Undesirable Feature Interactions
FSingle-Customer Interactions
–Example:  Call-Forwarding  v. Call-Waiting
–Solution:  Provide Capability to Identify Preferences for Different Contexts
–Result:  Interaction  =>  Coordination
FMulti-Customer Interactions
–Example:  Caller-ID  v. Call-Blocking
–Solution: Provide Capability to Negotiate Acceptable Compromises
–Result:  Impasse  =>  Negotiation