{"id":13574,"date":"2026-04-12T10:19:45","date_gmt":"2026-04-12T10:19:45","guid":{"rendered":"https:\/\/www.siperb.com\/kb\/web-phone-provisioning-proxy\/"},"modified":"2026-04-18T13:26:59","modified_gmt":"2026-04-18T13:26:59","slug":"web-phone-provisioning-proxy","status":"publish","type":"post","link":"https:\/\/www.siperb.com\/kb\/web-phone-provisioning-proxy\/","title":{"rendered":"Using Siperb Provisioning and Proxy"},"content":{"rendered":"\n

With the 3rd option you will use all the options, and have the most secure solution. Your PBX credentials are securely stored, out of sight from your users or even the public \u2013 you use “Connections<\/strong>” to connect with any number of PBX services, or ISPs. The next two options cover using Siperb as a provisioning service, and as a secure proxy (no exposed passwords), but we can still offer two ways to make the actual phone client, either use your own custom code (with a few extra headers), or just use our entire solution.<\/p>\n\n\n\n

Option A \u2014 Login, Provision, Use Proxy and load a custom client<\/h2>\n\n\n\n

With this option, you will use the Web Phone SDK to login, and provision your own custom phone client using something like SIP.js, JsSIP, SIPml or even your own SIP JavaScript.<\/p>\n\n\n\n

Note:<\/strong> You will have to add a Connection<\/strong> to the proxy in order to route calls between the client and your PBX.<\/p>\n\n\n\n

Step 1 \u2014 Add a connection to the proxy<\/h3>\n\n\n\n

To add a connection to the proxy, you must login as either yourself or as an Administrator to a Domain User.<\/p>\n\n\n\n

Once logged in as an owner, go to:
Setting Window<\/strong> -> Admin Control Panel<\/strong> -> Connections<\/strong> -> Add Connection<\/strong><\/p>\n\n\n\n

Once logged in as an administrator, go to:
Setting Window<\/strong> -> Admin Control Panel<\/strong> -> Domain Users<\/strong> -> (select the user) -> Connections<\/strong> (Tab) -> Add Connections<\/strong><\/p>\n\n\n\n

In the Add Connection window, select either Inbound Registration<\/strong><\/a>, Outbound Registration<\/a><\/strong>, or Outbound Trunk<\/a><\/strong>. You can read more about each type from the links. Each offers a slightly different technique to connect the Siperb Proxy with your PBX.<\/p>\n\n\n\n

Step 2 \u2014 Load the Web Phone SDK<\/h3>\n\n\n\n

You will need to load the Web Phone SDK. Make sure you get the latest version from the CDN<\/strong>, or use the release code from the Github Repo: https:\/\/github.com\/Siperb\/Web-Phone\/releases<\/a><\/p>\n\n\n\n

Add the UDM JavaScript SDK to your page in the Head or Body. The script can load at any time, and can be loaded as async<\/code> :<\/p>\n\n\n\n

<head>\n    ... (Other Headers)\n    <script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n<\/head>\n\nor\n\n<body>\n    ... (site content)\n    <script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n<\/body><\/code><\/pre>\n\n\n\n
Note:<\/strong> This exposes the SDK via a browser\/global window.Siperb<\/code> namespace, but since the code could be loaded at any time (via async<\/code>), you must wait for the page to load before you use the SDK. window.addEventListener('load', async () => {  })<\/use_the_sdk><\/code><\/p>\n\n\n\n
Step 3 \u2014 Available SDK functions<\/h3>\n\n\n\n
The following objects are exported to the global namespace (window.Siperb<\/code>) when the script loads. (If you are using ESM library, then these will become available to import).<\/p>\n\n\n\n
\/**\n * Login - fetches your session token using your access token.\n * @param {string} pat - Your Personal Access Token (PAT) generated from the Admin Control Panel\n * @returns {Promise<Object>} - resolves with session object\n *\/<\/span>\nLogin(pat)\n\n\/**\n * GetProvisioning - fetches provisioning data and sets window.Siperb.PROVISIONING\n * @param {Object} options - options for provisioning retrieval\n * @returns {Promise<Object>} - resolves with provisioning object\n *\/<\/span>\nGetProvisioning(options)<\/code><\/pre>\n\n\n\n
Note:<\/strong> You have to execute LoadBrowserPhone()<\/code> first, and you must await<\/code> for the return before you can provision the phone.<\/p>\n\n\n\n
Step 4 \u2014 Configure your SIP client<\/h3>\n\n\n\n
Since you will be using your own phone client, you will need to perform a few additional steps to your own chosen SDK. The following example is for JsSIP, but the same principle will be applied for SIPJS or others.<\/p>\n\n\n\n
\/\/ Place in Head<\/span>\n<script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n\n\/\/ Place in Head<\/span>\n<script>\nconst<\/span> main = async<\/span> function<\/span>() {\n    const<\/span> accessToken = \"<YOUR_PERSONAL_ACCESS_TOKEN>\";   \/\/ Personal Access Token from ACP<\/span>\n    let<\/span> session;\n    try<\/span> {\n        session = await<\/span> window.Siperb.Login(accessToken);\n    } catch<\/span> (error) {\n        console.error('Failed to get session:', error); return<\/span>;\n    }\n\n    const<\/span> prov = await<\/span> window.Siperb.GetProvisioning({\n        UserId: session.UserId,                      \/\/ Your user id returned from Login<\/span>\n        DeviceToken: \"<YOUR_KNOWN_DEVICE_TOKEN>\";    \/\/ Device Token from ACP<\/span>\n        SessionToken: session.SessionToken,          \/\/ Your session token returned from Login<\/span>\n        EnableCache: true<\/span>,                           \/\/ Turn caching on or off<\/span>\n        ProvisioningKey: \"SIPERB_PROVISIONING\"<\/span>.      \/\/ Key used in localstorage<\/span>\n    });\n    \n    \/\/ Build WebSocket server URL<\/span>\n    const<\/span> wsServer = `wss:\/\/${prov.SipWssServer}:${prov.SipWebsocketPort}\/${prov.SipServerPath}`<\/span>;\n\n    \/\/ Example JsSIP configuration using provisioning details<\/span>\n    const<\/span> socket = new<\/span> window.JsSIP.WebSocketInterface(wsServer);\n    const<\/span> configuration = {\n        sockets: [socket],\n        uri: `sip:${prov.SipUsername}@${prov.SipDomain}`<\/span>,\n        password: provisioning.SipPassword,\n        contact_uri: `sip:${prov.ContactUserName}@${provisioning.SipDomain}`<\/span>,\n        extra_headers: [\n            `X-Siperb-Sid: ${session.SessionToken}`<\/span>,       \/\/ Your Siperb Session token<\/span>\n            `X-Siperb-Uid: ${session.UserId}`<\/span>,             \/\/ Your Siperb User ID<\/span>\n            `Authorization: Bearer ${provisioning.SipJwt}`<\/span> \/\/ Your Siperb JSON Web Token<\/span>\n        ]\n    };\n\n    \/\/ Start JsSIP UserAgent<\/span>\n    const<\/span> ua = new<\/span> window.JsSIP.UA(configuration);\n    ua.start();\n    console.log('JsSIP UA started.');\n\n    \/\/ Example: Make an outbound call with custom headers<\/span>\n    const<\/span> target = 'sip:*65@${prov.SipWssServer}';\n    const<\/span> eventHandlers = Array;\n    const<\/span> options = {\n        extraHeaders: [\n            `X-Siperb-Sid: ${session.SessionToken}`<\/span>,       \/\/ Your Siperb Session token<\/span>\n            `X-Siperb-Uid: ${session.UserId}`<\/span>,             \/\/ Your Siperb User ID<\/span>\n            `Authorization: Bearer ${provisioning.SipJwt}`<\/span> \/\/ Your Siperb JSON Web Token<\/span>\n        ]\n        \/\/ ...other call options as needed<\/span>\n    };\n    ua.call(target, options);\n    console.log('Outbound call initiated with custom headers.');\n    \/\/ End of demonstration<\/span>\n}\nwindow.addEventListener('load', async<\/span> function<\/span>(){ await<\/span> main() });\n<\/script><\/code><\/pre>\n\n\n\n
\n\n\n\n
Option B \u2014 Login, Provision, Use Proxy and load Browser Phone SDK<\/h2>\n\n\n\n
With this option, you will use the Web Phone SDK to login, and provision the Browser Phone SDK, and have a complete secure operational SIP based phone embedded into your web page.<\/p>\n\n\n\n
Note:<\/strong> You will have to add a Connection<\/strong> to the proxy in order to route call between the client and your PBX.<\/p>\n\n\n\n
Step 1 \u2014 Add a connection to the proxy<\/h3>\n\n\n\n
To add a connection to the proxy, you must login as either yourself or as an Administrator to a Domain User.<\/p>\n\n\n\n
Once logged in as an owner, go to:
Setting Window<\/strong> -> Admin Control Panel<\/strong> -> Connections<\/strong> -> Add Connection<\/strong><\/p>\n\n\n\n
Once logged in as an administrator, go to:
Setting Window<\/strong> -> Admin Control Panel<\/strong> -> Domain Users<\/strong> -> (select the user) -> Connections<\/strong> (Tab) -> Add Connections<\/strong><\/p>\n\n\n\n
 In the Add Connection window, select either Inbound Registration<\/strong><\/a>, Outbound Registration<\/a><\/strong>, or Outbound Trunk<\/a><\/strong>. You can read more about each type from the links. Each offers a slightly different technique to connect the Siperb Proxy with your PBX.<\/p>\n\n\n\n
You will need to load the Web Phone SDK. Make sure you get the latest version from the CDN<\/strong>, or use the release code from the Github Repo: https:\/\/github.com\/Siperb\/Web-Phone\/releases<\/a><\/p>\n\n\n\n
Add the UDM JavaScript SDK to your page in the Head or Body. The script can load at any time, and can be loaded as async<\/code> :<\/p>\n\n\n\n
<head>\n    ... (Other Headers)\n    <script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n<\/head>\n\nor\n\n<body>\n    ... (site content)\n    <script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n<\/body><\/code><\/pre>\n\n\n\n
Note:<\/strong> This exposes the SDK via a browser\/global window.Siperb<\/code> namespace, but since the code could be loaded at any time (via async<\/code>), you must wait for the page to load before you use the SDK. window.addEventListener('load', async () => {  })<\/use_the_sdk><\/code><\/p>\n\n\n\n
The following objects are exported to the global namespace (window.Siperb<\/code>) when the script loads. (If you are using ESM library, then these will become available to import).<\/p>\n\n\n\n
\/**\n * Login - fetches your session token using your access token.\n * @param {string} pat - Your Personal Access Token (PAT) generated from the Admin Control Panel\n * @returns {Promise<Object>} - resolves with session object\n *\/<\/span>\nLogin(pat)\n\n\/**\n * GetProvisioning - fetches provisioning data and sets window.Siperb.PROVISIONING\n * @param {Object} options - options for provisioning retrieval\n * @returns {Promise<Object>} - resolves with provisioning object\n *\/<\/span>\nGetProvisioning(options)\n\n\n\/**\n * Load the Browser Phone into the IFRAME\n * @param {HTMLIFrameElement} The iframe element to load the phone into \n * @returns {Promise<Object>} - resolves when done, or rejects with error\n *\/<\/span>\nLoadBrowserPhone(iframeElement)\n\n\/**\n * \n * @param {Object} options object with the following properties:\n * @param {Object} options.Provisioning - The provisioning object\n * @param {HTMLIFrameElement} options.PhoneFrame - The iframe element containing the phone\n * @param {string} options.ProfileUserId - The Profile User ID (Device ID)\n * @param {string} options.SessionId - The current session ID\n * @param {string} options.UserId - The current user ID\n * @param {function} [options.OnLoad] - Optional OnLoad callback function\n * @returns {Promise} - Resolves when the phone is provisioned, or rejects with an error\n *\/<\/span>\nProvisionPhone(options)<\/code><\/pre>\n\n\n\n
Note:<\/strong> You have to execute LoadBrowserPhone()<\/code> first, and you must await<\/code> for the return before you can provision the phone.<\/p>\n\n\n\n
Step 3 \u2014 Complete example<\/h3>\n\n\n\n
The complete code of this solution is as follows: <\/p>\n\n\n\n
\/\/ Place in Head<\/span>\n<script src=\"https:\/\/cdn.siperb.com\/lib\/Siperb-Web-Phone\/Web-Phone-<version_number>.umd.min.js\"><\/script>\n\n\/\/ Sample IFRAME in DOM<\/span>\n<iframe\n  id=\"phoneFrame\"<\/span>\n  style=\"width:400px; height:640px; border:1px solid #000000; border-radius:5px; overflow:hidden;\"<\/span>\n  allow=\"microphone; autoplay\"<\/span>\n><\/iframe>\n\n\/\/ Place in Head<\/span>\n<script>\nconst<\/span> main = async<\/span> function<\/span>() {\n    const<\/span> accessToken = \"<YOUR_PERSONAL_ACCESS_TOKEN>\";   \/\/ Personal Access Token from ACP<\/span>\n    let<\/span> session;\n    try<\/span> {\n        session = await<\/span> window.Siperb.Login(accessToken);\n    } catch<\/span> (error) {\n        console.error('Failed to get session:', error); return<\/span>;\n    }\n\n    const<\/span> provisioning = await<\/span> window.Siperb.GetProvisioning({\n        UserId: session.UserId,                      \/\/ Your user id returned from Login<\/span>\n        DeviceToken: \"<YOUR_KNOWN_DEVICE_TOKEN>\";    \/\/ Device Token from ACP<\/span>\n        SessionToken: session.SessionToken,          \/\/ Your session token returned from Login<\/span>\n        EnableCache: true<\/span>,                           \/\/ Turn caching on or off<\/span>\n        ProvisioningKey: \"SIPERB_PROVISIONING\"<\/span>.      \/\/ Key used in localstorage<\/span>\n    });\n    \n    const<\/span> thePhoneFrame = document.getElementById(\"phoneFrame\"<\/span>);\n    await<\/span> window.Siperb.LoadBrowserPhone(thePhoneFrame);\n    const<\/span> phoneAPI = await<\/span> window.Siperb.ProvisionPhone({\n        Provisioning : provisioning,            \/\/ The returned provisioning object<\/span>\n        PhoneFrame : thePhoneFrame,             \/\/ The HTMLIFrameElement object<\/span>\n        ProfileUserId : \"<instance_id>\",        \/\/ Any string to identify this instance<\/span>\n        SessionId : \"<session_id>\",             \/\/ Any string to identify this session<\/span>\n        UserId : \"<user_id>\",                   \/\/ Any string to identify this user<\/span>\n        \/\/ Optional Settings<\/span>\n        EnableAvatar : true<\/span>,                    \/\/ Show user avatar\/profile picture<\/span>\n        EnabledSettings : false<\/span>,                \/\/ Show settings button<\/span>\n        EnableDialPad : true<\/span>,                   \/\/ Show dial pad button<\/span>\n        EnableDisplayCallDetailRecords : true<\/span>,  \/\/ Show call detail records button<\/span>\n        EnableCallTransfer : true<\/span>,              \/\/ Enable call transfer feature <\/span>\n        EnableCallHold : true<\/span>,                  \/\/ Enable call hold feature<\/span>\n        EnableCallMute : true<\/span>,                  \/\/ Enable call mute feature<\/span>\n        EnableCallRecording : true<\/span>,             \/\/ Enable call recording feature<\/span>\n        EnableDeviceSelector : true<\/span>,            \/\/ Enable media device selection<\/span>\n        \/\/ Settings normally in settings window<\/span>\n        EnableAutoAnswer : false<\/span>,               \/\/ Auto answer incoming calls<\/span>\n        EnableDoNotDisturb : false<\/span>,             \/\/ Do not disturb mode<\/span>\n        EnableCallWaiting : false<\/span>,              \/\/ Call waiting feature<\/span>\n        Language : 'auto',                      \/\/ e.g. 'en-US' etc.<\/span>\n        DisplayDateFormat : 'MMM DD, YYYY',     \/\/ Moment JS date format<\/span>\n        DisplayTimeFormat : 'hh:mm A',          \/\/ Moment JS date time format<\/span>\n        UiThemeStyle : 'light',                 \/\/ 'light', 'dark', or 'system'<\/span>\n        \/\/ Optional: Callback when the phone UI has loaded and is ready<\/span>\n        OnLoad : function<\/span>(){\n            phoneAPI.Toast(\"Browser Phone UI has loaded and is ready.\"<\/span>);\n        }\n        \/\/ Additional option go here...<\/span>\n    });\n    \/\/ Add\/Edit callbacks on phoneAPI here.  <\/span>\n    phoneAPI.InitTooltips(); \/\/ Apply the tool tips<\/span>\n    \/\/ Done<\/span>\n    console.log('\u2705 Browser Phone provisioned and running.');\n}\nwindow.addEventListener('load', async<\/span> function<\/span>(){ await<\/span> main() });\n<\/script><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
With the 3rd option you will use all the options, and have the most secure solution. Your PBX credentials are securely stored, out of sight from your users or even the public \u2013 you use “Connections” to connect with any number of PBX services, or ISPs. The next two options cover using Siperb as a…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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-13574","post","type-post","status-publish","format-standard","hentry","category-web-phone-dev"],"yoast_head":"\nWeb Phone Proxy Provisioning<\/title>\n<meta name=\"description\" content=\"Web Phone proxy provisioning \u2014 connecting the Web Phone SDK to Siperb's proxy for secure call routing, transcoding support, and centralised credentials.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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