[cisco-voip] Fractional PRI with "ccm-manager config"

[Jonathan Charles]

This is a core step of the CCIE Voice lab... all the PRIs are fractional and
on a 6608, you need change B-channel maintenance state and on IOS, you
configure as normal but leave off the ccm config and create the PRI group as
you would if it were a fractional for H.323 (with service mgcp as stated
below).

It is supported, by the way. As is the fractional on the 6608.

However, you also need to manually enter your MGCP commands
(package-capability sst, rtcp, etc...) as these will not be downloaded from
ccm.


Jonathan

On Thu, Aug 7, 2008 at 8:17 PM, Michael Thompson <mthompson729 at gmail.com>wrote:

> Not sure if 4.1 is different than 6.X, but in order to do a frac PRI you
> can't do the ccm-manager config.  All you would do is create the PRI group
> with the service MGCP at the end.  Then create a dial peer:
>
> Pri-group timeslot 1-12,24 service mgcp
>
> Dial-peer voice 1 pots
> Service MGCPAPP (or application MGCPAPP depending on IOS)
> Port 1/0:23
>
> I would THINK, that you should be able to do something like
>
> Dial-peer voice 2 pots
> Service MGCPAPP
> Port 1/1/0 (FXS Port)
>
> Not sure, haven't tried that on 4.x or 6.x.
>
> MT
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jason Aarons (US)
> Sent: Thursday, August 07, 2008 4:13 PM
> To: Matthew Saskin; Paul
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Fractional PRI with "ccm-manager config"
>
> I have some sites where the MGCP controlled b-channel is busied out for
> fractional. Not supported but it works.
>
> http://puck.nether.net/pipermail/cisco-voip/2007-November/027770.html
>
>
>
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Matthew Saskin
> Sent: Thursday, August 07, 2008 3:49 PM
> To: Paul
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Fractional PRI with "ccm-manager config"
>
> May be able to hack it to work by busying out the unused channels from a
> callmanager perspective through the maintenance service parameter, but
> definitely a hack.
>
> -matt
>
> Paul wrote:
> > I maybe mistaken but I think that you can only use H.323 with fractional
> PRI and not MGCP.
> >
> > "MGCP gateways do not support fractional PRIs, while H.323 does.
> > If MGCP is statically configured, fractional PRI support can be
> > accommodated, but is not officially supported. Cisco's recommended MGCP
> > gateway deployment configuration uses the automated ccm-manager config
> > and ccm-manager config server commands covered in a previous blog. When
> > these automated configuration commands are used, CUCM registers all 24
> > channels of the PRI with the MGCP call agent. If a fractional PRI of
> > less than 23 channels is desired, the H.323 protocol is recommended."
> >
> >
> > ----- Original Message ----
> > From: Joe Cisco <smetsysocsic at gmail.com>
> > To: cisco-voip at puck.nether.net
> > Sent: Thursday, August 7, 2008 11:13:36 AM
> > Subject: [cisco-voip] Fractional PRI with "ccm-manager config"
> >
> > UC6. I have an MGCP voice gateway with a fractional PRI and it also
> > has two FXS cards. If i configure the controller as 12 channels but
> > then enable "ccm-manager config" (which I need for end user to be able
> > to configure FXS's as needed) it overwrites the 12 channel controller
> > config and sets it back to a full 23 channel PRI.
> >
> > Any suggestions?
> >
> > Thanks,
> >
> > Joe C.
> > _______________________________________________
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> >
> >
> >
> >
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