{"id":16361,"date":"2023-09-18T12:35:52","date_gmt":"2023-09-18T09:35:52","guid":{"rendered":"https:\/\/nsys.gr\/product\/grandstream-gsc3516-sip-multicast-talk-back-speaker\/"},"modified":"2025-10-13T16:31:58","modified_gmt":"2025-10-13T13:31:58","slug":"grandstream-gsc3516-sip-multicast-talk-back-speaker","status":"publish","type":"product","link":"https:\/\/nsys.gr\/en\/product\/grandstream-gsc3516-sip-multicast-talk-back-speaker\/","title":{"rendered":"Grandstream GSC3516 SIP\/Multicast Talk-Back Speaker"},"content":{"rendered":"<p>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. By pairing the GSC3516 with other Grandstream devices, including desktop and cordless IP phones a s well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security a nd voice intercom solution. Thanks to it\u2019s modern industrial design, cleanable exterior surface and rich features, the GSC3516 is the ideal intercom speaker\/microphone for any setting.<\/p>\n<ul>\n<li>Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation<\/li>\n<li>3 directional mics with MMAD &amp; microphone beamforming array and 1 omnidirectional auxiliary microphone<\/li>\n<li>Full-band and wide-band audio codec support including Opus &amp; G.722<\/li>\n<li>Integrated dual-band 802.11 a\/b\/g\/n\/ac Wi-Fi and Bluetooth<\/li>\n<li>One 10\/100Mbps network port with PoE\/PoE+<\/li>\n<li>2-pin multi-purpose input to support peripherals including call buttons<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>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.<\/p>\n[button et_class=\"\" target=\"_blank\" style=\"medium white\" url=\"http:\/\/nsys.com.gr\/data\/grandstream\/GSC3516.pdf\" icon=\"\" title=\"DATASHEET\"]\n","protected":false},"featured_media":16376,"template":"","meta":[],"etheme_brands":[{"term_id":175,"name":"Grandstream Networks","slug":"grandstream-networks","term_group":0,"term_taxonomy_id":175,"taxonomy":"brand","description":"","parent":0,"count":189,"filter":"raw"}],"product_brand":[],"product_cat":[713,726,601,715,126],"product_tag":[],"class_list":{"0":"post-16361","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"brand-grandstream-networks","7":"product_cat-grandstream","8":"product_cat-grandstream_intercom_paging","9":"product_cat-intercoms-paging","10":"product_cat-grandstream-unified-communications","11":"product_cat-telephony","13":"first","14":"onbackorder","15":"taxable","16":"shipping-taxable","17":"purchasable","18":"product-type-simple"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/product\/16361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/media\/16376"}],"wp:attachment":[{"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/media?parent=16361"}],"wp:term":[{"taxonomy":"brand","embeddable":true,"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/etheme_brands?post=16361"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/product_brand?post=16361"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/product_cat?post=16361"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nsys.gr\/en\/wp-json\/wp\/v2\/product_tag?post=16361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}