[cisco-voip] VG224 / SCCP / Modem

[Andrew Dignan]

I am having trouble finding this in the 12.4 release notes.  Do you have a
link that states this?


> This is inaccurate.
>
> Using 4.1(3) with VG224 under 12.4T you can use modem/faxes with SCCP.
>
> I've had a VG224 with stcapp (SCCP) running for 2 months with no issues.
> My VG24 is co-located on a lan with the T1 CAS gateway.
>
> Clock slips/errorrs via show controller t1 will kill modems/faxes.  Check
> your clocking, etc.
>
> ________________________________
>
> From: cisco-voip-bounces at puck.nether.net on behalf of Andrew Dignan
> Sent: Tue 6/20/2006 10:01 PM
> To: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] VG224 / SCCP / Modem
>
>
>
> The VG224 using the SCCP image does not support fax/modems:
>
> http://www.cisco.com/en/US/partner/products/sw/voicesw/ps556/prod_release_note09186a008041df56.html
>
> ------------------------------------------------
> *Fax and modems are not supported on FXS ports with SCCP enabled. FXS
> ports with either fax or modems attached should be configured in H.323 or
> SIP mode.
> -------------------------------------------------
>
> andy dignan
>
>> You can plug a cheap analog phone into that VG224 and after the same x
>> minutes get disconnected? Verify you can reproduce the problem.
>>
>> Open a TAC case, sounds like you need some debugs, SDL traces, takes
>> -jason
>>
>> ________________________________
>>
>> From: cisco-voip-bounces at puck.nether.net on behalf of Jeff Anderson
>> Sent: Tue 6/20/2006 12:50 PM
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] VG224 / SCCP / Modem
>>
>>
>> Question:
>>
>> I have a client who is using a VG224 that is configured to use SCCP on
>> CCM
>> 4.1. The majority of the ports are used for modems but there are
>> devices
>> that need skinny features as well. The problem is the modem calls fail
>> after a random amount of time. It could be anywhere from 5 - 30
>> minutes.
>> That same modem plugged directly into a 1FB will have no reliability
>> issues.
>>
>> I have searched Cisco's website and their forums looking for some
>> configuration guidelines for modem usage and found nothing. Does anyone
>> have any advice to offer?
>>
>> Thanks,
>> Jeff Anderson
>>
>>
>>
>>
>>
>>
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