Grandstream One way SIP Intercom Speaker No Mic 15 Watt Speaker (GSC3506)

Grandstream One way SIP Intercom Speaker No Mic 15 Watt SpeakerThe GSC3506 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 30-Watt HD speaker. The GSC3506 support built-in whitelists, blacklists, and greylists to easily block unwanted calls, SIP and multicast paging, group paging, and PTT. The users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to its modern industrial design and rich features, the GSC3506 is the ideal SIP speaker for any setting.Speaker with HD acoustic chamberFeatures SIP paging, multicast paging, call-waiting with priority overrideFull-band and wide-band audio codec support including Opus & G.7221x 2-pin switch-in input port, 1x Alarm-in input port, vol+/- Key, reset, 1x network port, 1x USB portOne 10/100Mbps network port with PoE/ PoE+SPECIFICATIONS:Protocols/StandardsSIP 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+Auxiliary Port One 2-pin switch-in input port, one Alarm-in input port, vol+/- Key, reset, one network port USB Port USB2.0, External USB StorageVoice Codecs and Capabilities G.711/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, PLC, AJB, AGC, ANS Telephony Features SIP Paging, Multicast Paging,Group Paging, PTT, call-waiting with priority overrideHD Audio Yes, HD speaker with support for full-band audioSpeaker30W high-fidelity HD speaker(coaxial) Frequency: 110Hz-20000 Hz Sensitivity: Up to 95 dBA at 1W power at 1 meter QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoSSecurityUser 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 & ChineseUpgrade/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 4Temperature and Humidity Operation: 0C to 45C Storage: -10C to 60C, Humidity: 10% to 90% Non-condensing Package Content GSC3506, Mounting hole cut-Out template, Ceiling mount kit(optional), Quick installation guidePhysical Unit Dimensions: 257.5mm (diameter) x 118mm (depth)Unit Weight:2.09kg , Box Weight: 2.76kg