[cisco-voip] GK trunk in CCM as backup

[Jonathan Charles]

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
>>>
>>>
>>
>