SIP Click To Call Phone Extension

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "SIP Click To Call Phone Extension",
    "short_name": "Click To Call",
    "description": "It is provide click to call from any web page in browser.",
    "version": "1.7",
    "browser_action": {
        "default_icon": "icon-phone.png",
        "default_popup": "popup.html"
    },
    "permissions": [
        "contextMenus",
        "storage",
        ""
    ],
    "icons": {
        "16": "icon-phone.png",
        "48": "icon-phone.png",
        "128": "icon-phone.png"
    },
    "options_page": "options.html",
    "background": {
        "persistent": true,
        "scripts": [
            "background.js"
        ]
    },
    "web_accessible_resources": [
        "images\/*.png",
        "js\/jquery.js",
        "js\/content_page.js",
        "images\/icon-phone.png"
    ],
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "js\/jquery.js",
                "js\/content_page.js",
                "js\/tinybox.js"
            ],
            "css": [
                "css\/style.css",
                "css\/content_page.css"
            ],
            "html": [
                "options.html"
            ],
            "image": [
                "icon-phone.png"
            ],
            "run_at": "document_end",
            "all_frames": false
        }
    ]
}