[cisco-voip] sip & cube question

[Anthony Holloway]

I see you've had a few CUBE questions in to the list recently.  I recommend
you start here, and read as much as you can stomach:

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/configuration/cube-book/voi-cube-overview.html

On Wed, Mar 25, 2015 at 9:11 PM, Barry Howser <bhowser5050 at gmail.com> wrote:

> 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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