One of the most challenging aspects of writing for speech is optimising text to be read aloud and recorded. On paper, long, complex sentences are easily accommodated. When read out aloud, the same sentences can sound awkward and confusing.
Last but not least a slogan or branding: this is really more important for new customers and people that are calling or leaving a voicemail for the first time rather than returning ones (though it helps a little with them too!). A catchy phrase makes it easier for people to remember your name and recognize you when you give them a call back.

It's as much a truth with residential phone service as it is with business communications, though those numbers are much lower. Voice over Internet Protocol (VoIP) phone service provider Vonage reported in April that voicemail deposits among its residential customers had dropped by 8 percent since October 2013, and retrieved messages were down 14 percent.
5.) Caros clientes, nosso escritório estará fechado de 24 de dezembro a 2 de janeiro. Você pode nos contatar, como de costume, na segunda-feira 05 de janeiro. Desejamos a você e sua família um Feliz Natal e um feliz ano novo.