[cisco-voip] Change WAV format

[Carter, Bill]

Message Store Manager is very useful for reporting on message storage  
reporting.

Sent from my iPhone

On Apr 21, 2010, at 6:34 PM, "Loren.Gray"  
<Loren.Gray at twinriversusd.org> wrote:

> Thank you for the information, I found the whitepaper to be very  
> informative. I also believe it would be more beneficial to manage  
> exchange disk usage through a policy related to message storage.
>
> Thanks again,
>
> Loren Gray
> Network Specialist
> Twin Rivers Unified School District
> Sacramento, CA 95652
> 916-286-5150
>
>
> -----Original Message-----
> From: pat at wcyv.com [mailto:pat at wcyv.com] On Behalf Of Pat Hayes
> Sent: Wednesday, April 21, 2010 3:58 PM
> To: Loren.Gray
> Cc: Haas, Neal; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Change WAV format
>
> Switching to a codec of sufficiently low bitrate to save you any space
> is going to have a very noticeable impact on your recording quality
> that will be especially apparent when heard between the studio
> recorded G711 prompts from Unity :-) Disks are cheep these days, is it
> not possible to upgrade the Exchange server? Also note that if you do
> change the recording codec it won't do anything to all of the existing
> messages stored on your Exchange server. Perhaps you'd be better
> served by implementing a message aging policy to clear out messages
> older then x days. Lastly, ensure that your nightly exchange tasks are
> running. If they don't, you won't reclaim the disk space from deleted
> mailboxes, etc.
>
> If you still want to change your recording codec, take a look at this
> doc. It give you the procedure as well as some of the pros and cons of
> each codec (average size, whether codec is included in default windows
> install or with vmo, etc):
>
> http://www.cisco.com/en/US/docs/voice_ip_comm/unity/white/paper/cuaudiocodecs.html#wp60847
>
> -Pat
>
> On Wed, Apr 21, 2010 at 5:22 PM, Loren.Gray
> <Loren.Gray at twinriversusd.org> wrote:
>> Neal,
>>
>>
>>
>> I am looking to change the format of the audio files when someone  
>> leaves a
>> voicemail. When I go into Unity tools depot and use the set record  
>> format I
>> am looking at several options. I am currently using:
>>
>> CCITT u-Law
>>
>> 8.000 kHz, 8 Bit, Mono 7kb/sec
>>
>>
>>
>> I am looking at the other formats; for example, Windows Media Audio  
>> V2
>> records at less than a kb per second.
>>
>>
>>
>> I am looking to reduce the amount of space voicemails are taking up  
>> on
>> exchange.
>>
>>
>>
>> Loren Gray
>>
>> Network Specialist
>>
>> Twin Rivers Unified School District
>>
>> Sacramento, CA 95652
>>
>> 916-286-5150
>>
>>
>>
>> From: Haas, Neal [mailto:nhaas at co.fresno.ca.us]
>> Sent: Wednesday, April 21, 2010 1:04 PM
>>
>> To: Loren.Gray; 'cisco-voip at puck.nether.net'
>> Subject: RE: [cisco-voip] Change WAV format
>>
>>
>>
>> If you are trying to make them smaller, use the G.711 A-Law, G.711  
>> Mu-Law
>> are the ones that you want. Please not the will most likely lose  
>> some call
>> quality. Let us know what software you are going to use, I might  
>> need to do
>> a few files myself.
>>
>>
>>
>> How many files are you going to convert?
>>
>>
>>
>> Neal Haas
>>
>>
>>
>> From: cisco-voip-bounces at puck.nether.net
>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Miller,  
>> Brinis
>> Sent: Wednesday, April 21, 2010 12:06 PM
>> To: Loren.Gray; cisco-voip at puck.nether.net
>> Subject: Re: [cisco-voip] Change WAV format
>>
>>
>>
>> Loren,
>>
>>
>>
>> Check the Cisco Unity Connection System Administration Guide for  
>> your setup
>>
>>
>>
>> Brinis Miller
>>
>>
>>
>> From: cisco-voip-bounces at puck.nether.net
>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Loren.Gray
>> Sent: Wednesday, April 21, 2010 2:50 PM
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] Change WAV format
>>
>>
>>
>> I have been tasked with making the voicemail WAV files smaller.  
>> Does anyone
>> have any recommendations on which format to use? I do not want to  
>> change it
>> and cause issues for the clients.
>>
>>
>>
>> Loren Gray
>>
>> Network Specialist
>>
>> Twin Rivers Unified School District
>>
>> Sacramento, CA 95652
>>
>> 916-286-5150
>>
>>
>>
>>
>>
>>
>>
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>>
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