Grandstream GSC3516 SIP/Multicast Talk-Back Speaker

Grandstream GSC3516

SIP/Multicast Wall-Mount Talk‑Back Speaker – Full-Duplex HD Audio & PoE

The Grandstream GSC3516 is an enterprise‑grade SIP/Multicast talk‑back speaker that extends full‑duplex HD audio communications into offices, schools, warehouses, retail stores, and healthcare facilities. Supporting two‑way audio, this device integrates seamlessly with VoIP networks, PA/intercom systems, and multicast paging, enabling flexible voice announcements and instant talk‑back responses.

The GSC3516 can be powered via PoE/PoE+ and offers easy installation with wall or ceiling mounting options. With advanced acoustic algorithms, background noise suppression, and integrated SIP accounts, it delivers clear, secure, and reliable communication for any organization’s paging and intercom needs.

Features :

The talk‑back speaker supports multicast paging groups, SIP calls, full‑duplex audio, and push‑to‑talk functionality. With wideband HD audio and acoustic echo cancellation, it delivers excellent sound clarity. It’s designed for scalable deployment, allowing integration with existing IP PBX systems and SIP network environments.

Advanced Options :

The Grandstream GSC3516 integrates with UCM IP PBXs and works with most third‑party SIP systems. WPA2 enterprise Wi‑Fi and secure provisioning options ensure system security, while centralized management is supported via GWN.Cloud or GWN Manager platforms.