Feature●24 Button Self-Labeling DSS/BLF - choose labels through VOIP phone menu●Provides 24 additional lines for incoming calls, outgoing calls, and calling features●No separate power supply needed●Compatible with 9630, 9630G, 9640G, 9650, and 9650CDescription
Sbm24 button module Product Type: Phone Expansion Module Product Type: Phone Expansion Module Manufacturer Part Number: 700462518