In the SBC, navigate to Configuration > System Provisioning > (Category: Trunk Provisioning) > IP Signaling Profile > Ingress IP Attributes > Access Transfer Profile. The window Access Transfer Profile appears. From the IP SIgnaling Profile drop-down menu, select an appropriate IP Signaling Profile. The selected IP Signaling Profile must have its IP Protocol Type parameter set to "SIP Only" or "SIP I". The Ingress IP Attribute feature does not support "Access Transfer Profile" for H.323 IP Protocol Types. The window Edit Access Transfer Profile window appears. If no Atprofiles exist, create an Atprofile ID by clicking the "Atprofile" label. The Atprofile List window displays.View/Edit Access Transfer Profile
Create Atprofile