[cisco-voip] Call flow for device registered to Hybrid Cloud via local PSTN

Thu May 16 11:02:24 EDT 2019

"... this stuff is soooooo fluid right now, it’s a contradictory mess..."

This bothers me to an unhealthy degree.  I really need to meditate or
something.

On Wed, May 15, 2019 at 9:39 PM Ryan Huff <ryanhuff at outlook.com> wrote:

> Yup, this stuff is soooooo fluid right now, it’s a contradictory mess 😂.
> The on-prem registration, IMHO, is ffffaaaarrr from prime time (as you even
> noted, “preview mode”). I honestly think it’s a bit further out than what
> the marketing department would have us believe too ;).
>
> Hopefully though, one day, we’ll all have this unified unicorn they’re
> promising... Jeams?... Jams? ... who knows 😂
>
> Tops to you mate!
>
> On May 15, 2019, at 22:31, Tim Smith <tim.smith at enject.com.au> wrote:
>
> Hi Ryan,
>
>
>
> Yeah sorry, I realise you guys were talking WebEx Hybrid Call (formally
> Spark Hybrid).
>
>
>
> Just pointing out there is some new stuff on horizon. Calling from WebEx
> Teams via CUCM feature.
>
>
> https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/ucmcalling/unified-cm-wbx-teams-deployment-guide/unified-cm-wbx-teams-deployment-guide_chapter_011.html
> <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cisco.com%2Fc%2Fen%2Fus%2Ftd%2Fdocs%2Fvoice_ip_comm%2FcloudCollaboration%2Fwbxt%2Fucmcalling%2Funified-cm-wbx-teams-deployment-guide%2Funified-cm-wbx-teams-deployment-guide_chapter_011.html&data=02%7C01%7C%7C9379fa8f35284f2e6bfc08d6d9a6a4be%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636935707083032550&sdata=b4UfPgVLInjyqap7dxRoF7T3PXcBna%2FOW0%2F7GY7maxA%3D&reserved=0>
>
>
>
> It looks like this will replace the calling from Teams part of the old
> Hybrid Call (although not on mobile clients yet) – in fact it seems you
> have to remove their old Hybrid config to make them work.
>
>
>
> Looks like you’d still need to retain Hybrid Call for cloud registered
> devices.
>
>
>
> There was one specific annoyance with the Hybrid Call from the apps, and I
> can’t find it in my Teams search ☹
>
>
>
> Cheers,
>
>
>
> Tim
>
>
>
>
>
> *From: *Ryan Huff <ryanhuff at outlook.com>
> *Date: *Thursday, 16 May 2019 at 12:14 pm
> *To: *Tim Smith <tim.smith at enject.com.au>
> *Cc: *Jonathan Charles <jonvoip at gmail.com>, "cisco-voip at puck.nether.net" <
> cisco-voip at puck.nether.net>
> *Subject: *Re: [cisco-voip] Call flow for device registered to Hybrid
> Cloud via local PSTN
>
>
>
> This is Webex Hybrid Calling (which was formerly Spark Hybrid calling).
> Whether you configure for cloud registered codec devices, or Webex Teams
> clients, both use cases use the same configuration path / scenario to
> enable PSTN call via CUCM.
>
> Sent from my iPhone
>
>
> On May 15, 2019, at 22:08, Tim Smith <tim.smith at enject.com.au> wrote:
>
> Hey guys,
>
>
>
> I think this one has changed a little.
>
> We did “Spark hybrid calling” for one customer with the Spark RD devices
> in CUCM
>
> Honestly, the experience was a little confusing.
>
>
>
> I think the new direction is going to be the WebEx Calling via CUCM (it’s
> in preview mode still)
>
> *https://help.webex.com/en-us/n15ylys/Explore-Calling-in-Cisco-Webex-Teams-Unified-CM
> <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhelp.webex.com%2Fen-us%2Fn15ylys%2FExplore-Calling-in-Cisco-Webex-Teams-Unified-CM&data=02%7C01%7C%7C9379fa8f35284f2e6bfc08d6d9a6a4be%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636935707083042561&sdata=zbKn4%2Bo6qOMVpZuBvCVfY2L1QZF3s80v9w%2FeBPvmAKw%3D&reserved=0>*
>
>
>
> It’s not parity with the Hybrid Calling yet. (i.e. I think it’s only
> desktop)
>
> Either way, I’d check out all the details first.
>
>
>
> If you are not already on there, make sure you are on the Fabian bot in
> WebEx teams. (Not sure if it’s partners only)
>
> These hybrid features are really starting to rock and roll now.
>
>
>
> Cheers,
>
>
>
> Tim
>
>
>
> *From: *cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
> Jonathan Charles <jonvoip at gmail.com>
> *Date: *Thursday, 16 May 2019 at 9:30 am
> *To: *Ryan Huff <ryanhuff at outlook.com>
> *Cc: *"cisco-voip at puck.nether.net" <cisco-voip at puck.nether.net>
> *Subject: *Re: [cisco-voip] Call flow for device registered to Hybrid
> Cloud via local PSTN
>
>
>
> Thanks!... looks like I have some more reading to do... so how does it
> prevent anyone from sending a pstn number to my expressway? How does it
> authenticate the Webex devices to pass calls to CUCM for?
>
>
>
> Customer has enterprise licensing, so they should be able to do whatever
> they want...
>
>
>
>
>
> Jonathan
>
>
>
>
>
>
>
> On Wed, May 15, 2019 at 6:16 PM Ryan Huff <ryanhuff at outlook.com> wrote:
>
> You’ll need a specific Webex DNS zone and the traversal trunk really just
> needs to support pre-loaded route headers and SIP parameter preservation
> (those are the most significant differences over the traversal / neighbor
> zone you might have setup for B2B).
>
>
>
> It’s a simple enough configuration, but there are a few more moving parts
> than what the marketing may lead one to believe. Here is the configuration
> documentation:
> https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/callservices/cmgt_b_ciscospark-hybrid-call-service-config-guide.html
> <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cisco.com%2Fc%2Fen%2Fus%2Ftd%2Fdocs%2Fvoice_ip_comm%2FcloudCollaboration%2Fspark%2Fhybridservices%2Fcallservices%2Fcmgt_b_ciscospark-hybrid-call-service-config-guide.html&data=02%7C01%7C%7C9379fa8f35284f2e6bfc08d6d9a6a4be%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636935707083052566&sdata=IqckJHIvkNb6K%2BisMklzbeQGcw0P1tT9oTr8x98t5cw%3D&reserved=0>
>
>
>
> Oh and don’t forget to enable MTLS on the edge and also be aware the
> ControlHub now requires CCM 11.5.1SU3 or better (it detects CCM version via
> call connector on Exp-C). It wouldn’t allow you to enable hybrid calling on
> cloud registered devices otherwise.
>
>
>
> You can technically still get away using Expressway 8.11.4, but that’ll
> soon be a deprecated version for hybrid calling (you’ll get an alarm about
> it), so might as well go to 12.5.2 and be done with it.
>
>
>
> BTW, if you try to upgrade an 8.x Expressway to 12.5.x, you will interact
> with GLO for the 12.x release key (can’t do it from the self service portal
> because the existing 8.x virtual license is already associated to a PAK and
> GLO has to invalidate that relationship first, then hash your new keys to
> 12.5.x).
>
>
>
> Good Luck!
>
>
>
> - Ryan
>
>
> On May 15, 2019, at 18:42, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>
>
>
> Very good question. From what I understand, there’s a special traversal
> link built and it’s all “built-in” and uses the CSS of the remote
> destination or something like that.
>
>
>
> I’ve read absolutely zero docs about this. This is all based on a quick
> convo I had. I had the same worries and if I recall correctly, my worries
> were somewhat alleviated.
>
>
>
> However, that being said, there is only one template in control hub, so if
> your user needs a different setup on their remote destination (or something
> like that) you need to go make a manual change.
>
>
>
> It’s sorta like how there’s only one licensing template in control hub for
> new users. We’re gonna struggle with that. We might have to engage
> (professional) services which make uses of APIs to assign different
> services for different users in webex. But I digress.
>
>
>
> *-sent from mobile device-*
>
>
>
>
> *Lelio Fulgenzi, B.A.* | Senior Analyst
>
> Computing and Communications Services | University of Guelph
>
> Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON |
> N1G 2W1
>
> 519-824-4120 Ext. 56354 <519-824-4120;56354> | lelio at uoguelph.ca
>
>
>
> www.uoguelph.ca/ccs
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>
>
>
> *Error! Filename not specified.*
>
>
> On May 15, 2019, at 5:20 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> Enabling Cisco hybrid call and routing calls to the PSTN using local
> gateway (via Expressway C/E pair).
>
>
>
> What search rules do we need on the E and C?
>
>
>
> How do we prevent toll fraud if we have E.164 patterns inbound on our
> Expressways?
>
>
>
> Am I being paranoid?
>
>
>
>
>
> Jonathan
>
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