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GSC3516 Grandstream GSC3516 SIP/Multicast Talk-Back Speaker
Images are for illustrative purposes and actual product may differ.
GSC3516 VoIP accessories / cables / PSU / mountsGrandstream
GSC3516 information and overview
Grandstream GSC3516 SIP/Multicast Talk-Back Speaker, 3 directional mics, 1 omnidirectional mic, 15W HD speaker, 1x Ethernet 10/100 PoE, Wi-Fi, no PSU
Not for sale. This is a discontinued product.
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Subject to correction, the product was last sold 2024-05-08, where the last unit was sold for R 3735, which may have been a final clearance price.
Specifications & more information about GSC3516, VoIP accessories / cables / PSU / mounts manufactured by Grandstream
Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.
Overview:
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.
Features: - 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
Specifications: | ©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered. | Specifications | | Product Code | GSC3516 | | Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN | | Network Interfaces | One 10/100 Mbps port with integrated PoE/PoE+ | | Operating System | Linux | | Bluetooth | Yes, integrated. Bluetooth 2.1+Enhanced Data Rate (EDR)+ BT5.0 | | Wi-Fi | Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n/ac | | Auxiliary Port | One 2-pin multi-purpose input port, Reset | | Voice Codecs and Capabilities | 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 | | Telephony Features | SIP Paging, Multicast Paging, Group Paging, PTT, Call-waiting with priority override, Bluetooth SCO call | | HD Audio | Yes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency | | Speaker | 15W high-fidelity HD speaker | | Frequency: 110Hz-20000 Hz | | Sensitivity: Up to 90 dBA at 1W power at 0.5 meter | | Microphone | 3 directional microphones with beam-forming capability and 1 omnidirectional auxiliary microphone that offer a 4.2 meter pickup distance | | QoS | Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS | | Security | User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot | | Multi-language | English, German, French, Spanish, Portuguese, Russian & Chinese | | Upgrade/Provisioning | Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using GDMS/TR069 or AES encrypted XML configuration file | | Power & Green Energy Efficiency | Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4 | | Temperature and Humidity | Operation: 0°C to 45°C Storage: -10°C to 60°C | | Humidity: 10% to 90% Non-condensing | | Package Content | GSC3516 SIP/Multicast Talk-Back Speaker, mounting kits, quick installation guide | | Physical | Unit Dimensions: 257mm (diameter) x 68.5mm (depth) | | Unit Weight: 0.92kg, Box Weight: 1.75kg | | Compliance | FCC: FCC 47 CFR Part 15 Subpart B;FCC 47 CFR Part 15 Subpart C;FCC 47 CFR Part 15 Subpart E. | | IC: ICES-003;RSS-247 Issue 2;RSS-Gen Issue 5;RSS-102 Issue 5. | | CE: ETSI EN 300 328;ETSI EN 301 893;ETSI EN 300 440;ETSI EN 301 489-1;ETSI EN 301 489-3;ETSI EN 301 489-17;EN 55032;EN 55035;EN IEC 61000-3-2;EN 61000-3-3;EN IEC 62311;EN IEC 62368-1. | | UKCA: ETSI EN 300 328;ETSI EN 301 893;ETSI EN 300 440;ETSI EN 301 489-1;ETSI EN 301 489-3;ETSI EN 301 489-17;BS EN 55032;BS EN 55035;BS EN IEC 61000-3-2;BS EN 61000-3-3;BS EN IEC 62311;BS EN IEC 62368-1. | | RCM: AS/NZS CISPR 32;AS/NZS 62368.1;AS/NZS 4268;AS/NZS 2772.2. |
Similar VoIP accessories / cables / PSU / mounts
The best price and guaranteed service and backup from official computer suppliers in South Africa for the GSC3516 Grandstream GSC3516 SIP/Multicast Talk-Back Speaker. Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa. Find related GSC3516 Grandstream GSC3516 SIP/Multicast Talk-Back Speaker products in our VoIP accessories / cables / PSU / mounts Category for even more options. Read reviews and find out about GSC3516 Grandstream GSC3516 SIP/Multicast Talk-Back Speaker. Discounts, specials and cheap prices only at ComX Computers.
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