Grandstream GSC3516 SIP/Multicast Talk-Back Speaker
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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Grandstream GSC3516 SIP/Multicast Talk-Back Speaker

Available:In Stock
£212.49
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Grandstream GSC3516 SIP/Multicast Talk-Back Speaker

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.

Grandstream GSC3516 SIP/Multicast Talk-Back Speaker Key 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

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.

Grandstream GXV3450 16-Line IP Video Phone Technical Specifications:

Network Interfaces

  • One 10/100 Mbps port with integrated PoE/PoE+

Operating System 

  • Linux

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®

Bluetooth

  • Yes, integrated. Bluetooth 2.1+Enhanced Data Rate (EDR)+ BT4.2

Wi-Fi

  • Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n/ac

Auxiliary Ports

  • One 2-pin multi-purpose input port, Reset

HD Audio 

  • Yes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency

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

Speaker

  • 15W high-fidelity HD speaker
    Frequency: 110Hz-20000 Hz
    Sensitivity: Up to 90 dBA at 1W power at 0.5 meter

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

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

Power & Green Energy Efficiency

  • Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4

Package Contents

  • 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

Grandstream GSC3516 SIP/Multicast Talk-Back Speaker

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.

Grandstream GSC3516 SIP/Multicast Talk-Back Speaker Key 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

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.

Grandstream GXV3450 16-Line IP Video Phone Technical Specifications:

Network Interfaces

  • One 10/100 Mbps port with integrated PoE/PoE+

Operating System 

  • Linux

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®

Bluetooth

  • Yes, integrated. Bluetooth 2.1+Enhanced Data Rate (EDR)+ BT4.2

Wi-Fi

  • Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n/ac

Auxiliary Ports

  • One 2-pin multi-purpose input port, Reset

HD Audio 

  • Yes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency

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

Speaker

  • 15W high-fidelity HD speaker
    Frequency: 110Hz-20000 Hz
    Sensitivity: Up to 90 dBA at 1W power at 0.5 meter

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

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

Power & Green Energy Efficiency

  • Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4

Package Contents

  • 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

Understanding Our Returns and Refunds Policy

Easy Returns for Your Convenience

At our company, we believe that shopping should be hassle-free. This is why we have made our returns and refunds process as easy as possible. If you receive a product that doesn’t meet your expectations or is defective, you can return it within 30 days for a full refund. Our team is always here to assist you, so you don’t have to worry about complicated steps when returning an item.

Refund Process Made Simple

Once we receive your returned item, we initiate the refund process immediately. Typically, refunds are processed within 5-7 business days. However, there might be variations due to your bank's policies. We understand that getting your money back promptly is essential, which is why we prioritize quick refunds. Because of this efficiency, customers can trust that their satisfaction is our highest priority.

Customer Support for Returns and Refunds

If you have questions about our returns and refunds, our customer support team is always ready to help. You can reach out via email or phone for assistance with your return. We want you to feel confident when making a purchase, and knowing that we value customer support makes the process smoother. So, don’t hesitate to contact us if you need clarification or help!