
GSC3510 SIP Speaker
3 directional mics with MMAD & microphone beamforming array, One 10/100Mbps network port
View productCohesive Technologies — authorised Grandstream distributor in India
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 a 4.2 meter pickup distance.
The GSC3516 is a SIP/Multicast 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 omnidirectional auxiliary microphone that offer a 4.2 meter pickup distance. The GSC3516 supports a wide-range of peripherals including Bluetooth devices, built-in whitelists, blacklists and greylists 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.

More IP Paging from Grandstream
Answers to common questions about the GSC3516 — buying it in India, documentation and support.
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 a 4.2 meter pickup distance.
Key features of the GSC3516 include: Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation; 3 directional mics with MMAD & microphone beamforming array and 1 omnidirectionalauxiliary 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+.
Cohesive Technologies is the authorised distributor of Grandstream Networks in India and supplies the GSC3516 across the country. Call +91 120 4830000, WhatsApp +91 7290000544 or email info@grandstreamindia.com for a quote.
You can download the official GSC3516 datasheet (PDF). It lists the full technical specifications.
Yes. Cohesive Technologies offers consultation, installation, configuration, technical support and extended warranty for Grandstream products across India. See our support services.
See how Grandstream products are deployed in enterprises, hotels, schools, banks and homes across India.
Planning a Grandstream deployment? Our engineers will help you choose.