Legacy PBX Number Presentation to Skype for Business Using Sonus SBCs and AD based RNL

A customer messaged me last week and asked me a question regarding number presentation to Skype for Business when users still on their legacy PBX system placed a call to a Skype for Business endpoint. The customer explained to me that when a Skype for Business user called an extension on their legacy PBX system,… Read More

Skype for Business / Sonus Survivable Branch Appliance Firewall Rules

Deploying a Survivable Branch Appliance (SBA) into a Skype for Business topology takes a bit of planning. As part of the planning exercise you will no doubt be discussing what firewall ports are required in order to deploy the SBA securely from both external and internal source based attacks. Reading documentation from various sources online,… Read More

Skype for Business and Sonus–Remote Site Survivability (an alternative approach)

When deploying Skype for Business to medium sized organisations, the main challenges tend to be around how to ensure that remote sites adjacent to the main headquarters remain online for as long as possible in the event of an infrastructure failure. If you follow the Skype for Business architecture, you will know that the best… Read More

Skype for Business and Sonus – Part 5 – Adding Encryption

In Part 4, we discussed and walked through how to connect the SBC up between the PSTN and Skype for Business using simple unencrypted signalling and media. In this article we will discuss how to create a secure connection to Skype for Business and encrypt the media traffic between them. The first thing we must… Read More

Skype for Business and Sonus – Part 4 – Connecting it all together

In Part 3 of this series, we configured Skype for Business for enterprise voice and added the Sonus SBC to the topology as an available PSTN gateway. In this article we will discuss and walkthrough how to accept telephone calls from Skype for Business and route to the PSTN and vice versa. Before we begin… Read More

Skype for Business and Sonus – Part 3 – Configuring Skype for Business

In Part 2 we discussed and walked through how to configure the Sonus SBC system settings including networking, security and other system dependencies. In this article we will be configuring Skype for Business to use the Sonus SBC as an appropriate gateway to the PSTN for Enterprise Voice. To begin with we will be making… Read More

Skype for Business and Sonus – Part 2 – Configuring the Foundations

In Part 1 we discussed the basics of where and how to install the Sonus SBC. In this article we will be discussing how to prepare the SBC 1000 for production readiness including; licencing, updating, controlling access, networking and system settings. It is important to set solid footings in order to ensure easier administration moving… Read More

Skype for Business and Sonus – Part 1 – Getting Started

If you have deployed Skype for Business and now your company wants to introduce enterprise voice functionality for users, you may well find yourself looking for supported telephony equipment. There are a number of vendors out there that provide SIP connectivity hardware for Skype for Business. However, here in the UK, it seems that Sonus… Read More