Nortel Modular 8x24 DR5.1 Software
Feature: Includes 824 DR5.1 Software and Data Cartridge.
The 8x24 DR5 software does have caller id capabilities.
All norstar phones will work with the 8x24 DR5. All Fast Rads, ATA's, VMI, CTA's and NRU's are compatible with 8x24 DR5 software. SMDR3 and higher are compatible with 8x24 DR5 software. Norstar Applications Module NAM, Startalk Flash, Startalk A, B, C and MINI Voicemails are compatible with 8x24 DR5 software.