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Article ID: 000032140
Last Modified Date: 05/15/2021
Access Level: Public

APN-91 Troubleshooting: No Call Control

I am not getting call control with Plantronics APN 91 and NEC DT330/730, DT430/480 and DT 750 terminals. Is there any configuration required for EHS to work?
In order for the APN 91 to work with NEC DT series phones, customers should follow a two-step process. First, customers should verify that they have the compatible phone terminal and the univerge switch. Second step is to configure EHS on the NEC switch. The setup and compatibility information can be found in the NEC documentation below. EHS cannot be setup on the phone menu. NEC’s support number is 1-800-852-4632.

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