Intercoms & Paging | Grandstream Networks

The GSC Series offer top-notch intercom and paging functionality ideal for office buildings, enterprises, schools, healthcare facilities, retail centers, residential settings, warehouses and other indoor environments. This series allows businesses to build powerful SIP intercom and paging solutions that expand communication and add security.

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GSC3560 & GSC3565

A versatile array of ports guarantees flexible integration with your existing devices
Built-in Solid State Relay (SSR) provides robust protection against external magnetic interference
High-fidelity communication is powered by integrated dual microphones and a high-performance 10-watt speaker
Unlock doors via app, SIP call and HTTP API, or with QR code support available for GSC3565
Experience crystal-clear audio with advanced AI-powered noise suppression (GSC3560 only)
Engineered to withstand the harshest environments with a certified IP66 rating
Maximum IK10-rated impact resistance covers the entire unit, including the GSC3565 lens area
Cloud-based management provides total remote control of your devices beyond the local web UI
Compatible with Home Assistant for effortless smart control

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GSC3518HS

High-powered 50W speaker with maximum volume of 126 dBA, ideal for coverage of expansive outdoor areas
3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios
Full-band and wide-band audio codec support, including Opus & G.722
Includes differential LINE IN and LINE OUT connections
Supports Airplay, ONVIF, RTSP/HTTP streaming, local audio files, and mobile app playback
SIP paging, multicast paging, call waiting with priority override, and more
One 10/100Mbps network port with PoE/PoE+/PoE++ input, and one 10/100Mbps network port with PoE/ PoE+ output
IP66-rated waterproof and dustproof; includes a durable stainless steel bracket suitable for harsh outdoor environments

GSC3516

Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation
3 directional mics with MMAD & microphone beamforming array and 1 omnidirectional
auxiliary microphone
Full-band and wide-band audio codec support including Opus & G.722
Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi and Bluetooth
One 10/100Mbps network port with PoE/PoE+
2-pin multi-purpose input to support peripherals including call buttons

GSC3510

Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation
3 directional mics with MMAD & microphone beamforming array
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+
2-pin multi-purpose input to support peripherals including call buttons

GSC3506 v2

30W high-fidelity speaker with HD acoustic chamber
Supports SIP paging, multicast paging, call waiting with priority override, and more
Supports full-band and wide-band audio codecs, including Opus and G.722
1x 3-pin differential line out port
Ports include 1x 2-pin switch-in input, 1x alarm-in input, 1x DC24V, 1x network, and 1x USB port; Keys include volume up/down, and reset
One 10/100Mbps network port with PoE/PoE+/PoE++

GSC3506

Speaker with HD acoustic chamber
Features SIP paging, multicast paging, call-waiting with priority override
Full-band and wide-band audio codec support including Opus & G.722
1x 2-pin switch-in input port, 1x Alarm-in input port, vol+/- Key, reset, 1x network port, 1x USB port
One 10/100Mbps network port with PoE/ PoE+

GSC3505

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+