I also tried 3cx cisco elastix and many other ip pbx but this one is surely the keeper.
Ip pbx appliance review.
By incorporating industry leading features the ucm6100 series offers quick and easy setup and deployment using the web browser user interface which features auto discovery of grandstream endpoints and zero configuration provisioning.
The processor is a bit slow at times when using the ui but it seems to handle calls fine.
Rock solid performer and gs updates firmware quite frequently on this item which really improves stability and functionalities unlike other items they choose to neglect.
The user interface is ambiguous and under documented.
Reviewed in the united states on april 27 2016 slightly overpriced based on hardware.
This might be best suited in a small office with less than 25 phones.
The ucm6100 series ip pbx appliance is designed to bring enterprise grade voice video data and mobility features to small to medium businesses smbs in an easy to manage fashion.
This is the first appliance i ve found that comes close to an out of the box ip pbx solution.
Grandstream has done a pretty good job of skinning and simplifying the asterisk freepbx ui and putting together a solid offering.
Yeastar states that their s series voip pbx appliance is easy to use flexible and full featurd for small and medium sized businesses and is designed to help them make a leap in efficiency and cost savings.
It has all of the basic pbx features but lacks some of the more advanced ones you d find on more expensive pbx s.