Your Poly Phone allows up to 3 parties (including yourself) to participate in a single call. This is referred to as a Local Conference Call or a 3-Way Conference Call.
Follow this video tutorial to learn how to make local conference calls on your Poly VVX 450 Phone from Execulink Telecom.
To create a local Conference Call with up to two other parties:
To place an active Conference Call on hold:
Ending the Conference Call: