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API

Realtime Call Webhooks

Realtime Call Webhooks

We recently introduced a number of webhooks, and realtime Call Control functionality allowing you to end calls in progress via the API.…

API Call Control

The Simwood API is great for provisioning and reporting as…

Intelligently Rejecting Nuisance Calls since 2014

Back in 2014, we launched Intelligent Call Rejection, a Simwood…

CDR Data Retention

One of the key principles of GDPR is Data Minimisation.…

Commercial

Carrier Services rate update (2023-06-07)

Carrier Services rate update (2023-06-07)

We will be updating our Managed A-Z Termination rates and codes on June 7th 2023. As usual, these changes are colour coded…

2022 accounts

By Simon Woodhead We’ve just filed 2022’s accounts for Simwood…

International Telecoms Week (ITW) 2023

By Simon Woodhead ITW takes place in Washington DC in…

FTR/MTR increases

By Simon Woodhead The annual revision to carrier interconnect rates…

Intelligent Solutions

Zero Defect Routing

Zero Defect Routing

By Simon Woodhead There’s a story about our termination which we’ve been pretty poor at telling! I’d like to try and address…

Microsoft Teams on YOUR numbers

By Simon Woodhead Love it or hate it, Teams is…

UK Emergency Alerts Test

On Sunday 23 April at 3pm the government will be testing Emergency Alerts. This…

Trunk routing config (and more) now live

By Simon Woodhead When we did the Carrier Services pricing…

IP Network

Hello Old Friend

Hello Old Friend

By Charles Chance Manchester is back and it’s big, in fact it’s EPYC! Dad jokes aside, I have some exciting tales about…

New US Availability Zone

By Alex Lane Greetings, We are introducing a new availability…

Good news for AWS customers

By Simon Woodhead There’s a lot that goes on in…

VoIP DDoS Preparations – update

By Simon Woodhead It has been a week or so…

Regulation

TSRs and Encryption

TSRs and Encryption

By Simon Woodhead There’s a bogus narrative circulating that the Telecommunications Security Act 2021 doesn’t apply to all but the largest entities. …

Are you inadvertently enabling scammers?

By Pete Farmer We’ve mentioned it before, but it may…

New Right to Port Rule

By Victoria Palmer You may have heard that the industry’s…

“Sorry Mummy, it was an accident!”

By Simon Woodhead Those are very well used words in…

Security

3CX Warning

3CX Warning

By Simon Woodhead We’ve been made aware of a possible serious vulnerability within 3CX. We’re not in a position to confirm this…

STIR/SHAKEN update

By Simon Woodhead & Thomas Hadden TLDR: Regulations are getting…

Running Voice over the Public Internet

By Simon Woodhead Over many years I’ve been intolerant of…

Coronavirus (COVID-19)

By Simon Woodhead Given the news flow, we felt it…

Voice

Norway CLI Restrictions

Norway CLI Restrictions

By Simon Woodhead In the latest act of the relentless re-localisation of telecoms, as domestic operators seek to re-enforce their monopolies, major…

Blocking spam calls

By Alex Lane TLDR: If your calls to the USA…

Mexico Dial-code and rate changes

By Simon Woodhead Last July, we advised of changes to…

Pandemic 119

We have been asked by Ofcom to build 119 as…

White Papers

Our VoIP Fraud presentation at LINX84

Our VoIP Fraud presentation at LINX84

We had the pleasure of speaking at the London Internet Exchange’s LINX84 meeting on February 17th regarding our VoIP Fraud research. Below…

Simwood VoIP Fraud Analysis – get your copy now

As regular readers will know, Simwood has operated a VoIP…

QoS for VoIP

Introduction QoS, or Quality of Service, is a term used…

Get your DNS in order!

With the Olympics ever closer and our warnings over commodity…