[Home](./index.md) > [sip.js](./sip.js.md) > [Transport](./sip.js.transport.md) > [send](./sip.js.transport.send.md) ## Transport.send() method Send a message. Signature: ```typescript send(message: string): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | message | string | Message to send. | Returns: `Promise` ## Remarks ```txt - If `state` is "Connecting", rejects with an Error. - If `state` is "Connected", resolves when the message is sent otherwise rejects with an Error. - If `state` is "Disconnecting", rejects with an Error. - If `state` is "Disconnected", rejects with an Error. ```