This TS describes the Service Principles for PLMNs specified by 3GPP.
3GPP specifications provide integrated personal communications services. The system will support different applications ranging from narrow-band to wide-band communications capability with integrated personal and terminal mobility to meet the user and service requirements of the 21st century.
for V14, V15:
(F) Support of Emergency sessions over WLAN
(F) Clarification of PARLOS indicator and use without a UICC