Straight-talking, in writing

The Simwood blog.

Telecoms, AI in the call path, network engineering and the occasional strong opinion. Several times a week since 2009.

Vulnerability in WiFi WPA2 (and VoIP encryption)

When people say that ‘encryption is pointless‘ with regards to VoIP calls, isn’t it a good job that they’re only ever using VoIP in a closed, secure…

End-user connectivity from Simwood

Regular readers will know the lengths we’ve gone to maximise the performance and uptime of our network. We operate nationally, and deploy the lowest…

GC4 999 Fees and Services

If you’re operating a PECS or PECN service in the UK you must comply with the General Conditions. One of these is GC4, providing access to the Emerge…

CommCon 2018

By Simon Woodhead We’re delighted to confirm we’re the first Platinum Sponsor of a whole new telephony event in 2018 – CommCon. Almost a year ago, Da…

See you at Astricon 2017

We’ll be at Astricon again next week, speaking as usual, but for the first time exhibiting too following our US expansion. Do stop by to say hello an…

New stack update

We’re seeing broadly 10% of traffic using our UK beta stack on an ongoing basis. This is a great result and we’re very grateful to the customers who…

Our talk at LINX98 – SDN without the BS

We’re hiring!

Now we’re in our new home in Bristol we’re looking to fill some vacancies and grow our team, with more awesome people. We now have vacancies for: Sen…

We’ve Moved!

Thanks to the amazing work of our team, our move from Southampton to Bristol on Friday went incredibly smoothly and we’re now ensconced in our new bu…

We’re now a CLEC in the USA!

By Simon Woodhead TL;DR We’re now registered as an infrastructure-based CLEC in the United States. This gives us many powers in law to build out infr…

Operations Desk – Friday 1st September

As we announced last month, Simwood is moving to Bristol. Whilst there’s still a lot of work ahead with our new look offices taking shape over the ne…

Unbundled Tariff Numbers

Non-Geographic Numbers The UK National Numbering Plan has a huge range of numbers and most of our customers’ numbering requirements are met by our 01…