No, there is no way to do this. You would need to use more than one phone. There will be a way to have as many as 20 or 34 line appearances with a 7960 phone by adding one or two 7914 Expansion Modules. Right now the data sheet is not available for this on CCO and it is not yet orderable, but there are all sorts of pages about it in the CallManager 3.1 documentation describing it, such as:
