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CUCM 8.5 and Skype connect

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euan at mcgregor

Apr 25, 2012, 5:54 AM

Post #1 of 12 (1323 views)
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CUCM 8.5 and Skype connect

Hi,

Has anyone got any experience setting up Skype Connect SIP trunk on CUCM 8.5. I have a customer who is interested in this type of SIP trunk. I have tried to test this in our labs with little success. Can anyone provide sample config or advice for setting this up?

Any help appreciated.

Best Regards,
Euan Campbell McGregor

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miwilusz at cisco

Apr 25, 2012, 6:41 AM

Post #2 of 12 (1284 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

Euan,

I've seen others use Skype SIP for trunking to Cisco UCM. Are you using a
CUBE or other SIP SBC to connect to the carrier, or are you attempting to
direct connect the trunk to CUCM?

-mike

On 4/25/12 8:54 AM, "Euan McGregor" <euan [at] mcgregor> wrote:

>Hi,
>
>Has anyone got any experience setting up Skype Connect SIP trunk on CUCM
>8.5. I have a customer who is interested in this type of SIP trunk. I
>have tried to test this in our labs with little success. Can anyone
>provide sample config or advice for setting this up?
>
>Any help appreciated.
>
>Best Regards,
>Euan Campbell McGregor
>
>
>
>_______________________________________________
>cisco-voip mailing list
>cisco-voip [at] puck
>https://puck.nether.net/mailman/listinfo/cisco-voip

_______________________________________________
cisco-voip mailing list
cisco-voip [at] puck
https://puck.nether.net/mailman/listinfo/cisco-voip

rkulagow at gmail

Apr 25, 2012, 7:30 AM

Post #3 of 12 (1281 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

On Wed, Apr 25, 2012 at 7:54 AM, Euan McGregor <euan [at] mcgregor> wrote:
> Hi,
>
> Has anyone got any experience setting up Skype Connect SIP trunk on CUCM 8.5. I have a customer who is interested in this type of SIP trunk. I have tried to test this in our labs with little success. Can anyone provide sample config or advice for setting this up?

Today must be the day I point everyone to the archives!

Check the archives for a message called "Why is my CUBE sending my
dial-peers instead of login information to Skype Connect?" I was able
to setup inbound and outbound calls using CUBE, and there's a working
configuration included in the message thread.

_______________________________________________
cisco-voip mailing list
cisco-voip [at] puck
https://puck.nether.net/mailman/listinfo/cisco-voip

euan at mcgregor

Apr 25, 2012, 8:43 AM

Post #4 of 12 (1290 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

Hi Mike,

No customer is not wanting to utilise CUBE if possible and a direct SIP
trunk to CUCM would be desired.

Regards,

Euan

On Wed, Apr 25, 2012 at 2:41 PM, Mike Wilusz (miwilusz)
<miwilusz [at] cisco>wrote:

> Euan,
>
> I've seen others use Skype SIP for trunking to Cisco UCM. Are you using a
> CUBE or other SIP SBC to connect to the carrier, or are you attempting to
> direct connect the trunk to CUCM?
>
> -mike
>
>
> On 4/25/12 8:54 AM, "Euan McGregor" <euan [at] mcgregor> wrote:
>
> >Hi,
> >
> >Has anyone got any experience setting up Skype Connect SIP trunk on CUCM
> >8.5. I have a customer who is interested in this type of SIP trunk. I
> >have tried to test this in our labs with little success. Can anyone
> >provide sample config or advice for setting this up?
> >
> >Any help appreciated.
> >
> >Best Regards,
> >Euan Campbell McGregor
> >
> >
> >
> >_______________________________________________
> >cisco-voip mailing list
> >cisco-voip [at] puck
> >https://puck.nether.net/mailman/listinfo/cisco-voip
>
>

euan at mcgregor

Apr 25, 2012, 8:44 AM

Post #5 of 12 (1285 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

Hi Robert,

Thank you I will have a look in the archives as a reference. Customer would
ideally like to have a direct SIP trunk to CUCM is possible.

Regards,

Euan

On Wed, Apr 25, 2012 at 3:30 PM, Robert Kulagowski <rkulagow [at] gmail>wrote:

> On Wed, Apr 25, 2012 at 7:54 AM, Euan McGregor <euan [at] mcgregor> wrote:
> > Hi,
> >
> > Has anyone got any experience setting up Skype Connect SIP trunk on CUCM
> 8.5. I have a customer who is interested in this type of SIP trunk. I have
> tried to test this in our labs with little success. Can anyone provide
> sample config or advice for setting this up?
>
> Today must be the day I point everyone to the archives!
>
> Check the archives for a message called "Why is my CUBE sending my
> dial-peers instead of login information to Skype Connect?" I was able
> to setup inbound and outbound calls using CUBE, and there's a working
> configuration included in the message thread.
>

cmcglamry at forsythe

Apr 25, 2012, 8:45 AM

Post #6 of 12 (1303 views)
Permalink

Re: CUCM 8.5 and Skype connect [In reply to]

Really bad idea. That means you have to expose your call control platform to outside parties.

Cliff

From: cisco-voip-bounces [at] puck [mailto:cisco-voip-bounces [at] puck] On Behalf Of Euan McGregor
Sent: Wednesday, April 25, 2012 11:43 AM
To: Mike Wilusz (miwilusz)
Cc: cisco-voip [at] puck
Subject: Re: [cisco-voip] CUCM 8.5 and Skype connect

Hi Mike,

No customer is not wanting to utilise CUBE if possible and a direct SIP trunk to CUCM would be desired.

Regards,

Euan
On Wed, Apr 25, 2012 at 2:41 PM, Mike Wilusz (miwilusz) <miwilusz [at] cisco<mailto:miwilusz [at] cisco>> wrote:
Euan,

I've seen others use Skype SIP for trunking to Cisco UCM. Are you using a
CUBE or other SIP SBC to connect to the carrier, or are you attempting to
direct connect the trunk to CUCM?

-mike

On 4/25/12 8:54 AM, "Euan McGregor" <euan [at] mcgregor<mailto:euan [at] mcgregor>> wrote:

>Hi,
>
>Has anyone got any experience setting up Skype Connect SIP trunk on CUCM
>8.5. I have a customer who is interested in this type of SIP trunk. I
>have tried to test this in our labs with little success. Can anyone
>provide sample config or advice for setting this up?
>
>Any help appreciated.
>
>Best Regards,
>Euan Campbell McGregor
>
>
>
>_______________________________________________
>cisco-voip mailing list
>cisco-voip [at] puck<mailto:cisco-voip [at] puck>
>https://puck.nether.net/mailman/listinfo/cisco-voip

NOTICE OF CONFIDENTIALITY:
The information contained in this email transmission is confidential information which may contain information that is legally privileged and prohibited from disclosure under applicable law or by contractual agreement. The information is intended solely for the use of the individual or entity named above.
If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or taking of any action in reliance on the contents of this email transmission is strictly prohibited.
If you have received this email transmission in error, please notify us immediately by telephone to arrange for the return of the original transmission to us.

euan at mcgregor

Apr 25, 2012, 8:52 AM

Post #7 of 12 (1280 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

Hi Cliff,

That is a very good point. The reasoning behind this is the customer has
come from a Mitel deployment which we replaced with CUCM a couple of months
ago. I am not the Mitel guy but my basic understanding is that the SIP
trunk comes directly into the Mitel therefore my customer might still be
thinking along the lines of the Mitel days. It it still possible to attach
the SIP trunk directly?

Regards,

Euan

On Wed, Apr 25, 2012 at 4:45 PM, Clifford McGlamry
<cmcglamry [at] forsythe>wrote:

> Really bad idea. That means you have to expose your call control platform
> to outside parties. ****
>
> ** **
>
> Cliff****
>
> ** **
>
> ** **
>
> ** **
>
> *From:* cisco-voip-bounces [at] puck [mailto:
> cisco-voip-bounces [at] puck] *On Behalf Of *Euan McGregor
> *Sent:* Wednesday, April 25, 2012 11:43 AM
> *To:* Mike Wilusz (miwilusz)
> *Cc:* cisco-voip [at] puck
> *Subject:* Re: [cisco-voip] CUCM 8.5 and Skype connect****
>
> ** **
>
> Hi Mike,****
>
> ** **
>
> No customer is not wanting to utilise CUBE if possible and a direct SIP
> trunk to CUCM would be desired.****
>
> ** **
>
> Regards,****
>
>
> Euan****
>
> On Wed, Apr 25, 2012 at 2:41 PM, Mike Wilusz (miwilusz) <
> miwilusz [at] cisco> wrote:****
>
> Euan,
>
> I've seen others use Skype SIP for trunking to Cisco UCM. Are you using a
> CUBE or other SIP SBC to connect to the carrier, or are you attempting to
> direct connect the trunk to CUCM?
>
> -mike****
>
>
>
> On 4/25/12 8:54 AM, "Euan McGregor" <euan [at] mcgregor> wrote:
>
> >Hi,
> >
> >Has anyone got any experience setting up Skype Connect SIP trunk on CUCM
> >8.5. I have a customer who is interested in this type of SIP trunk. I
> >have tried to test this in our labs with little success. Can anyone
> >provide sample config or advice for setting this up?
> >
> >Any help appreciated.
> >
> >Best Regards,
> >Euan Campbell McGregor
> >
> >
> >****
>
> >_______________________________________________
> >cisco-voip mailing list
> >cisco-voip [at] puck
> >https://puck.nether.net/mailman/listinfo/cisco-voip****
>
> ** **
> NOTICE OF CONFIDENTIALITY:
> The information contained in this email transmission is confidential
> information which may contain information that is legally privileged and
> prohibited from disclosure under applicable law or by contractual
> agreement. The information is intended solely for the use of the
> individual or entity named above.
> If you are not the intended recipient, you are hereby notified that any
> disclosure, copying, distribution or taking of any action in reliance on
> the contents of this email transmission is strictly prohibited.
> If you have received this email transmission in error, please notify us
> immediately by telephone to arrange for the return of the original
> transmission to us.
>

cmcglamry at forsythe

Apr 25, 2012, 8:56 AM

Post #8 of 12 (1268 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

> It it still possible to attach the SIP trunk directly?

Qualified yes. You can, but it means you have to have public addressing on the CUCM cluster so the traffic can get there. This is where a CUBE can really help you out. You can do address hiding, sort of like NAT but for SIP. It hides your internal address space from the provider and solves a ton of other problems. CUBE also terminates the media stream and builds a new one to the internal network so that you don't end up with routing issues associated with voice payload to endpoints.

You may or may not experience these things depending on your setups, but if you have almost any requirements for security in the network, the direct connect model creates security issues.

Cliff

NOTICE OF CONFIDENTIALITY:
The information contained in this email transmission is confidential information which may contain information that is legally privileged and prohibited from disclosure under applicable law or by contractual agreement. The information is intended solely for the use of the individual or entity named above.
If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or taking of any action in reliance on the contents of this email transmission is strictly prohibited.
If you have received this email transmission in error, please notify us immediately by telephone to arrange for the return of the original transmission to us.

rkulagow at gmail

Apr 25, 2012, 9:00 AM

Post #9 of 12 (1275 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

On Wed, Apr 25, 2012 at 10:52 AM, Euan McGregor <euan [at] mcgregor> wrote:
> It it still possible to attach the SIP trunk directly?

Whether something _could_ be done and if it _should_ be done are two
different things. :)
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https://puck.nether.net/mailman/listinfo/cisco-voip

euan at mcgregor

Apr 25, 2012, 9:10 AM

Post #10 of 12 (1275 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

All very valid points that I have never considered. I would rather we
didn't expose the CUCM to the Internet even if it sites behind a firewall.

I will have further conversations with customer and will look in archives
for the CUBE config.

Thanks all for your input and insights.

Regards,

Euan

On Wed, Apr 25, 2012 at 5:00 PM, Robert Kulagowski <rkulagow [at] gmail>wrote:

> On Wed, Apr 25, 2012 at 10:52 AM, Euan McGregor <euan [at] mcgregor> wrote:
> > It it still possible to attach the SIP trunk directly?
>
> Whether something _could_ be done and if it _should_ be done are two
> different things. :)
>

mh at markholloway

Apr 25, 2012, 9:58 AM

Post #11 of 12 (1285 views)
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Re: CUCM 8.5 and Skype connect [In reply to]

Did they manage the Mitel or did they have a vendor managing it? Some IP PBX's (Allworx is a great example) have a basic integrated SIP Proxy firewall for SIP Trunking. Many customers do not even correlate it as something protecting the telephony system.

On Apr 25, 2012, at 12:10 PM, Euan McGregor wrote:

> All very valid points that I have never considered. I would rather we didn't expose the CUCM to the Internet even if it sites behind a firewall.
>
> I will have further conversations with customer and will look in archives for the CUBE config.
>
> Thanks all for your input and insights.
>
> Regards,
>
> Euan
>
> On Wed, Apr 25, 2012 at 5:00 PM, Robert Kulagowski <rkulagow [at] gmail> wrote:
> On Wed, Apr 25, 2012 at 10:52 AM, Euan McGregor <euan [at] mcgregor> wrote:
> > It it still possible to attach the SIP trunk directly?
>
> Whether something _could_ be done and if it _should_ be done are two
> different things. :)
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip [at] puck
> https://puck.nether.net/mailman/listinfo/cisco-voip

euan at mcgregor

Apr 26, 2012, 12:05 AM

Post #12 of 12 (1275 views)
Permalink

Re: CUCM 8.5 and Skype connect [In reply to]

The had another vendor managing it. I am unsure if the Mitels have anything
like that. I would imagine so if the SIP trunk was coming directly from the
unit itself. Although I have not been working with Cisco IPT for long there
is so much to consider and many ways to do things. I will speak to my
customer regarding CUBE today.

Regards,

Euan

On Wed, Apr 25, 2012 at 5:58 PM, Mark Holloway <mh [at] markholloway> wrote:

> Did they manage the Mitel or did they have a vendor managing it? Some IP
> PBX's (Allworx is a great example) have a basic integrated SIP Proxy
> firewall for SIP Trunking. Many customers do not even correlate it as
> something protecting the telephony system.
>
>
> On Apr 25, 2012, at 12:10 PM, Euan McGregor wrote:
>
> All very valid points that I have never considered. I would rather we
> didn't expose the CUCM to the Internet even if it sites behind a firewall.
>
> I will have further conversations with customer and will look in archives
> for the CUBE config.
>
> Thanks all for your input and insights.
>
> Regards,
>
> Euan
>
> On Wed, Apr 25, 2012 at 5:00 PM, Robert Kulagowski <rkulagow [at] gmail>wrote:
>
>> On Wed, Apr 25, 2012 at 10:52 AM, Euan McGregor <euan [at] mcgregor> wrote:
>> > It it still possible to attach the SIP trunk directly?
>>
>> Whether something _could_ be done and if it _should_ be done are two
>> different things. :)
>>
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip [at] puck
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
>

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