[Home](./index.md) > [sip.js](./sip.js.md) > [Dialog](./sip.js.dialog.md) > [localSequenceNumber](./sip.js.dialog.localsequencenumber.md) ## Dialog.localSequenceNumber property Local sequence number (used to order requests from the UA to its peer). Signature: ```typescript readonly localSequenceNumber: number | undefined; ```