if you could help
me.
 
Thanks in advance,
Aggelos
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It's easy to create SIP trunks between * and CCM, but you can also
create them between cisco voice gateways and asterisk too.

Here is an example of a simple dial peer that routes inbound calls
with specific destination numbers to an Asterisk server:

dial-peer voice 1 voip
 description ## Inbound VoIP dial-peer to Asterisk ##
 destination-pattern 88..
 voice-class codec 1
 session protocol sipv2
 session target ipv4:192.168.0.16
 dtmf-relay rtp-nte

If you don't need to use call damager for some other reason, then it's
not required to use a Cisco router as a good quality PSTN gateway.

Good luck!
>
> Hello from Greece. I have an assignment related to Cisco. Specifically, i
> have to connect an asterisk server (VoIP) to a Cisco Router 2851 in a way
> that the router will handle some calls. I have not found any manuals that
> would be helpful to me. On the other hand, i found some manuals for
> connection between asterisk and Cisco Call Managers. I would like to know
if
> the call manager is a part of the router or is an extra element. I would
> appriciate if you could help me.
>
>

> Hello from Greece. I have an assignment related to Cisco. Specifically, i
have to connect an asterisk server (VoIP) to a Cisco Router 2851 in a way that
the router will handle some calls. I have not found any manuals
> that would be helpful to me. On the other hand, i found some manuals for
connection between asterisk and Cisco Call Managers. I would like to know if the
call manager is a part of the router or is an extra element.
> I would appriciate if you could help me.
I'll just add one more thing: Your Cisco must have DSPs in order to allow
the
E1 to have voice calls (on 2,811 it is called PVDM). Without the DSPs your E1
can do only data calls...

                                              __Yehavi: