Description
GSC3505 PA SIP Speaker
The GSC3505 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments and more to build powerful public address announcement solutions that expand security and communication.
This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 8-Watt HD speaker.
The GSC3505 supports Bluetooth devices, a built-in whitelist and blacklists to easily block unwanted calls, SIP and multicast paging, and integrated dual-band Wi-Fi. By pairing the GSC3505 with other Grandstream
devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to its modern
industrial design and rich features, the GSC3505 is the ideal SIP speaker for any setting.
Grandstream GSC3505 – Technical Specifications
Protocols/Standards
- SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, TR-069, 802.1x, TLS, SRTP,
IPv6, OpenVPN®
Network Interfaces
- One 10/100 Mbps port with integrated PoE/PoE+
Bluetooth
- Yes, integrated. Bluetooth 4.0 + EDR
Wi-Fi
- Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n, WMM
Voice Codecs and Capabilities
- G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.729A/B in-band and out-of band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS
Telephony Features
- SIP Paging, Multicast Paging, call-waiting with priority override
HD Audio
- Yes, HD speaker with support for full-band audio
Speaker
- 8W high-fidelity HD speaker
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
Multi-language
- English, German, French, Spanish, Portuguese, Russian & Chinese
Upgrade/Provisioning
- Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using 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 40°C Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing
Package Content
- GSC3505 SIP Speaker, mounting kits, quick installation guide, GPL license
Physical
- Unit Dimensions: 215.32mm (diameter) x 68.7mm (depth)
- Unit Weight: 0.8kg, Box Weight: 1.39kg
Compliance
- FCC: Part 15 (CFR 47) Class B; UL 60950 (power adapter); FCC Part 15C, FCC Part 15E, MPE
- CE : EN 55032; EN 55024; EN 61000-3-2; EN 61000-3-3; EN 60950-1; EN 301 489 1/17; EN 300 328; EN 301 893; EN 62311; RoHS
- RCM: AS/NZS CISPR 32/24; AS/NZS 60950.1; AS/NZS 4268
- IC: ICES 003, RSS 247, RSP-100, RSS 102







