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)....

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 fr...

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) tha...

Testing Inbound PSTN Connectivity Directly from Lync/Skype for Business

File this one under "It's obvious once you think about it for even a second"... I was recently attempting to get a SIP trunk w...

Selective Caller ID Blocking in Lync/Skype for Business

Once in a while, a customer asks how they can block caller ID on outgoing calls in Lync/Skype for Business. If they're interested in blo...

Lync Enterprise Voice Misconceptions #3 - Inter-trunk Routing

During my travels across the Lync Enterprise Voice landscape, I come across numerous Lync deployments that make some fundamental mistakes in...

Location-Based Routing without Inbound Call Restrictions

The February 2013 Update for Lync Server 2013 (CU1) added location-based routing to the Lync Enterprise Voice featureset. As described on Te...

Inter-trunk Routing in Lync 2013

Introduction - What is Inter-trunk Routing? Inter-trunk routing is a new feature in Lync 2013 that allows Lync Server to be the central call...

Least-Cost/Failover Routing in the Lync Dialing Rule Optimizer

The Lync Dialing Rule Optimizer tries to take care of all the Enterprise Voice configuration necessary for all deployments.  On most fronts...

Lync Enterprise Voice Best Practices - Usages and Routes

Over the past while, I've typed some lengthy posts about the importance of http://androidtabletgadgets.blogspot.com /2010/12/enterpris...