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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

Wholesale rate update (2022-10-03) – with NO dirty surcharges

Wholesale rate update (2022-10-03) – with NO dirty surcharges

We will be updating our Managed A-Z Termination rates and codes on October 3rd 2022. As usual, these changes are colour coded…

UK Numbering Pricing

By Simon Woodhead TLDR: All conserved and desirable 020 ranges…

Dirty surcharges come to 03 and 08 (except here)

By Simon Woodhead In the latest twist to the sordid…

A change in our international focus

By Pete Farmer Once upon a time, everyone started offering…

Intelligent Solutions

Blocking fraudulent calls

Blocking fraudulent calls

By Simon Woodhead Ofcom publishes the ‘DNO list’, a list of inbound only phone numbers from high profile organisations that should never…

STIR/SHAKEN update

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

Partner Handset Auto-Provisioning

Today we are announcing the arrival of our new handset…

Thanks for another interesting year!

By Simon Woodhead Wow, it felt odd writing ‘interesting year’…

IP Network

New US Availability Zone

New US Availability Zone

By Alex Lane Greetings, We are introducing a new availability zone, and this is going live next week at 21:00 2022-07-06 UTC…

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…

VoIP DDoS Preparations – Mandatory Testing

By Simon Woodhead Alongside recent posts here (this, this and…

Regulation

“How do I bypass anti-spoofing?”

“How do I bypass anti-spoofing?”

By Simon Woodhead TLDR: We’re not going to answer that question, but we are going to explain why! The best way to…

Changing our 999 routing policy

By Simon Woodhead As a wholesale / carrier services provider,…

Running Voice over the Public Internet

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

Heads on the chopping board!

By Peter Farmer In the first of the promised series…

Security

Coronavirus (COVID-19)

Coronavirus (COVID-19)

By Simon Woodhead Given the news flow, we felt it was appropriate to update you on where we were with the preparations…

Simwood Awarded ISO 9001 and ISO 27001

by Simon Woodhead Following back-to-back audits, I’m delighted to report…

USA Caller ID changes – SHAKEN and STIR

by Thomas Hadden, COO Simwood Inc. Many of you may…

PSD2 compliance and some great new anti-fraud features

As we mentioned last week, the new Payment Services Directive seems…

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…