Avaya IP500 Installation Manual page 289

System Components: Phones
9.11.20 3725
This DECT handset is supported with Avaya DECT R4 on IP Office Release 5 and higher.
· The availability of VCM (Voice Compression Module) channels is necessary to support IP telephony. For IP Office
47
6.0+, these phones require an Avaya IP Endpoints license.
395
IP500/IP500 V2 Installation Page 289
IP Office 8.0 15-601042 Issue 25i (03 January 2013)