--- title: Installing the Poly Sync 20 Speakerphone Mount description: This article covers the installation of the Poly Sync 20 Speakerphone with a Mount for 22-inch, 32-inch, and 43-inch monitors. --- [Skip to content](https://kb.alicereceptionist.com/attaching-the-poly-sync-20-speakerphone-mount#main-content) English Show submenu for translations [More support](https://kb.alicereceptionist.com/kb-tickets/new?hsLang=en) [![ALICE Logo](https://kb.alicereceptionist.com/hs-fs/hubfs/dBZJfwoxBhs8Xv4tDc09c1ZxvaB63hbH_A-1.png?width=200&height=93&name=dBZJfwoxBhs8Xv4tDc09c1ZxvaB63hbH_A-1.png)](https://kb.alicereceptionist.com/?hsLang=en) - [Submit A Helpdesk Ticket](https://share.hsforms.com/1HZ-ebsN3TzWAiEUV7bCVgwrei6t) - [Tickets Listing Page](https://support.alicereceptionist.com/tickets-view?offset=0) - [Knowledgebase](https://kb.alicereceptionist.com/) - [Documentation Portal](https://kb.alicereceptionist.com/documents) - [Sign Out](https://support.alicereceptionist.com/_hcms/mem/logout) Open main navigation Close main navigation - [Submit A Helpdesk Ticket](https://share.hsforms.com/1HZ-ebsN3TzWAiEUV7bCVgwrei6t) - [Tickets Listing Page](https://support.alicereceptionist.com/tickets-view?offset=0) - [Knowledgebase](https://kb.alicereceptionist.com/) - [Documentation Portal](https://kb.alicereceptionist.com/documents) - [Sign Out](https://support.alicereceptionist.com/_hcms/mem/logout) - English Show submenu for translations - [More support](https://kb.alicereceptionist.com/kb-tickets/new) - Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [ALICE Receptionist Knowledge Base](https://kb.alicereceptionist.com/?hsLang=en) 2. [Hardware Maintenance](https://kb.alicereceptionist.com/hardware-maintenance?hsLang=en) 3. [Handset & Speakerphone](https://kb.alicereceptionist.com/hardware-maintenance?hsLang=en#handset-speakerphone) December 16, 2024 # Installing the Poly Sync 20 Speakerphone Mount ## This article covers the installation of the Poly Sync 20 Speakerphone with a Mount for 22-inch, 32-inch, and 43-inch monitors. 43-in OLE monitors may require a USB extension cable if mounted on the side opposite of the USB connector on the PC module. ![Poly20 Assembly Guide](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20Assembly%20Guide.jpg?width=670&height=350&name=Poly20%20Assembly%20Guide.jpg) 1. Before adding the cradle lock, connect the speakerphone through USB and ensure the volume is set to the maximum level. If the volume needs to be lowered later, use the Windows volume controls. ![Poly20 step 1-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%201-1.jpg?width=596&height=511&name=Poly20%20step%201-1.jpg) 2. Disable all audio input and output devices except the Poly Sync 20 Speakerphone device. 3. Disconnect the speakerphone's USB cable from the PC. 4. Insert the USB cable through the mount. ![Poly20 step 4-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%204-1.jpg?width=670&height=266&name=Poly20%20step%204-1.jpg) ![Poly20 step 5-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%205-1.jpg?width=670&height=274&name=Poly20%20step%205-1.jpg) 5. Slide the spearkphone through the mount. ![Poly20 step 6-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%206-1.jpg?width=670&height=341&name=Poly20%20step%206-1.jpg) 6. The below image shows a successful installation. ![Poly20 step 7-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%207-1.jpg?width=670&height=333&name=Poly20%20step%207-1.jpg) 7. Install the lock as shown below. ![Poly20 step 8-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%208-1.jpg?width=670&height=300&name=Poly20%20step%208-1.jpg) 8. Screw in the lock to secure it. ![Poly20 step 9-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%209-1.jpg?width=670&height=318&name=Poly20%20step%209-1.jpg) 9. Remove the side panel cover and insert the 20mm and 30mm screws through the mounting holes as shown. ![Poly20 step 10-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%2010-1.jpg?width=670&height=281&name=Poly20%20step%2010-1.jpg) 10. Once the screws have been tightened, connect the spearkphone to the PC through USB. ![Poly20 step 11-1](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%2011-1.jpg?width=670&height=318&name=Poly20%20step%2011-1.jpg) 11. Set the Windows Audio Input and Output device as the Poly Sync 20 Speakerphone device. ![Poly20 step 2](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%202.jpg?width=519&height=408&name=Poly20%20step%202.jpg) 12. In the Audio / Video Settings tab of the ALICE Configuration, set the Audio Input Devices and Audio Ouput Devices to the Poly Sync 20 Speakerphone. ![Poly20 step 3](https://kb.alicereceptionist.com/hs-fs/hubfs/Poly20%20step%203.jpg?width=514&height=354&name=Poly20%20step%203.jpg) 13. 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