{"id":1275,"date":"2021-07-02T16:14:37","date_gmt":"2021-07-02T23:14:37","guid":{"rendered":"https:\/\/www.algosolutions.com\/?page_id=1275"},"modified":"2025-08-04T15:44:38","modified_gmt":"2025-08-04T22:44:38","slug":"door-gate-intercom","status":"publish","type":"page","link":"https:\/\/www.algosolutions.com\/solutions\/by-application\/door-gate-intercom\/","title":{"rendered":"Secure Door Entry"},"content":{"rendered":"\n<div class=\"wp-block-cover hero hero-inside\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-algo-blue-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading\" id=\"h-algo-secure-door-entry\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-algo-downy-color\">Algo Secure Door Entry<\/mark><\/h1>\n\n\n\n<p class=\"has-lead-font-size\">Algo IP Intercoms for Secure Door Entry &amp; Visitor Communication<\/p>\n\n\n\n<p>Algo IP intercoms and doorphones provide hands-free visitor communication and access control at secure entrances. Algo intercoms are durable and outdoor rated for easy install at doors and gates for both outdoor and indoor locations. Algo secure door intercom systems are 3rd-party compliant with most leading collaboration and integration systems such as SIP, multicast, and API, with analog models available.&nbsp;<\/p>\n\n\n\n<p class=\"has-hero-call-to-action-font-size\"><a href=\"#!\/intro-intercom\/\">Explore INTERCOMS <\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-algo-hero-carousel is-style-image-cover\">\r\n\r\n  <div class=\"carousel\">\r\n\r\n    \r\n      \r\n      <div>\r\n        <figure class=\"wp-block-image alignfull size-large\">\r\n          <img loading=\"lazy\" decoding=\"async\" width=\"782\" height=\"521\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique-1600x1066.jpeg\" class=\"attachment-large size-large\" alt=\"8028 Algo IP Intercoms on pole\" srcset=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique-1600x1066.jpeg 1600w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique-1080x720.jpeg 1080w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique-1536x1024.jpeg 1536w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique.jpeg 2048w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/>        <\/figure>\r\n      <\/div>\r\n\r\n      \r\n      \r\n    \r\n  <\/div>\r\n\r\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"intro-intercom\" class=\"wp-block-group wp-block-section no-observer\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-style-block-content-narrow\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading has-secondary-heading-font-size\" id=\"h-how-algo-intercoms-work\" style=\"padding-top:var(--wp--preset--spacing--70)\">How Algo Intercoms Work<\/h2>\n\n\n\n<p>Algo Intercoms provide hands-free visitor communication at secure entrance doors and gates. The intercoms are outdoor rated, and designed for durability, longevity and security. Algo IP Intercoms are available in various form factors that are fit for purpose, ensuring users can meet the specific operational needs of their environments. &nbsp;Algo IP Intercoms are SIP compliant devices, able to connect seamlessly with leading Unified Communication systems. Algo offers both audio and video intercoms.<\/p>\n\n\n\n<p>Visitors press the call button on the intercom station to initiate calling to a configured extension such as a security desk, building manager, or a hunt group. Answering the intercom call enables two-way communication with the visitor. Generally, any telephone, device, or client on the UC system can communicate with the intercom (e.g., mobile or wireless phone, soft client on a tablet or laptop, desk phone).<\/p>\n\n\n\n<p>Alternatively, the intercom can be called directly, where it will auto-answer to permit a two-way voice call via the intercom station. During the intercom call the telephone keypad can be used to enter a door open code (e.g. digit 6, or up to four digits). Once activated the intercom\u2019s access control relay will permit a momentary unlock of the entrance for the visitor to gain access through the door or gate in a secure and efficient manner. Duration of the relay activation is configurable, as is the open code and the extension called from the intercom station.<\/p>\n\n\n\n<p>&nbsp;A separate controller is available with selected models. The controller is a PoE device, providing connectivity to the UC system, and the relay for door access control. As the controller is generally located inside the premise, this offers a secure solution in the event there is tampering of the public-facing intercom station. The relay and network \/ telephone connection are in no way exposed, and unauthorized entry to the building or access to the network is prevented.<\/p>\n\n\n\n<p style=\"padding-bottom:var(--wp--preset--spacing--70)\">Algo Intercoms can connect to any type of industry-standard door strike, gate activation system, or access \/ security control panel. A normally open or normally closed relay is available from the Algo controller for this purpose. A door strike is not included.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-secondary-heading-font-size\" id=\"h-choosing-an-algo-intercom\">Choosing an Algo Intercom<\/h2>\n\n\n\n<p>Algo IP Intercoms enable organizations to easily establish two-way, hands-free visitor communication.<\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p>Algo door intercom systems easily register into most leading UC, Mass Notification, and Collaboration platforms. Using the DTMF functionality through Algo intercoms, users can access door unlock control with a telephone press from a calling or answering device.<\/p>\n\n\n\n<p style=\"padding-bottom:var(--wp--preset--spacing--50)\">Algo provides two types of intercoms, audio and video.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1182\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2025\/07\/Algo-Intercoms-Lineup-1600x1182.png\" alt=\"Algo IP Intercoms\" class=\"wp-image-69678 size-full\" srcset=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2025\/07\/Algo-Intercoms-Lineup-1600x1182.png 1600w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2025\/07\/Algo-Intercoms-Lineup-1080x798.png 1080w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2025\/07\/Algo-Intercoms-Lineup-1536x1135.png 1536w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2025\/07\/Algo-Intercoms-Lineup-2048x1513.png 2048w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-tertiary-heading-font-size\" id=\"h-audio-intercoms\">Audio Intercoms<\/h3>\n\n\n\n<p>Algo offers a variety of intercoms, including audio-only options. Algo audio intercoms support wideband capability, ensuring organizations can establish clear audio with visitors. The intercoms also offer visitor access control, creating a safe method of establishing two-way communication with those who wish to enter a building or the gated location. Algo\u2019s audio intercoms include:<\/p>\n\n\n\n<ul style=\"padding-bottom:var(--wp--preset--spacing--50)\" class=\"wp-block-list\">\n<li><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/www.algosolutions.com\/product\/8201-ip-poe-intercom\/\">8201 IP PoE Intercom<\/a><\/strong>:<\/span> A versatile, wideband, PoE IP intercom; the 8201 offers excellent audio quality, durability and performance all in a small, compact form factor.<\/li>\n\n\n\n<li><strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.algosolutions.com\/product\/8028-ip-doorphone-intercom\/\">8028 IP Doorphone (Controller + Intercom)<\/a>:<\/span> <\/strong>The 8028 is designed as a two-part system, separating the components of the Algo 8201 into two pieces of hardware, a door station and controller. This unique two-part system serves as an excellent solution for analog intercom retrofits or for organizations requiring additional security benefits.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-tertiary-heading-font-size\" id=\"h-video-intercoms\">Video Intercoms<\/h3>\n\n\n\n<p>Algo video intercoms feature wideband audio for establishing clear communication with visitors while also providing video functionality to monitor visitor behavior at secure door or gate locations. Algo\u2019s security and emergency intercoms allows for real-time video and audio communication between the entrance of a building and a reception desk at an office or in a school. Algo\u2019s video intercoms include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.algosolutions.com\/product\/8039-ip-video-mullion-intercom\/\"><strong>8039 IP Video Mullion Intercom:<\/strong><\/a><\/span> The 8039 offers audible and visual communication with visitors. Featuring wideband audio, wide-angle video and a keypad the narrow footprint of this intercom is ideal for installation on mullion door frames, however, the 8039 can be mounted to any surface.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons alignwide is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.algosolutions.com\/products\/ip-intercoms\/\">EXPLORE Algo Intercoms<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-secondary-heading-font-size\" id=\"h-door-relay-control\" style=\"padding-top:var(--wp--preset--spacing--80)\">Door Relay Control<\/h2>\n\n\n\n<p>Algo door relay control is provided by an Algo Intercom or a dedicated IP Door Controller. For organizations seeking added security, a door controller is always an available option, however some Algo intercoms offer embedded&nbsp; door control ability may not require a door controller. Whether a dedicated door controller is required comes down to the specific Algo Intercom selected.<\/p>\n\n\n\n<p>The 8028 IP Doorphone, 8201 IP PoE Intercom and 8039 IP Mullion Intercom all feature door control capabilities whereas the 8038 IP Multimedia Intercom does not have door control capabilities unless paired with a dedicated door controller.<\/p>\n\n\n\n<p>Algo Intercoms seamlessly integrate with any electronic door strikes featuring relay activation. This compatibility allows for flexible configuration, including normally open (NO) or normally closed (NC) setups, fail-open, fail-lock mechanisms, and compatibility with 24 V power supplies.&nbsp;<\/p>\n\n\n\n<p><strong>Door strikes<\/strong> are essential components of secure access door and gate intercom systems. Algo intercoms function with both electric and magnetic door strikes. Door strikes are power activated, and the conditions of the door strike are indicated as the following:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fail-safe \u2013<\/strong> fail-safe door strikes will default to an open position during a power outage. When an intercom system loses power, the door strike will automatically unlock the door, allowing unrestricted access. Both electric and magnetic door strikes use fail-safe, ensuring exits can still be accessed during emergencies.&nbsp;<\/li>\n\n\n\n<li><strong>Fail-secure \u2013<\/strong> fail-secure door strikes will default to a locked state during a power outage. When an intercom system loses power, the connected door or gate will remain locked, preventing unauthorized entry. Only electric door strikes can use fail-secure, ensuring access control is maintained in high-security environments.&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>Door strikes receive signals from access control systems or intercoms and when valid entry credentials are presented, the control system sends a signal to the door strike, allowing it to release the lock and grant access.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Algo door intercom systems (for business) offer fail open and fail lock settings that can be configured within the web interface of the device. Organizations can choose between these settings based on the needs of the environment and the type of door strike used.&nbsp;<\/p>\n\n\n\n<p><strong>Door Sensors:<\/strong> Algo intercoms include door sensor terminals. With this relay input, Algo intercoms can detect when a door is open or closed.&nbsp;<\/p>\n\n\n\n<p style=\"padding-bottom:var(--wp--preset--spacing--70)\"><strong>Normally Open (NO) and Normally Closed (NC):<\/strong> Algo\u2019s controller provides a NO or NC relay to integrate with a door or gate locking mechanism or access control panel. A momentary open code entered via the telephone keypad during the intercom call will activate the relay for visitor access.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-secondary-heading-font-size\" id=\"h-the-8063-ip-door-controller\">The 8063 IP Door Controller<\/h2>\n\n\n\n<p style=\"padding-bottom:var(--wp--preset--spacing--50)\">As mentioned above, a separate controller is available with selected intercom models. The <a href=\"https:\/\/www.algosolutions.com\/product\/8063-ip-door-controller\/\"><span style=\"text-decoration: underline;\">Algo 8063 IP controller<\/span><\/a> includes the network or telephone connection and the relay input to provide door \/ gate access control. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69772dba2c197&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69772dba2c197\" class=\"aligncenter size-full is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"585\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/02\/8063-Diagram.png\" alt=\"8063 Controller Intercom Doorphone Door station\" class=\"wp-image-30072\" style=\"width:800px\"\/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n\n\n<p style=\"padding-top:var(--wp--preset--spacing--50)\">As the controller is generally located inside the premise, organizations are offered a secure solution in the event there is tampering of the public-facing intercom station. The relay and network \/ telephone connection are in no way exposed, and unauthorized entry to the building or access to the network is prevented.&nbsp;&nbsp;<\/p>\n\n\n\n<p style=\"padding-bottom:var(--wp--preset--spacing--50)\">The access control relay can connect to any type of industry-standard door strike, gate activation system, or access \/ security control panel. A normally open or normally closed relay is available from the Algo controller for this purpose. Door strikes are not included.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69772dba2c790&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69772dba2c790\" class=\"aligncenter size-full is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2024\/03\/Diagram-Controller-Doorstrike-Wiring-8063-v01.png\" alt=\"Pre-wiring instructions for Algo 8063 IP Door Controller\" class=\"wp-image-51616\" style=\"width:800px\" srcset=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2024\/03\/Diagram-Controller-Doorstrike-Wiring-8063-v01.png 1920w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2024\/03\/Diagram-Controller-Doorstrike-Wiring-8063-v01-1080x608.png 1080w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2024\/03\/Diagram-Controller-Doorstrike-Wiring-8063-v01-1600x900.png 1600w, https:\/\/www.algosolutions.com\/wp-content\/uploads\/2024\/03\/Diagram-Controller-Doorstrike-Wiring-8063-v01-1536x864.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div id=\"resources\" class=\"wp-block-group wp-block-section is-style-block-section has-algo-gray-very-light-color has-white-background-color has-text-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading has-lines\" id=\"Resources\">Resources<\/h2>\n\n\n<div class=\"wp-block-algo-documentation-list\">\r\n\r\n  <div class=\"link-wrapper two-col\">\r\n\r\n    \r\n      \r\n      <div class=\"link type-link\">\r\n\r\n        <a href=\"https:\/\/www.algosolutions.com\/resources\/guides\/doorphone-pre-wiring-guide\" class=\"  document-tracking\"  target=\"_blank\">\r\n                    <div class=\"link-content-wrapper\">\r\n            <h3>Doorphone Pre-Wiring Guide<\/h3>\r\n                                  <\/div>\r\n          <span class=\"search-result-arrow\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"6.18\" height=\"10.95\" overflow=\"visible\"><path fill=\"currentColor\" d=\"M.71 10.95L0 10.24l4.77-4.77L0 .71.71 0l5.47 5.47z\"\/><\/svg><\/span>\r\n        <\/a>\r\n\r\n      <\/div>\r\n\r\n    \r\n      \r\n      <div class=\"link type-link\">\r\n\r\n        <a href=\"https:\/\/www.algosolutions.com\/resources\/guides\/door-strike-wiring-options-guide\" class=\"  document-tracking\"  target=\"_blank\">\r\n                    <div class=\"link-content-wrapper\">\r\n            <h3>Door Strike Wiring Options<\/h3>\r\n                                  <\/div>\r\n          <span class=\"search-result-arrow\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"6.18\" height=\"10.95\" overflow=\"visible\"><path fill=\"currentColor\" d=\"M.71 10.95L0 10.24l4.77-4.77L0 .71.71 0l5.47 5.47z\"\/><\/svg><\/span>\r\n        <\/a>\r\n\r\n      <\/div>\r\n\r\n    \r\n  <\/div>\r\n\r\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group wp-block-section is-style-block-section has-algo-gray-very-light-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-lines\" id=\"h-related-content\">Related Content<\/h2>\n\n\n<div class=\"wp-block-algo-cta-cards my-5\">\r\n\r\n  <div class=\"cta-cards-wrapper\">\r\n\r\n  \r\n    \r\n    <div class=\"cta-card is-style-pillar\">\r\n\r\n      <a href=\"https:\/\/www.algosolutions.com\/articles\/smart-relay\/\">\r\n        <div class=\"thumb\">\r\n          <img loading=\"lazy\" decoding=\"async\" width=\"782\" height=\"667\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2022\/08\/8301-Relay_Article-782x667.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Smart Relay Input\" \/>        <\/div>\r\n        <span class=\"category\"><\/span>\r\n        <h2>Feature Overview: Smart Relay<\/h2>\r\n                      <\/a>\r\n\r\n    <\/div>\r\n\r\n    \r\n    <div class=\"cta-card is-style-pillar\">\r\n\r\n      <a href=\"https:\/\/www.algosolutions.com\/articles\/ip-intercom-a-two-part-system\/\">\r\n        <div class=\"thumb\">\r\n          <img loading=\"lazy\" decoding=\"async\" width=\"782\" height=\"782\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2023\/10\/Algo_8028_Oblique-782x782.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"8028 Algo IP Intercoms on pole\" \/>        <\/div>\r\n        <span class=\"category\"><\/span>\r\n        <h2>IP Intercom \u2013 A Two-Part System<\/h2>\r\n                      <\/a>\r\n\r\n    <\/div>\r\n\r\n    \r\n    <div class=\"cta-card is-style-pillar\">\r\n\r\n      <a href=\"https:\/\/www.algosolutions.com\/articles\/secure-door-entry-education\/\">\r\n        <div class=\"thumb\">\r\n          <img loading=\"lazy\" decoding=\"async\" width=\"389\" height=\"547\" src=\"https:\/\/www.algosolutions.com\/wp-content\/uploads\/2021\/07\/Algo-8039-Mullion-Stock-img_adobespark-e1751494998313.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Algo 8039 Mullion Intercom\" \/>        <\/div>\r\n        <span class=\"category\"><\/span>\r\n        <h2>Secure Door Entry in Education<\/h2>\r\n                      <\/a>\r\n\r\n    <\/div>\r\n\r\n    \r\n  \r\n  <\/div>\r\n\r\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Algo&#8217;s secure door intercom system (for businesses, schools, facilities, etc.) enables organizations to easily authenticate visitors and control access. <\/p>\n","protected":false},"author":4,"featured_media":3426,"parent":1001,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"1","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-1275","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Secure Door Entry - Algo Communication Products Ltd.<\/title>\n<meta name=\"description\" content=\"Algo\u2019s SIP door intercom 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