Expansion Module for the IP 650 telephone (#1200758E1) that adds 14 (illuminated) multifunctional keys for call appearances and/or speed dial.? Simple plug-and-play setup as both power and signaling are provided by the host telephone.? Up to 3 Expansion Modules can be connected to a single IP 601 or IP 650 telephone. 1-year warranty.?
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Telephony, PBX & VoIP > Phone System Accessories > Accessories/Components > Phone Accessories > Phone Expansion Modules