[cisco-voip] 7940/60 and 7912 SIP image for CCM Questions

[Jason Burns]

I don't really recommend moving to SIP on your IP Phones. From my personal
experiences, these phones "just work" with SCCP. With SIP there are so many
"gotchas" and caveats that I wouldn't think it is worth the hassle just to
use "Open Standards".

All you'll get is a warm fuzzy feeling and higher long term support costs.

If there is no mandate from on high to use SIP - then stick with SCCP.


On Wed, Dec 17, 2008 at 9:54 AM, Jorge L. Rodriguez Aguila <
jorge.rodriguez at netxar.com> wrote:

>  I have a Customer that wants to start moving to Open Standards and wants
> to move his phones which support SIP to SIP and leave the older not
> supported models on Skinny until he starts replacing them with newer models.
> I see that there is a CCM SIP image for the 7940/60. Is there anything
> special needed to support these phones on the CCM as you need with native
> SIP phones like say Linksys or do they just behave like their skinny based
> counterparts? I guess my question is, do I still need to use stuff like the
> NTP reference instead of the CCM time group or create special MTPs for these
> phones as I would need for other SIP devices? Also I see there is a CCM SIP
> image as well for the 7912 but it says CCM 5.0.4 only, has anyone tested
> this fw with ccm 6.1.2?
>
>
>
> Thanks in advance for the Help;
>
>
>
> Jorge Rodríguez Aguila
>
> CCNA,CCVP,CRMCS,CIPCES
>
> Senior Voice/Data Network Consultant
>
> Netxar Technologies
>
> jorge.rodriguez at netxar.com
>
> Office 787-765-0058
>
> PCS 787-688-8530
>
> [image: netxar]
>
>
>
> _______________________________________________
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>
>
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