{
  "name": "sip",
  "description": "Simple SIP implementation",
  "version": "0.0.2-28",
  "homepage": "http://github.com/kirm/sip.js",
  "author": "Kirill Mikhailov <kirill.mikhailov@gmail.com>",
  "main": "sip",
  "directories": {
    "lib": "",
    "example": "./examples",
    "doc": "./doc"
  },
  "repository": {
    "type": "git",
    "url": "https://github.com/kirm/sip.js.git"
  },
  "engines": {
    "node": ">=0.2.2"
  },
  "devDependencies": {
    "coffee-script": "~1.6.2"
  }
}

{
  "name": "sip",
  "description": "Simple SIP implementation",
  "version": "0.0.2-28",
  "homepage": "http://github.com/kirm/sip.js",
  "author": "Kirill Mikhailov <kirill.mikhailov@gmail.com>",
  "main": "sip",
  "directories": {
    "lib": "",
    "example": "./examples",
    "doc": "./doc"
  },
  "repository": {
    "type": "git",
    "url": "https://github.com/kirm/sip.js.git"
  },
  "engines": {
    "node": ">=0.2.2"
  },
  "dependencies": {
    "ws": "*"
  },
  "devDependencies": {
    "coffee-script": "~1.6.2"
  }
}

Add dependency for websocket module
Add dependency for websocket module