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.
Product Key Features
- SIP & multicast wall-mount audio speaker
- 16 SIP accounts / lines supported
- Full-duplex HD audio with wideband codecs
- Integrated noise suppression and echo cancellation
- Supports push-to-talk and talk-back intercom use cases
- Multicast paging group support
- Powered by PoE/PoE+
- Easy ceiling or wall mount
- Backed by Grandstream reliability
Reliability & Performance :
The Grandstream GSC3516 ensures secured, high-quality two-way audio communication across IP networks. With multicast support, it can scale across multiple endpoints, making it ideal for schools, retail, manufacturing, and healthcare. Durable hardware, advanced audio technologies, and unified management options make it a dependable solution for enterprise paging and intercom deployments.
Key Features :
- SIP & multicast paging functionality
- Full duplex HD audio performance
- 16 SIP accounts & lines
- Integrated acoustic echo cancellation
- PoE/PoE+ powered for flexible install
- Wideband codec support (Opus, G.722, G.711, etc.)
- Background noise suppression
- Secure & encrypted SIP communications
- Wall/ceiling mountable for enterprise installations
- Backed by Grandstream
Specifications :
| Specification | Details |
|---|
| Part Number | GSC3516 |
| Brand | Grandstream |
| Product Type | SIP/Multicast Talk‑Back Speaker |
| SIP Accounts | Up to 16 |
| Audio Channels | Full‑duplex, wideband HD audio |
| Supported Codecs | Opus, G.722, G.711 µ/a‑law, G.726, iLBC |
| Echo Cancellation | Yes, acoustic echo cancellation |
| Noise Suppression | Yes |
| Talk‑Back / Push‑to‑Talk | Supported |
| Multicast | Paging groups supported |
| Networking | 10/100 Mbps Ethernet with PoE/PoE+ |
| Management | Web UI, TR‑069, GWN.Cloud, GWN Manager |
| Mounting Options | Wall mount / Ceiling mount |
| Power Supply | IEEE 802.3af/at PoE or 12V DC adapter |
| Dimensions | Approx. 160mm x 160mm x 45mm |
| Operating Temperature | 0°C ~ 40°C |
| Storage Temperature | -10°C ~ 60°C |
| Compliance | CE, FCC, RoHS |
| Applications | Schools, Warehouses, Retail, Healthcare, Offices |
| Warranty | Backed by Grandstream Limited Warranty |
