[cisco-voip] sip & cube question

[Barry Howser]

Thanks for the no-nonsense answers Anthony, you have been a big help!

On Wed, Mar 25, 2015 at 9:58 PM, Anthony Holloway <
avholloway+cisco-voip at gmail.com> wrote:

> 1) RTU, nothing to add to the router (just like SRST)
> 2) The 100 sessions is for any supported codec. If Cisco says a 2911 can
> do 100 sessions, they mean it. It's not: "well, it's 100, but only if
> you're using g729"
>
> Check the data sheet for CUBE session limits per platform:
>
>
> http://www.cisco.com/c/en/us/products/collateral/unified-communications/unified-border-element/data-sheet-c78-729692.html
>
> Now, if you're wondering about layering on other services: routing
> protocol, http server, tufts server, PRI, MGCP, H323, transcoding,
> Firewall, VPN, etc, etc, etc, then that's a different story and I'm not
> sure if Cisco will provide you with a tool that will evaluate your router
> to see if it's CUBE-able or not.  I would think that anything above 200
> sessions is pretty significant and I would lobby for a dedicated device.
> You can see that this question is address here, but with no specifics:
>
>
> https://supportforums.cisco.com/document/69976/frequently-asked-questions-cisco-unified-border-element-cube#Q11:_Does_CUBE_have_to_be_run_on_a_dedicated_devicerouter
>
> On Wed, Mar 25, 2015 at 8:09 PM Barry Howser <bhowser5050 at gmail.com>
> wrote:
>
>> Thanks, that helps!
>>
>> So when it comes to calculating number of SIP sessions that can be
>> supported ... lets use your example of100 sessions;
>>
>> 1.) So if I bought 100 sessions, that is just an RTU right? Or is it an
>> actual license I have to add to the router?
>> 2.) Say I'm doing all g.711ulaw, how I am verifying that my ISR can
>> physically support that? Is there a magic Cisco calculator like there is
>> for DSP?
>>
>> thanks,
>>
>> -LostInTheWeeds
>>
>> On Wed, Mar 25, 2015 at 6:56 PM, Anthony Holloway <
>> avholloway+cisco-voip at gmail.com> wrote:
>>
>>> You don't need the mod border-element command in order for a router to
>>> have CUBE turned on.  Simply having the UC license and allowing voip to
>>> voip connections gets you CUBE functionality.  The mode border-element
>>> command does have it's purposes, for example CUBE HA, and Local Transcoding
>>> Interface (LTI).
>>>
>>> 1) Honor based licensing, and you can police it yourself with commands
>>> on your dial peers (it's part of the CAC functions of CUBE)
>>> 2) First you start with hardware, and then you look at licensing.  So,
>>> if my router can do 100 Sessions, but I only bought 50, then the limit is
>>> 50.
>>> 3) Correct.  E.g., A single employee makes a single PSTN call from their
>>> single IP Phone. That's two VoIP legs on the CUBE, but only one CUBE
>>> session.
>>>
>>>
>>>
>>> On Wed, Mar 25, 2015 at 4:54 PM Barry Howser <bhowser5050 at gmail.com>
>>> wrote:
>>>
>>>> Trying to wrap my head around how cube manages sip sessions.
>>>>
>>>> So when a router is in cube mode (mode border-element);
>>>>
>>>> 1.) How are sessions policed? Is it an honor system or is there a
>>>> functional restriction?
>>>> 2.) What determines how many sessions are supported, licensing or
>>>> resources or both?
>>>> 3.) A single connected call represents one session, correct?
>>>>
>>>>
>>>> thanks.
>>>> _______________________________________________
>>>> cisco-voip mailing list
>>>> cisco-voip at puck.nether.net
>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>
>>
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