[Home](./index.md) > [sip.js](./sip.js.md) > [UserAgent](./sip.js.useragent.md) > [getLoggerFactory](./sip.js.useragent.getloggerfactory.md) ## UserAgent.getLoggerFactory() method The logger factory. Signature: ```typescript getLoggerFactory(): LoggerFactory; ``` Returns: `LoggerFactory`