Bug in UCDialplans North American Rulesets

I was troubleshooting an issue where people couldn’t dial US/CA toll-free numbers in Teams the other day, when using Direct Routing. Initially, the root issue wasn’t that easy to solve,…

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North American Call Authorization Tricks

Almost every country in the world has a dedicated country code assigned to it for telephony purposes (see countrycode.org for a full list). There is one very large exception to…

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Using the Lync Optimizer to Configure a Single Multi-Country SIP Trunk

As SIP trunking becomes more reliable and trusted, companies are taking advantage of the ability to consolidate standard PSTN phone lines from multiple office locations into a single SIP trunk….

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Dealing with Trunk Prefixes in Phone Numbers in Skype for Business

First of all, I spend far too much time thinking about dial rules. For those who don’t know, a trunk prefix is a number (or numbers) that typically has to…

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