I personnaly always thought that service loops where a sign of "ah, I don't feel like pulling all that cable down the wall" I typically only leave one if it is an exceptionally long pull, or hard to fish wall. I have only used one a couple of times.
Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
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