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.

Cluecon 2016 – Career Convergence!

We again presented at Cluecon last August and the video is finally available for those who missed it.

Kamailio World 2017 – Anycast in SIP Architectures

We were delighted to again present at Kamailio World in May on certain underlying elements of our new stack and upgraded network. It was very well re…

Direct Connect from 170+ data centres (or the cloud)

We’ve been on a bit of a mission recently to encourage customers to connect directly into our network to improve quality, stability and attack protec…

Anycast portal now live

We’ve taked about our new containerised architecture at various conferences, and most recently we talked at ClueCon Weekly on the work we’re doing wi…

ClueCon Weekly – March 22nd

We’re delighted to again have Simon appear on ClueCon weekly – the weekly conference call for FreeSWITCH developers. We presented on “Routing on the…

New stack part 3 – Anycast SIP

This is the third in a series of posts (part 1 here, part 2 here) about new features we’re releasing to our voice stack in the very near future. What…

New stack part 2 – ZRTP: Encryption done right

This is the second in a series of posts (part 1 here) about new features we’re releasing to our voice stack in the very near future. What makes Simwo…

New stack part 1 – Opus: the killer codec

This is the first in a series of posts about new features we’re releasing to our voice stack in the very near future. What makes Simwood unique and v…

Important: Interop changes

As part of continued improvements to our network we are introducing some new IP addresses for both SIP signalling, and RTP media, traffic across our…

Barfy Trump’s Deckchairs and Phone Books (entirely unrelated)

Picture the scene: Barfy Trump has always rented deckchairs, on a big ship. In fact many years ago he used to own everything on that ship but the som…

Securing your API requests

For many years our API documentation has included the following note; PLEASE USE HTTPS (SSL) The API server will (currently) respond in plain HTTP bu…

Mobile Number Porting 2016/17

Please note that over the Christmas and New Year period the following changes apply to Mobile Number Portability (MNP) requests. New porting requests…