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.

New UK number ranges

We have today enabled our latest OFCOM allocations of over 238,000 new DDIs and non-geographic numbers. The additions include the UK Nationwide 03 nu…

Case Study: Fluency Communications

We’re delighted to present the first in a series of customer Case Studies. Fluency Communications are a Scottish ISP making use of a wide selection o…

Now peering on LINX

We’re continuously investing in our IP network to ensure that it is the best it can be. We’re determined that anyone doing VoIP business wants to be…

Special Offer: 100Mb IP Transit for £300 per month

We’re delighted to offer a special rate for IP Transit orders placed before September 30th 2011. Enjoy a 100Mb port on our voice-optimised network in…

Darknet analysis: IP Reputation is the best defence

When we introduced our Darknet a few weeks ago we commented how shocking the level of traffic it was receiving it was. Keep in mind, the Darknet comp…

SIP Security Alert: Relay using ENUM

Our SIP honeypot sprung last night on hackers out of Palestine. On the face of it their attack was very typical – OPTIONS request, dictionary REGISTE…

An Introduction to the Simwood SIP Honeypots

Last week we introduced you to our Darknet which is doing an excellent job in identifying sources and types of general dirty traffic on the Internet…

An Introduction to the Simwood Darknet

As part of our security solution Simwood operates both Darknets and Honeypots. I’d like to introduce you to the Darknets today and some of our findin…

Win an iPad2!

We’re a little bit late to the Twitter party and keen to build our followers! So, follow @simwoodesms and you could win an iPad 2! To enter, simply f…

Is your VoIP system open to attack?

Our friends at UM Labs have posted an excellent video demonstration of some SIP specific security threats which we wanted to share with you. Is your…

Simwood launches DDoS Security solution

As you may have read in the press, we have today launched our DDoS and Security service. If not, you can read the press release or see an overview on…

Customer Portal Upgrade

We have today released a new version of our customer portal and think you’ll love the new features. This release centres almost entirely on number pr…