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Speaker Audio

Extension module

An easy-to-install Extension Module that is great for enhancing call control efficiency for receptionists, executives, or any high-volume user. Any attendant will benefit from increased productivity by monitoring and dispatching numerous incoming calls using our Extension Modules.

There are 3 products.

Grandstream GBX20 Extension module

The Grandstream GBX20 EXT is an extension module that enhances the functionality, versatility, and flexibility of the GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone from Grandstream.
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Grandstream GXP2200 Extension module

With its backlit LCD display, BLF and Speed Dial keys, and additional contacts/extensions per module, the GXP2200EXT extension module provides greater network control for high-call volume users.
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Grandstream GMD1208 Extension Microphone

Grandstream's GMD1208 Extension Microphone is intended to improve the audio quality of your communication system. You may enjoy crystal-clear sound during conference calls or meetings thanks to its superior noise reduction technology. Its compact and lightweight design makes it simple to install and use, and its omnidirectional microphone guarantees that everyone is clearly heard.
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