NTAB3432 - Nortel MICS 6.1 Software Norstar MICS 6.1 Software Feature Highlights: All norstar phones are compatible with MICS 6.1 software. Enhanced ATA2 is the ONLY ATA compatible with MICS 6.1 software. All NRU's, Fast RAD, VMI and CTA's are compatible with MICS 6.1 software. SMDR6 is compatible with MICS 6.1 software. Startalk Flash 2.0 or higher and NAM 4.0 or higher are the ONLY voicemails compatible with MICS 6.1 software. The MCDN networking key code is compatible with 6.1 software which will enable you to network and share a voicemail and 2 MICS systems. One key code required on each end. Norstar MICS 6.1 Compatibility Chart Norstar MICS 6.1 Software Feature List