*CANIR-C355IF,CANIR-C255IF,CANIR-C3530i,CANIR-C3525i,CANIR-500IF,CANIR-400IF,CANIR-4225,CANIR-4551i,CANIR-4545i,CANIR-4535i,CANIR-4525i,CANIR-C5560I,CANIR-C5550I,CANIR-C5540I,CANIR-C5535I: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANIR-C7580i,CANIR-C7570i,CANIR-C7565i: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANIR-C7580i II,CANIR-C7570i II,CANIR-C7565i II: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANIR-6575i II,CANIR-6565i II,CANIR-6555i II: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANiR-8585i II: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANIR-C5560I II,CANIR-C5550I II,CANIR-C5540I II,CANIR-C5535I II: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.
CANIR-4551i II,CANIR-4545i II,CANIR-4535i II,CANIR-4525i II: Software Maintenance Extensions can be purchased and registered up to 5 years in advance.