[cisco-voip] VoIP over Hardware VPN

[Larry Hadrava]

Jim:
I would check your allowed network lists on the VPN setup. You may be
allowing the subnets for the CUCM and Unity servers but possibly not the
DHCP subnet that the phone you are trying to call.

I am assuming that your voice servers are in a different subnet than the IP
phone at your house and on the other end.

Thanks
Larry Hadrava
CCIE #12203 CCNP CCNA
Sr. Support Engineer – IPexpert, Inc.
URL: http://www.IPexpert.com


On Thu, May 28, 2009 at 8:43 PM, Jim Reed <jreed at swiftnews.com> wrote:

> The phone is sitting here in my house and I can ping it from my computer at
> my house.  I can do an extension to extension call and leave voicemail which
> goes through.  However, if I do an extension to extension call or make an
> outside call from or to the IP phone via the telco then I see no rx traffic.
>  Thank You...
>
>
> On 5/28/09 6:11 PM, "Craig Staffin" <craig at staffin.org> wrote:
>
> Jim,
>
> Keep in mind that the RTP traffic does not flow from phone to CUCM to
> phone.  So you would actually need to make sure you can ping the phone from
> your hours and vise versa.
>
> Craig
>
>
> On Thu, May 28, 2009 at 7:05 PM, Jim Reed <*jreed at swiftnews.com*> wrote:
>
> *Okay, hate to be a pain but the phone is registered and when I call one
> of our main locations and enter the extension the phone rings at my house
> but am getting no voice on my end.  Seeing tx traffic on the phone
> statistics but no rx traffic.  Any thoughts?  Routing all seems to be in
> place.  I can ping the phone from the Call Manager and can ping the Call
> Manager from my home.  Have the phone in the same calling search space,
> location, etc., as the Call Manager it’s registering to.  It’s showing a
> g711 codec.
>
> Thanks in advance for any advice...
> *--
> Jim Reed
> Technology Wrangler
> Swift Communications, Inc.
> 970-683-5646 (Direct)
> 970-683-5650 (Fax)
>
>
> On 5/28/09 3:48 PM, "Wes Sisk" <*wsisk at cisco.com*> wrote:
>
> It depends on your setup.  If you are doing address translation then you
> must have it enabled.
>
> If you are not doing address translation and do not dynamic port allocation
> (basically if you have permit ip any any) then you need to have it disabled.
>
> So, engineer's favorite answer - it depends.
>
> /Wes
>
> On Thursday, May 28, 2009 3:56:48 PM, Jim Reed <*jreed at swiftnews.com*> <*
> mailto:jreed at swiftnews.com <jreed at swiftnews.com>*>  wrote:
>
> Re: [cisco-voip] VoIP over Hardware VPN *Thanks, Lelio.
> Are you referring to turning it on or turning it off!
>  *--
> Jim Reed
> Swift Communications, Inc.
> 970-683-5646 (Direct)
> 775-772-7666 (Cell)
>
>
>
> On 5/28/09 1:55 PM, "Lelio Fulgenzi" <*lelio at uoguelph.ca*> <*
> mailto:lelio at uoguelph.ca <lelio at uoguelph.ca>*>  wrote:
>
>
>
> I think the biggest thing is "sccp fixup"....
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Jim Reed" <*jreed at swiftnews.com*> <*mailto:jreed at swiftnews.com<jreed at swiftnews.com>
> *>
> To: *cisco-voip at puck.nether.net*, *ask-icd-ivr-support at external.cisco.com
> *Sent: Thursday, May 28, 2009 3:44:45 PM GMT -05:00 US/Canada Eastern
> Subject: [cisco-voip] VoIP over Hardware VPN
>
> VoIP over Hardware VPN *Anyone have any hints, tips, suggestions,
> comments, concerns, etc., regarding running a single IP phone over a
> hardware-to-hardware VPN.  I've tried it in the past but could only seem to
> get voice going in one direction.  It's been a while and I'm going to give
> it another shot.  Will be working with ASA 5505 on one and ASA 5510 on the
> other.  Call Manager 4.x.  Probably a 7940 or 7960 phone.  Internet
> connections are 15-Meg-Over-Ethernet on one end and 10-Meg-Over-Ethernet on
> the other.  Current ping times between devices on the two ends are
> consistently very fast -- less than 100ms over extended ping tests.
>
> Any advice, anecdotal wisdom, personal experience, etc., that anyone has
> had in trying to do this is sincerely welcome and appreciated.
>
> Thank You...
>
> *
>
>
>
>
>
>
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>
> --
> Jim Reed
> Technology Wrangler
> Swift Communications, Inc.
> 970-683-5646 (Direct)
> 970-683-5650 (Fax)
>
>
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