[cisco-voip] sccp registration if IOS router left at sccp keyword version 4.1

[Ryan Ratliff]

It wouldn't.

Basically with the sccp version mismatching you can expect one of three things to happen.
1. No dspfarm media resources will register.
2. They will register, but calls will fail.
3. They will register, some calls will work, others will fail in strange and unpredictable ways.  

This one is guaranteed to happen every time.
4. TAC will yell at you to upgrade your IOS.

-Ryan

On Jun 9, 2010, at 2:42 PM, Jason Aarons (US) wrote:

> But this is for conferencing and transcoding, how would that impact the 7965 registration process?
>  
> From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca] 
> Sent: Wednesday, June 09, 2010 2:35 PM
> To: Jason Aarons (US)
> Cc: cisco-voip
> Subject: Re: [cisco-voip] sccp registration if IOS router left at sccp keyword version 4.1
>  
> i couldn't get a 7965 registered without the v7.1 keyword.
> 
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it. 
>                               - LFJ (with apologies to Mr. Popeil)
> 
> 
> ----- Original Message -----
> From: "Jason Aarons (US)" <jason.aarons at us.didata.com>
> To: "cisco-voip" <cisco-voip at puck.nether.net>
> Sent: Wednesday, June 9, 2010 2:25:44 PM GMT -05:00 US/Canada Eastern
> Subject: [cisco-voip] sccp registration if IOS router left at sccp keyword version 4.1
> 
> 
> What happens if a router is left running with keyword version 4.1 but you upgrade Callmanager to 7.1(3b)SU2 ? I can’t seem to tell a problem, it looks like conf and transcoder stay registered, but surely there must be a reason the keyword got updated, etc.
>  
> Older verion IOS 2811
> sccp
> sccp local fastethernet0/0
> sccp ccm 10.10.55.133 priority 1 version 4.1
> sccp ccm 10.10.55.132 priority 2 version 4.1
>  
>  
> Once you upgrade to 12.4.15 or higher you get keyword 7.0+
> sccp
> sccp local fastethernet0/0
> sccp ccm 10.10.55.133 priority 1 version 7.0+
> sccp ccm 10.10.55.132 priority 2 version 7.0+
>  
>  
>  
> RouterTestIOS15-01(config)#sccp ccm 10.10.55.133 priority 1 version ?
>   3.0    Select CCM 3.0 version or above
>   3.1    Select CCM 3.1 version or above
>   3.2    Select CCM 3.2 version or above
>   3.3    Select CCM 3.3 version or above
>   4.0    Select CCM 4.0 version or above
>   4.1    Select CCM 4.1 version or above
>   5.0.1  Select CCM 5.0.1 version or above
>   6.0    Select CCM 6.0 version or above
>   7.0+   Select CCM 7.0 version or above
>  
>  
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