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Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

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Audio Dial-Out

One of the key strategies in Lync voice implementations is the notion that organizations don’t need to replace all the existing PBX phones and can instead leverage the Lync dial-in conferencing features with the old phones during a lengthy migration. This worked just fine for users who dialed in to the conferencing service, but there were some serious caveats with the capability to support dial-out from the conferencing service to the PBX phones. Although it was possible, there was no control over what numbers could be dialed within Lync, so businesses had to turn to gateways or the old PBX to provide class of restrictions or number manipulations. The last pain point was the fact that only a single gateway would be targeted in ...

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