The new Digium A-Series phones are robust cost effective and featureful phone that can be used with Digium Switchvox.
Adding Digium A-Series Phones with Digium Switchvox – Part I

Ben has been building VoIP solutions for over 15 years, has over 25 years of Linux administration experience, and enjoys problem-solving. When he is not coding something in Python, or tinkering with some project, you can often find him wandering through the forests and parks of the Pacific Northwest enjoying waterfalls, trails, and animals.
The new Digium A-Series phones are robust cost effective and featureful phone that can be used with Digium Switchvox.
Quickly add an additional local SR to xenserver. Use it for on node storage, creating new vms or for different array setups.
Perform scripted backups of your edgerouter, and edgeOS devices to quickly clone, deploy, or backup configurations and receive notifications of changes in configurations.
Quickly enable and disable IPSec vpn connections on Ubiquiti edgerouter devices, without deleting and recreating connections.
How to check that your IPSec tunnel is up and connected on Ubiquiti’s edgerouter platform. A few simple CLI commands and you have the info you need.
Automatically start XenServer 7.x and XCP-ng guests using XenCenter console with this simple console tweak.
Quickly setup automated backups of your Citrix XenServer or XCP-ng deployments to your existing network storage server.
Quickly access existing databases with peewee ORM for python. Spend more time coding and less time struggling with database connectivity.
Let Digium’s Switchvox agents pause queue activity, and specify there reasons using the Switchboard.
Automate shutdown of XenServers, and guests, with the Network UPS Tool (NUT) and pfSense.