Grandstream Networks GBX20 Extension module
The GBX20 is an Extension Module that adds functionality, versatility and flexibility to Grandstream’s GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone.
- Manufacturer # GBX20
- Condition: Brand New
- Product Type: Extension Module
- Features a 272x480 LCD display
- Support for up to 160 contacts by using 4 modules.
- Warranty: Manufacturer Warranty
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