Dan_Austin at Phoenix.com
Guest
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 Posted: Tue Mar 25, 2008 11:10 am Post subject: [asterisk-users] CCM and multiple trunks |
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Aaron wrote:
| Quote: | Okay, another Cisco related issue (sorry!).
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| Quote: | Single Asterisk box at location 1.
Single Cisco box at location 2, however the Cisco is
also the PBX for location 3 (same physical machine, calls
routed via VoIP).
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| Quote: | Trying to have Asterisk be able to call EITHER Call Manager
location. The single SIP trunk in CCM (version 6.1 mind you)
only allows a single device pool to be selected. So configuring
calls to one location...no problem. One location at a time that
is.
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All you are missing is a translation of CCM terms into Asterisk
concepts.
A CCM Device Pool is similar to a context, a logical grouping
Of devices. CCM extends the concept in that Device Pool membership
controls/aids device provisioning.
There is one major difference, and that is membership in a
common Device Pool DOES NOT mean devices can call each other.
Call 'routing' is handled by Calling Search Spaces. You want
to have a CSS that included both locations Device Pools and
assign that CSS to the trunk.
The major caveat there is that the two locations should have
non-overlapping dialplans. If they do overlap, you will need
Translation Patterns, which can strip/prepend digits and be
configured to search a different CSS
| Quote: | If I want to be able to call the 3rd location I have to select
a separate device pool and restart the trunk. Then calls to the
2nd location stop working.
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| Quote: | Multiple trunks in CCM doesn't appear to fix the issue, and
creating multiple SIP profiles isn't permitted apparently.
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Hope that helps... |
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