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Grandstream GSC3505 SIP Speaker




Grandstream GSC3505 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments & more to build powerful public address announcement solutions that expand security & communication. This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 8-Watt HD speaker. Also supports Bluetooth devices, a built-in whitelist & blacklists to easily block unwanted calls, SIP & multicast paging plus integrated dual-band Wi-Fi. By pairing the GSC3505 with other Grandstream devices, including desktop & cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security & PA announcement solution. Thanks to its modern industrial design & rich features, GSC3505 is the ideal SIP speaker for any setting.

Key Features & Benefits:

  • 8W high-fidelity HD speaker
  • Speaker with HD acoustic chamber
  • SIP paging, multicast paging, callwaiting with priority override
  • Full-band & wide-band audio codec support including Opus & G.722
  • Integrated dual-band 802.11 a/b/g/n Wi-Fi & Bluetooth
  • 1 x 10/100Mbps network port with PoE/PoE+
  • Firmware upgrade via TFTP/HTTP/HTTPS or local HTTP upload
  • Mass provisioning using AES encrypted XML configuration file
  • User & administrator level passwords
  • MD5 & MD5-sess based authentication
  • 256-bit AES encrypted configuration file
  • TLS, SRTP, HTTPS, 802.1x media access control
  • Layer 2 QoS (802.1Q, 802.1p) & Layer 3 (ToS, DiffServ, MPLS) QoS
  • Multi-language
  • 2 Year Warranty

Additional information


Manufacturer Grandstream
Product Type SIP Speaker
Technology IP
HD Audio YES
Ethernet Port 10/100M
Bluetooth YES
Wireless YES
Warranty 2 Years

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