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
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 conductor connector. Compatible with Cortelco 2500 and 2554 series telephones.
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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