ShoreTel ST50A Voice Switch Licenses The ProCurve J4906A switch is

The ProCurve J4906A switch is rack mountable in any standard 19" EIA network rack

or other feature keys

NEC IP3NA-12TXH Phone (0910044) Description:

Height Adjustable

The S4820T features forty-eight 10G BASE-T ports as well as four QSFP+ 40GbE ports

ShoreTel ST50A Voice Switch Licenses The ProCurve J4906A switch isShoreTel ST50A Voice Switch Description: The ShoreTel ST50A, now Mitel, is a voice switch that supports fifty IP phones, four loop start trunks, four analog phones, power fail transfer, and more! The ST50A belongs to the next generation of ShoreTel Mitel switches compared to the older ShoreGear model. ShoreTel ST50A Features: Supports: 50 IP Phones 4 Loop Start Trunks 4 Analog Phones Power Fail Transfer Two Gigabit Connectors RJ 45 10 100 1000 Mbps