Grandstream GSC3516 Multicast Two way Talk-back SIP Paging Speaker

Grandstream GSC3516 IP / SIP Talk-back Paging Speaker

The GSC3516 is a SIP/Multi-cast Talk-Back Speaker that allows offices, schools, hospitals, apartments and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) an d 1 omni-directional auxiliary microphone.

The GSC3516 provides SIP/Multi-cast Talk-Back Speaker functionality that provides 2-way voice communication with a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omni-directional auxiliary microphone that offer a 4.2 meter pickup distance.

GSC3516 Speakerphone Features

The GSC3516 supports a wide-range of peripherals including Bluetooth devices, built-in whitelists, blacklists and grey lists to easily block unwanted calls, integrated dual-band Wi-Fi and advanced acoustic echo cancellation. By pairing the GSC3516 with other Grandstream devices, including desktop and cordless IP phones a s well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security a nd voice intercom solution. Thanks to it’s modern industrial design, cleanable exterior surface and rich features, the GSC3516 is the ideal intercom speaker/microphone for any setting.

GSC3516 IP / SIP Brief Specifications

  • Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation
  • 3 directional mics with MMAD & microphone beam forming array and 1 omni-directional 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
  • Can be ceiling or wall mounted, surface mount included
Brand Manufacturer:
SKU - Product Code:
Equipment Use Type:
Overhead Paging - Speaker
2-way Audio Intercom:
Call Push Button:
Supports 2-pin multi-purpose input
Audio Formats:
G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B, in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS
Web interface, UCM/PBX Configuration features.
Power Consumption:
Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4
Power Output:
15 watt
Power Source:
Uses - Environment:
Indoor Installation only
White, plastic finished
Mounting State:
Wall or ceiling mount
257mm (diameter) x 68.5mm (depth)
Sensitivity as Microphone:
3 directional microphones, 4.2 meter pickup distance
Gigabyte - 10 100 1000 Network:
Uses 10 100 networking only
WiFi Capable:
PoE - Power Over Ethernet:
BlueTooth Integrated:
HD Audio:
Box Contains:
GSC3516 SIP/Multicast Talk-Back Speaker, mounting kits, quick installation guide
Wall Mount Included:
In stock
Other Details
2-way Audio Intercom Uses - EnvironmentIndoor Installation only Mounting StateWall or ceiling mount BlueTooth Integrated