[Home](./index.md) > [sip.js](./sip.js.md) > [InviterInviteOptions](./sip.js.inviterinviteoptions.md) > [withoutSdp](./sip.js.inviterinviteoptions.withoutsdp.md) ## InviterInviteOptions.withoutSdp property If true, send INVITE without SDP. Default is false. Signature: ```typescript withoutSdp?: boolean; ```