{"id":13551,"date":"2026-04-12T10:03:23","date_gmt":"2026-04-12T10:03:23","guid":{"rendered":"https:\/\/www.siperb.com\/kb\/?p=13551"},"modified":"2026-04-15T20:30:55","modified_gmt":"2026-04-15T20:30:55","slug":"web-phone-sdk-reference","status":"publish","type":"post","link":"https:\/\/www.siperb.com\/kb\/web-phone-sdk-reference\/","title":{"rendered":"SDK Reference"},"content":{"rendered":"\n<p>The Siperb Web Phone SDK exposes a set of core functions under the global <code>window.Siperb<\/code> namespace. This reference documents the primary methods you\u2019ll use to authenticate, provision, and initialise the browser-based phone interface.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Installation<\/h2>\n\n\n\n<p>Include the SDK via CDN in your HTML:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #b35900;\">&lt;script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<span style=\"color: #57804e;\">\/\/ Insert version number here<\/span>.umd.min.js\"&gt;&lt;\/script&gt;<\/span><\/code><\/pre>\n\n\n\n<p>Replace <code>&lt;version_number&gt;<\/code> with the latest release (e.g., <code>1.5.2<\/code>). The SDK will initialise automatically and expose <code>window.Siperb<\/code>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Core Methods<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>Login(accessToken)<\/code><\/h3>\n\n\n\n<p>Authenticates your client with a Personal Access Token. This is the first step in any integration.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter<\/th><th>Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><code>accessToken<\/code><\/td><td>string<\/td><td>A valid Personal Access Token for your Siperb account<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Returns:<\/strong> A session object containing <code>UserId<\/code> and <code>SessionToken<\/code>.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #0550ae;\">const<\/span> session = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"Login\"<\/span>(<span style=\"color: #b35900;\">\"your-personal-access-token\"<\/span>);\n<span style=\"color: #57804e;\">\/\/ session.UserId<\/span>\n<span style=\"color: #57804e;\">\/\/ session.SessionToken<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>GetProvisioning(options)<\/code><\/h3>\n\n\n\n<p>Fetches device provisioning configuration, including SIP credentials, proxy details, and JWT. Optionally caches the result locally.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Option<\/th><th>Type<\/th><th>Required<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><code>UserId<\/code><\/td><td>string<\/td><td>Yes<\/td><td>The user ID from your session<\/td><\/tr><tr><td><code>DeviceToken<\/code><\/td><td>string<\/td><td>No<\/td><td>Unique identifier for this device; generates one if not supplied<\/td><\/tr><tr><td><code>SessionToken<\/code><\/td><td>string<\/td><td>Yes<\/td><td>The session token from <code>Login()<\/code><\/td><\/tr><tr><td><code>EnableCache<\/code><\/td><td>boolean<\/td><td>No<\/td><td>Store provisioning data in localStorage (default: <code>false<\/code>)<\/td><\/tr><tr><td><code>ProvisioningKey<\/code><\/td><td>string<\/td><td>No<\/td><td>Custom key for localStorage; uses default if omitted<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Returns:<\/strong> A provisioning object with SIP credentials, proxy details, and JWT (see Web Phone Configuration Options for structure).<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #0550ae;\">const<\/span> provisioning = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"GetProvisioning\"<\/span>({\n    UserId: session.UserId,\n    SessionToken: session.SessionToken,\n    EnableCache: <span style=\"color: #cf222e;\">true<\/span>\n});\n<span style=\"color: #57804e;\">\/\/ provisioning contains SIP credentials and proxy config<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>LoadBrowserPhone(iframeElement)<\/code><\/h3>\n\n\n\n<p>Loads the browser phone UI into a specified iframe element. Must be called before <code>ProvisionPhone()<\/code>. This prepares the phone interface for rendering.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter<\/th><th>Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><code>iframeElement<\/code><\/td><td>HTMLIFrameElement<\/td><td>Reference to the <code>&lt;iframe&gt;<\/code> that will contain the phone UI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Returns:<\/strong> A promise that resolves when the iframe is ready.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #0550ae;\">const<\/span> phoneFrame = document.getElementById(<span style=\"color: #b35900;\">\"siperb-phone\"<\/span>);\n<span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"LoadBrowserPhone\"<\/span>(phoneFrame);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>ProvisionPhone(options)<\/code><\/h3>\n\n\n\n<p>Configures the phone instance with provisioning credentials and UI settings. Returns the phone API object, which you use to control phone behaviour.<\/p>\n\n\n\n<p>Full option documentation is available in the Web Phone Configuration Options article.<\/p>\n\n\n\n<p><strong>Returns:<\/strong> A phone API object with methods to dial, show notifications, and manage the UI.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #0550ae;\">const<\/span> phone = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"ProvisionPhone\"<\/span>({\n    Provisioning: provisioning,\n    PhoneFrame: phoneFrame,\n    ProfileUserId: <span style=\"color: #b35900;\">\"unique-user-instance-id\"<\/span>,\n    SessionId: session.SessionToken,\n    UserId: session.UserId,\n    UiThemeStyle: <span style=\"color: #b35900;\">\"light\"<\/span>,\n    Language: <span style=\"color: #b35900;\">\"auto\"<\/span>\n});<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Phone API Object<\/h2>\n\n\n\n<p>The phone object returned by <code>ProvisionPhone()<\/code> provides methods to interact with the phone UI and control call behaviour.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>phone.Dial(NumberToDial, WithVideo, Provider)<\/code><\/h3>\n\n\n\n<p>Initiates an outbound call to the specified number.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter<\/th><th>Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><code>NumberToDial<\/code><\/td><td>string<\/td><td>Phone number in E.164 format (e.g., <code>+442071838750<\/code>)<\/td><\/tr><tr><td><code>WithVideo<\/code><\/td><td>boolean<\/td><td>Initiate with video enabled (if supported)<\/td><\/tr><tr><td><code>Provider<\/code><\/td><td>string<\/td><td>Optional provider identifier<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>phone.Dial(<span style=\"color: #b35900;\">\"+442071838750\"<\/span>, <span style=\"color: #cf222e;\">false<\/span>);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>phone.Toast(message)<\/code><\/h3>\n\n\n\n<p>Displays a toast notification in the phone UI. Useful for user feedback without blocking the call.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter<\/th><th>Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><code>message<\/code><\/td><td>string<\/td><td>Notification text to display<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>phone.Toast(<span style=\"color: #b35900;\">\"Call transferred successfully\"<\/span>);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>phone.InitTooltips()<\/code><\/h3>\n\n\n\n<p>Initialises UI tooltips. Call this after the phone is provisioned if you want to enable contextual help on phone controls.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>phone.InitTooltips();<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Complete Integration Example<\/h2>\n\n\n\n<p>Here\u2019s a minimal example showing the full flow:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"color: #0550ae;\">const<\/span> initPhone = <span style=\"color: #0550ae;\">async<\/span> () =&gt; {\n    <span style=\"color: #57804e;\">\/\/ 1. Authenticate<\/span>\n    <span style=\"color: #0550ae;\">const<\/span> session = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"Login\"<\/span>(<span style=\"color: #b35900;\">\"your-pat\"<\/span>);\n\n    <span style=\"color: #57804e;\">\/\/ 2. Get provisioning<\/span>\n    <span style=\"color: #0550ae;\">const<\/span> provisioning = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"GetProvisioning\"<\/span>({\n        UserId: session.UserId,\n        SessionToken: session.SessionToken\n    });\n\n    <span style=\"color: #57804e;\">\/\/ 3. Load UI into iframe<\/span>\n    <span style=\"color: #0550ae;\">const<\/span> phoneFrame = document.getElementById(<span style=\"color: #b35900;\">\"siperb-phone\"<\/span>);\n    <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"LoadBrowserPhone\"<\/span>(phoneFrame);\n\n    <span style=\"color: #57804e;\">\/\/ 4. Provision and start using<\/span>\n    <span style=\"color: #0550ae;\">const<\/span> phone = <span style=\"color: #0550ae;\">await<\/span> window.Siperb.<span style=\"color: #b35900;\">\"ProvisionPhone\"<\/span>({\n        Provisioning: provisioning,\n        PhoneFrame: phoneFrame,\n        ProfileUserId: <span style=\"color: #b35900;\">\"user-123\"<\/span>,\n        SessionId: session.SessionToken,\n        UserId: session.UserId\n    });\n\n    <span style=\"color: #cf222e;\">return<\/span> phone;\n};\n\n<span style=\"color: #0550ae;\">const<\/span> phone = <span style=\"color: #0550ae;\">await<\/span> initPhone();<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">What\u2019s Next<\/h2>\n\n\n\n<p>This is the core SDK reference. For detailed configuration options, see <a href=\"#\" title=\"Web Phone Configuration Options\">Web Phone Configuration Options<\/a>. For hands-on integration examples and best practices, visit <a href=\"https:\/\/web-phone.org\" target=\"_blank\" rel=\"noopener\">web-phone.org<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-hb-message is-style-info wp-block-hb-message--withicon\"><strong>Note:<\/strong> The Web Phone SDK is under active development. Additional methods and features are being added regularly. The complete reference will be published at web-phone.org.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Siperb Web Phone SDK exposes a set of core functions under the global window.Siperb namespace. This reference documents the primary methods you\u2019ll use to authenticate, provision, and initialise the browser-based phone interface. Installation Include the SDK via CDN in your HTML: Replace &lt;version_number&gt; with the latest release (e.g., 1.5.2). The SDK will initialise automatically&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-13551","post","type-post","status-publish","format-standard","hentry","category-web-phone-dev"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Web Phone SDK API Reference<\/title>\n<meta name=\"description\" content=\"API reference for the Siperb Web Phone SDK \u2014 methods, events, callbacks, and examples for building custom SIP phone 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