[cisco-voip] GK trunk in CCM as backup

Tue Jul 8 09:46:56 EDT 2008

I will certainly keep that in mind and do some testing in the lab.  

Thanks!

-----Original Message-----
From: Jonathan Charles [mailto:jonvoip at gmail.com] 
Sent: Monday, July 07, 2008 11:32 PM
To: Keith Klevenski
Cc: cisco-voip
Subject: Re: [cisco-voip] GK trunk in CCM as backup

Yes, only for H.323.... however, if the first is H.323 it won't hunt
to the next MGCP gateway either...

Jonathan

On Mon, Jul 7, 2008 at 9:50 PM, Keith Klevenski
<keith.klevenski at rig.net> wrote:
> Very interesting.... so say you had to do teho out the gk first then
out the
> local pstn if the the gk is down.  So lets say the gk is down...
you're
> saying that if the pstn gw is in the second rg in the rl and that pstn
gw is
> h323, wihtout changing these settings the call would fail?  Even if
the
> trunk to the gk was an h225 trunk?  I'm assuming then if the pstn gw
in the
> second rg was an mgcp gw then these settings would have no effect?
>
> Thanks for confirming.  ;)
>
> Keith
> ________________________________
> From: Jonathan Charles [mailto:jonvoip at gmail.com]
> Sent: Mon 7/7/2008 7:29 PM
> To: Keith Klevenski
> Cc: cisco-voip
> Subject: Re: [cisco-voip] GK trunk in CCM as backup
>
> Actually, they are for H.323 devices in route groups/lists...
> basically any H.323 signaling.
>
> So, if you have H.323-GK controlled trunks and if the GK rejects the
> call (due to insufficient bw or whatever), you may want to add the
> PSTN (an H.323 gateway) to the route list to route telco.
>
> With these set to their defaults, you are hosed, cuz the connection to
> the GK will fail and the call will die.
>
>
>
> Jonathan
>
> On Mon, Jul 7, 2008 at 5:34 PM, Keith Klevenski
<keith.klevenski at rig.net>
> wrote:
>> Jonathan,
>>
>> Are those parameters only for ICT's?  The help specifically mentions
>> ICT's anyway.  The reason I am asking is that I've never changed
those
>> settings taking the CCIE lab (3rd attempt August 1st), but then again
I
>> always use h225 trunks and not ICT's.
>>
>> In case you're wondering, I've seen a lot of your post in the
IPExpert
>> forums so just curious if this is something you would do in the lab.
I
>> have never heard of changing these settings, but I suppose they would
>> have to be changed if you used a GK controlled ICT in the lab.
>>
>> Anyway, just wondering.
>>
>> Thx!
>>
>> Keith
>>
>>
>>
>> -----Original Message-----
>> From: Jonathan Charles [mailto:jonvoip at gmail.com]
>> Sent: Monday, July 07, 2008 3:36 PM
>> To: Keith Klevenski
>> Cc: Sheeraz Saeed/NE/Karachi; cisco-voip
>> Subject: Re: [cisco-voip] GK trunk in CCM as backup
>>
>> Just a quick note...
>>
>> You need to change 3 service parameters for this to work (multiple
>> H.323 gateways/trunks in a route list...)... the default behavior of
>> CCM is to stop hunting if it is busy or unresponsive.
>>
>> You need to change:
>>
>> Stop Routing on Out of Bandwidth Flag                     Fale
>> Stop Routing on Unallocated Number Flag                 False
>> Stop Routing on User Busy Flag                      False
>>
>> Otherwise it won't hunt to the next H.323 device.
>>
>>
>>
>> Jonathan
>>
>>
>> On Mon, Jul 7, 2008 at 2:52 PM, Keith Klevenski
>> <keith.klevenski at rig.net> wrote:
>>> Oops I meant, "...points to a route list that contains two route
>> groups, one
>>> for each GK trunk..."
>>>
>>>
>>>
>>> From: cisco-voip-bounces at puck.nether.net
>>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Keith
>> Klevenski
>>> Sent: Monday, July 07, 2008 2:36 PM
>>> To: Sheeraz Saeed/NE/Karachi
>>> Cc: cisco-voip
>>> Subject: Re: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Sheeraz,
>>>
>>>
>>>
>>> Let's keep cisco-voip in the loop here to broaden the audience.
>>>
>>>
>>>
>>> I don't have a lot of real world experience with GK's and I'm still
>>> struggling with understanding the call flow here.  You have
mentioned
>> you're
>>> not sure how to use the second GK 'for CCM'.  Are you looking to use
>> the
>>> second GK for calls from CCM?  If so you would use a route pattern
>> that
>>> points to a route list that contains a route group that contains
both
>> GK
>>> trunks in CCM that I mentioned before.  But you mentioned you are
not
>> using
>>> a route pattern to send calls to the GK so I'm confused on exactly
>> what you
>>> are trying to accomplish in relation to CCM using a backup GK....
>>>
>>>
>>>
>>> Keith
>>>
>>>
>>>
>>>
>>>
>>> From: Sheeraz Saeed/NE/Karachi [mailto:Sheeraz.Saeed at Wateen.com]
>>> Sent: Thursday, July 03, 2008 12:38 AM
>>> To: Keith Klevenski
>>> Subject: RE: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Hi keith,
>>>
>>> Many thanks for your reply. Yeah I guess I really made you confuse n
>> sorry
>>> for this. I try to explain you the scenario again. I am running a
>> Cisco IP
>>> Contact Centre in which I have requirement from customer to use one
>>> Gatekeeper as backup and no HERP to apply. I this scenario some
>> components
>>> of IPCC make a trunk with gatekeeper like CVP is used for call
queuing
>> and
>>> CCM is being used for Call Landing on the IP Phone. Now the problem
I
>> am
>>> facing is how to use the 2nd Gatekeeper as backup in this scenario.
I
>> have
>>> option in CVP to define multiple Gatekeepers with precedence but I
>> don't
>>> have much idea for CCM. Here is the config of my one Gatekeeper with
>> CCM.
>>>
>>>
>>>
>>> gatekeeper
>>>
>>>  zone local <Gateway Host Name > <Domain Name> <IP address of
gateway
>>>
>>> <10.100.34.5>
>>>
>>>  no zone subnet <Gateway Host Name > 10.0.0.0/24 enable
>>>
>>>  zone subnet <Gateway Host Name > 10.100.0.0/16 enable
>>>
>>>  zone prefix <Gateway Host Name > 2519* gw-priority 10 ACCBNK-VG
>> <Gateway
>>> Host Name>
>>>
>>>  zone prefix <Gateway Host Name > 2521. gw-priority 10
aeadsvp013-cs1a
>>> aealsvp014-cs1c <Name of all CVPs using for call queuing>
>>>
>>>  zone prefix <Gateway Host Name > 2.. gw-priority 10 INJAZAT_Trunk_1
>> <Name
>>> of Gatekeeper Trunk created in CCM>
>>>
>>>  gw-type-prefix 1#*
>>>
>>>  gw-type-prefix 2#* default-technology
>>>
>>>  no shutdown
>>>
>>>
>>>
>>>
>>>
>>> Now what should I configure on 2nd GK or can I enter the 2nd GK
Trunk
>> in
>>> this GK with preference and same Config on the backup GK.
>>>
>>>
>>>
>>> Regards,
>>>
>>>
>>>
>>> Sheeraz Saeed Lodhi,
>>>
>>> Engg IPCC /IPT,
>>>
>>> Pakistan, karachi,
>>>
>>> 92-322-2456929.
>>>
>>> ________________________________
>>>
>>> From: Keith Klevenski [mailto:keith.klevenski at rig.net]
>>> Sent: Wednesday, July 02, 2008 11:02 PM
>>> To: Sheeraz Saeed/NE/Karachi
>>> Cc: cisco-voip
>>> Subject: RE: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Sheeraz,
>>>
>>>
>>>
>>> If you are sending calls to the GK's via dial-peers in an h323 GW
and
>> not
>>> directly to a GK through CCM then create another dial-peer to the
>> second GK
>>> with a higher preference value (which gives that dial-peer a lower
>>> priority).
>>>
>>>
>>>
>>> I very well could be misunderstanding your setup, but as far as I
can
>> think
>>> you would only be able to have a backup GK either via route groups
in
>> a
>>> route list in CCM or multiple dial-peers with different preferences.
>> I'm
>>> sure there are others here than have much more GK experience than I
>> have.
>>>
>>>
>>>
>>> Hope this helps.
>>>
>>>
>>>
>>>
>>
........................................................................
>> ............
>>>
>>>
>>>
>>> Keith Klevenski
>>>
>>> Manager, Telephony Engineering
>>>
>>>
>>>
>>> 1880 S. Dairy Ashford, Suite 300  |  Houston, TX  77077- 4760
>>>
>>> Tel: 281.674.0702  |  Mobile: 713.677.3925  |  Fax: 281.674.0101
>>>
>>> keith.klevenski at rig.net
>>>
>>> www.rig.net
>>>
>>>
>>>
>>>
>>>
>>> From: Sheeraz Saeed/NE/Karachi [mailto:Sheeraz.Saeed at Wateen.com]
>>> Sent: Wednesday, July 02, 2008 11:31 AM
>>> To: Keith Klevenski
>>> Subject: RE: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Keith,
>>>
>>> Thanks for the reply I checked your mail. I am not using the Rout
>> pattern
>>> for GK, route pattern contains the IP of GW which has different IP
>> address.
>>> In fact I am using GK for IPCC. In that scenario you still advice to
>> do
>>> this.
>>>
>>>
>>>
>>> Regards,
>>>
>>> Sheeraz
>>>
>>> ________________________________
>>>
>>> From: Keith Klevenski [mailto:keith.klevenski at rig.net]
>>> Sent: Monday, June 30, 2008 9:34 PM
>>> To: Sheeraz Saeed/NE/Karachi; cisco-voip at puck.nether.net
>>> Subject: RE: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Create the second trunk in CCM for the second gatekeeper and add it
to
>> its
>>> own route group (assuming the first one is its own route group as
>> well).
>>> The route pattern for calls to the GK's should be pointing to a
route
>> list
>>> that contains both route groups, one rg for each GK.  If the first
GK
>> goes
>>> down then CCM will send the calls to the second GK which will be the
>> second
>>> rg in the route list.
>>>
>>>
>>>
>>> Keith
>>>
>>>
>>>
>>> From: cisco-voip-bounces at puck.nether.net
>>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Sheeraz
>>> Saeed/NE/Karachi
>>> Sent: Monday, June 30, 2008 11:23 AM
>>> To: cisco-voip at puck.nether.net
>>> Subject: [cisco-voip] GK trunk in CCM as backup
>>>
>>>
>>>
>>> Hello every one,
>>>
>>> I have a scenario 2 gatekeepers with different subnet mask are
>> configured
>>> and one is backup of another i.e. if first GK fails the coming calls
>> will
>>> start entertaining through the next one as they are configured with
>>> precedence. Now I nee to know how this can be configure on Call
>> Manager 4.1.
>>> As I have a one GK trunk and it is associated with first GK what how
>> can I
>>> make the second GK trunk to work as backup.
>>>
>>>
>>>
>>> Thanks
>>>
>>>
>>>
>>>
>>>
>>> Regards,
>>>
>>>
>>>
>>> Sheeraz Saeed Lodhi,
>>>
>>> 92-322-2456929.
>>>
>>>
>>>
>>> _______________________________________________
>>> cisco-voip mailing list
>>> cisco-voip at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>
>>>
>>
>