is there any way we can create signaling server using wowza? we are tying to stream webrtc on mobile devices

Missing title. Missing body.

Yes, Wowza Streaming Engine will be the signaling server so you can publish / play WebRTC streams on mobile devices. You can look at the WebRTC examples on GitHub for some demo pages.

To get started on how to setup WebRTC in Wowza Streaming Engine, you should look at the getting started with WebRTC article.