asterisk users - Jul 2004 - DTMF stops working w/ Voicemail

Hello,

I have some reports from users that occasionally DTMF will stop working in
voicemail and they will have to exit the system to get it to work again.
The useragents are Polycom IP 500's and I am using dtmfmode=rfc2833, with
Ulaw codec.  This is all on an internal switched 100mb lan.

Has anyone else seen anything like this?

Thanks,

- Brent

On Fri, 23 Jul 2004, Brent Franks wrote:
> Hello,
>
> I have some reports from users that occasionally DTMF will stop working in
> voicemail and they will have to exit the system to get it to work again.
> The useragents are Polycom IP 500's and I am using dtmfmode=rfc2833,
with
> Ulaw codec.  This is all on an internal switched 100mb lan.
>
> Has anyone else seen anything like this?
I have noticed it before, but haven't seen any way to reproduce the
problem. Using Cisco phones with OOB dtmf.

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On Friday 23 July 2004 12:21 pm, Brent Franks wrote:
> Hello,
>
> I have some reports from users that occasionally DTMF will stop working in
> voicemail and they will have to exit the system to get it to work again.
> The useragents are Polycom IP 500's and I am using dtmfmode=rfc2833,
with
> Ulaw codec.  This is all on an internal switched 100mb lan.
>
> Has anyone else seen anything like this?
>
> Thanks,
>
> - Brent
Funny, that's one of the symptoms I've had with Grandstream. I thought
it to
be the Grandstream as my Snom does not show the same thing.

- -- 
Steve

"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
                                Benjamin Franklin

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Brent Franks wrote:
> I have some reports from users that occasionally DTMF will stop working in
> voicemail and they will have to exit the system to get it to work again.
> The useragents are Polycom IP 500's and I am using dtmfmode=rfc2833,
with
> Ulaw codec.  This is all on an internal switched 100mb lan.
> 
> Has anyone else seen anything like this?
Confirmed...   Happens intermittently with Cisco 7960 phones for the 
past two weeks.  I haven't been able to identify what causes it to occur.