Change ring tone behaviour with a Sonus SBC and SIP trunk provider

27th of May, 2016 / / 2 Comments

I recently had an issue with calls originating from a SIP trunk provider to Skype for Business Server(s) that needed to change who supplied the ring back tone. This would have been a much simpler process with ISDN, but SIP trunks are a much more involved PSTN connection. If you’re having problems with ring back this should help provide a quick troubleshooting step to expose a problem in this area. This article specifically describes what to change in Skype for Business and Sonus 1000/2000 SBC to get the desired outcome with a SIP trunk.… [Keep reading] “Change ring tone behaviour with a Sonus SBC and SIP trunk provider”

Block Inbound/Outbound Calls on Sonus SBC 1000/2000

6th of January, 2016 / / No Comments

At Kloud we had an interesting chat amongst the UC group on how to best implement call blocking/screening on a Sonus Session Border Controller 1000/2000. We proceeded to trial various methods including a well documented ‘Action Set’ scenario, which proved to be unreliable in our implementation. It was from this we looked to a simpler method that I will share with you in this article.

The process to block a call will be to use a Call Route Type with ‘deny’ action as the destination type, rather than the standard process of the destination being a FXS, FXO or SIP signalling group.… [Keep reading] “Block Inbound/Outbound Calls on Sonus SBC 1000/2000”

Acme Packet SBC for Office 365 UM with CUCM

28th of November, 2013 / / 2 Comments

Office 365 Exchange Online can provide Unified Messaging (UM) functionality such as voicemail for on-premises telephony systems. Configuring integration between Exchange Online UM and Lync is a straightforward process assuming you already have Enterprise Voice and a Lync Edge server in place. There is TechNet documentation for Lync 2013 and Lync 2010 or an older Office 365 Checklist.

Things get a lot more complicated when you want to use a different telephony system, for example Cisco Unified Communications Manager (CUCM).… [Keep reading] “Acme Packet SBC for Office 365 UM with CUCM”