04-26-2017 11:54 PM
welcome to the Polycom Community.
The SoundStation 2W is a normal analog phone and you can dial anything depending if the analog line you connected it to allows this.
Not knowing what service you have it is hard to answer this question.
Please provide more details.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Polycom Global Services