link 1.0 Djem Guerreru Inc. https://www.djemguerreru.com 21600 JOITO's https://www.joitos.com https://cdn.joitos.com/GENERAL/18/183/1835/18359431.V0.jpg 400 250 https://www.joitos.com/item/43296877/50771%2E001%2DPush%2Dto%2DTalk%2DHandset - Includes pre-installed noise canceling microphone, which reduces sidetone noise up to 80%- Does not require hook switch in the cradle- Round receiver and transmitter ends- RJ22 4 conductor connector- Compatible with Cortelco 2500 and 2554 series telephones 52.96 USD 1 Electronics & computer--Phone & telecom--Other