We’ve worked with a few clients recently who needed to migrate to a new trunk group for their tandem traffic. Sometimes this is driven by the tandem provider – perhaps they’re simply updating their transport infrastructure and need you to use a new set of trunks, but nothing is really changing except the transport. In… Continue Reading
Residential and business wireline VoIP trends
I read an interesting article from Alianza today where they took some data published by the FCC (the data gets published slowly, so they’re looking at data from Dec 2017 and comparing to Dec 2016) and performed some interesting analysis. There were three items that stood out to me. 1. Surprisingly little VoIP is over-the-topOnly 25% of business VoIP lines use an over-the-top… Continue Reading
Is your spare Metaswitch CPU card a two-headed monster?
Imagine the scenario: You have a sturdy, long-running VP2510 chassis providing quality phone service for thousands of subscriber lines. Then one day you get an alarm about a hardware failure – one of your processor cards (CPU cards) has failed. Of course this is annoying, but no big deal because the Metaswitch chassis is redundant,… Continue Reading
The Ultimate Metaswitch Hardware Guide 2019
Do you know the difference between a VP3510 and a CH6010D? What about a UX4410 vs a GX6340? More importantly, do you understand Metaswitch’s hardware strategy and what it means for your existing and future network? Before I start, I should warn you that this article could easily go off the rails. Here’s why. I… Continue Reading
Traffic Pumping and the Case of the Phantom Caller
How’s this for a trouble ticket? “A woman in New Jersey is getting strange phone calls to her office from unknown numbers. Every time she picks up, she finds herself eavesdropping on the life of a different stranger.” A friend (thank you Matt) recommended I listen to an episode of the Reply All podcast that… Continue Reading
An alien area code is invading – does the latest NPA overlay affect you?
In this article I’ll be reviewing the most recent NPA overlay announcement from the North American Numbering Plan Administration (NANPA) and more generally, I’ll be discussing what it means if an NPA overlay is announced within your state – what will happen, and what does an affected telco need to do about it? A couple… Continue Reading