Category Archives: Rants

The part of the site I go off tap and waffle on about something.

Stop Blaming Teams and Skype for your network – Your traffic graphs are LYING!

Stop me if you have heard this from your users before; “Skype is crap” “It just dropped out” “It sounded like it was breaking up” Heard it before? Good. That proves your listening. Because even in a perfect environment these issues are going to appear. Mainly because you’re going to peer with customers or mobile… Read More »

SIP Extension fails to register to Sonus SBC with error “Incomplete Message”

So I had a weird one recently that I had been troubleshooting for ages, a previously working paging unit was reconfigured to use a new IP address and would no longer register to the Sonus SBC2000. All the obvious things were checked… Sip Server table had been updated Federated IP/FQDN for the Signalling Group had… Read More »

Stop Comparing Teams to Slack

There, I said it. I said the S word. More specifically Teams versus Slack. And no, I don’t hate Slack. I think its great actually! It has it’s place as do most productivity tools do. Heck, I still use it for our DnD sessions! But that’s because I don’t need anything more complicated than a… Read More »

Teams Voice Connectivity for Tenants without PSTN Calling

Update 24/02/2018: Thanks to Paul Lange “Short update on Bring your own Sip Trunk in #MicrosoftTeams from #techsummitfrankfurt – currently in TAP. GA around July according to MS depending on testing. #BRK2080” Expect the sessions to pop up here soon Update 16/12/2017: AudioCodes confirms any of their SBC’s will work with Microsoft Teams. No need… Read More »

Response Group Transfers to External Numbers Fail when being diverted by a thrid party

I’m not going to do my usual detailed write up on this one just figuring this might help someone Googleing, But I recently had to look into an issue for a customer who had another intergrator build thie Skype4B platform and all worked well. The issue was that when a call came from an external… Read More »

The Phone handset from hell.

Hi guys, I figured I’d post this here somewhere public thats visited by tech enthusiasts to highlight some of the failings in both carrier customer service and Nokia’s declining service over the years. Here’s hoping it doesn’t prevent me from getting an MVP status or similar later in life as the Windows Phone OS worked… Read More »

Playing with NAT on a Watchguard for non primary IP addreses

Yeah, I can already hear you saying “Why would I need to do this?” Well, you can have a few reasons. For example you can NAT different subnets out different IP addresses for multi tenancy. Configure Natting for optional interfaces. Or as in the case I had recently… your ISP buggers up BGP. Feel free… Read More »