Category Archives: Sonus

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 »

Skype for Business SBA Migration Cheat Sheet

Okay, I’m supposed to be publishing my LPE article. But its not done yet. So have this “Quick and Nasty” guide instead I’ve recently been migrating customers from older SBA’s running Lync 2013 code to newer SSD based SBA’s running Skype for Business 2015 and as such I’ve been working on a tool for Pool… Read More »

Fix for SBA Installation “The Evaluation Period Has Expired”

So recently I have a fresh SBA install that failed to start the RTCSRV service. TL;DR: if Get-CsVersion shows “Volume Licence Key Installed” try installing the latest CU.   A quick look and the RTCSRV service was failing to start. A check in the Event logs under Lync server, showed event ID 12290. The evaluation period has expired.… Read More »

A Better External Ringer for Skype for Business

So I recently had a requirement to get an external ringer working for a customer using Skype for Business. The issue? They use Polycom VVX300’s as Common Area Phones and didn’t want more “traditional” external ringer devices like an ATA with an analog phone attached. I’ve seen solutions where a vendor had previously hacked up… Read More »

SBA Fails to install. Due to applications not being defined in topology

Ran into an interesting one for those that still install SBA’s I know the mentality these days is to get redundant network links to highly available pools, but when a business is located over 600km (370+ mi) away from the nearest CBD completely independent, affordable, high quality network links tend to be hard to come… 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 »

Sonus AD lookups fail when LDAP credentials are correct and AD is online

Whats this? a Sonus article? Damn straight it is! So I was recently doing a deployment for a larger organisation. One of my first deployments using a Sonus SBC to do LDAP routing instead of an AudioCodes and I ran into some interesting issues For those that arent aware, Sonus SBC’s do AD lookups a… Read More »