The GSC3505 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments and more to build powerful public address announcement solutions that expand security and communication. This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 8 Watt HD speaker. The GSC3505 supports Bluetooth devices, a built-in whitelist and blacklists to easily block unwanted calls, SIP and multicast paging, and integrated dual-band Wi-Fi. By pairing the GSC3505 with other Grandstream devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products,users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to its modern industrial design and rich features, the GSC3505 is the ideal SIP speaker for any setting.

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GSC3505
1-Way Public Address SIP Speaker
The GSC3505 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments and more to build powerful public address announcement solutions that expand security and communication.
Description
Features
- Speaker with HD acoustic chamber
- Features SIP paging, multicast paging, callwaiting with priority override
- Full-band and wide-band audio codec support including Opus & G.722
- Integrated dual-band 802.11 a/b/g/n WiFi and Bluetooth
- One 10/100Mbps network port with PoE/ PoE+






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GSC3516
GSC3516
SIP/Multicast Talk-Back Speaker
The GSC3516 is a SIP/Multicast Talk-Back Speaker that offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offer...
SIP/Multicast Talk-Back Speaker
The GSC3516 is a SIP/Multicast Talk-Back Speaker that offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offer...
GSurf Pro V2
GSurf Pro V2
Video Management Software
Grandstream’s GSurf Pro V2 is free video management software (VMS) for PC-based video recording, indexing, searching and video storage management for up to 72 Grandstream cameras.
Product datasheets
Video Management Software
Grandstream’s GSurf Pro V2 is free video management software (VMS) for PC-based video recording, indexing, searching and video storage management for up to 72 Grandstream cameras.
Product datasheets