




Grandstream 1-Way Paging Speaker GSC3505
 $139.95  -  $167.23 
- 1-Way speaker with HD acoustic chamber
 - SIP paging, multicast paging, callwaiting with priority override
 - Integrated dual-band Wi-Fi and Bluetooth
 
 Warranty 
 Product Details 
The Grandsgtream GSC3505 is a one-way public address SIP speaker designed for offices, schools, hospitals, and apartments, enhancing security and communication with powerful announcements. It delivers clear HD audio through an 8-watt speaker and supports Bluetooth, whitelists/blacklists for call blocking, SIP and multicast paging, and dual-band Wi-Fi. Pair it with other Grandstream devices for a comprehensive security and PA system. With its modern design and rich features, the GSC3505 is ideal for any setting.
Telephony Features
- SIP Paging
 - Multicast Paging
 - Call-waiting with priority override
 
HD Audio
- Yes, HD speaker with support for full-band audio
 
Speaker
- 8-Watt high-fidelity HD speaker
 
Bluetooth
- Yes, integrated. Bluetooth 4.0 + EDR
 
Wi-Fi
- Yes, dual-band 2.4 & 5GHz
 
Network Interfaces
- (1) x 10/100 Mbps port with integrated PoE/PoE+
 
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
 
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®
 
QoS
- Layer 2 QoS (802.1Q, 802.1p)
 - Layer 3 QoS (ToS, DiffServ, MPLS)
 
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
- Yes, supported
 
Package Content
- GSC3505 SIP Speaker
 - Mounting kits
 - Quick installation guide
 - GPL license
 
Dimensions
- 215.32mm (diameter) x 68.7mm (depth)