Danny stick to Norvaya and let someone in your area that knows the Panasonic "DBS" Digital Business System Range and all the ins and outs have the job or just walk away .You know you are going to be sorry you got involved in this one there is no tech support available and look at it this way if the client called and said they had 20 Comkey phones and wants to re use them would you be sourcing a Comkey KTU here?