[Home](./index.md) > [sip.js](./sip.js.md) > [UserAgent](./sip.js.useragent.md) > [makeURI](./sip.js.useragent.makeuri.md) ## UserAgent.makeURI() method Create a URI instance from a string. Signature: ```typescript static makeURI(uri: string): URI | undefined; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | uri | string | The string to parse. | Returns: `URI | undefined` ## Example ```ts const uri = UserAgent.makeURI("sip:edgar@example.com"); ```