If at a later time you do not want to use faxing, or decide to use a different dial plan, it can be
disabled using the same cmdlet with the $false option. During our initial implementation of Unified
Messaging a lot of testing was done with different audio codecs. UM has three options available:
G711, WMA, and GSM. Each codec has a different sampling rate and will result in a different size of the
voice mail file attachment. By default this is set to WMA, but you may need to change it to compensate
for poor voice quality or latency issues. To change the audio codec, you pass one of the three options,
G711, WMA, or GSM, to the AudioCodec parameter. If you want to change the list of users that
someone can choose from when they call in and try to dial by name, you use the ContactScope
parameter. This parameter has five options to choose from: DialPlan, GlobalAddressList,
Extension, AutoAttendantLink, and AddressList . By default the mailbox users that are
included in the dial plan.
UM administrators will want to configure the country or region code ( CountryOrRegionCode ) as well
as the international access code ( InternationalAccessCode ) to allow for international dialing or
dialing outside of your area. This does not need to be configured for area codes in the United States.
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