Create new extention IAX2

Hello all.
I’m new member and i’m working with freepbx. I’ve already extention SIP and call Extention Number together. But i created Extetion IAX2 but when i use SoIPer for IAX2 but when register it’s not working.Pls help me about this.

Try to set requirecalltoken=no at the IAX2 extension settings page.