Wireless Communications Transfer Protocol (WCTP) is the method used to send messages to wireless devices such as pagers on NPCS (Narrowband PCS) networks.
It uses HTTP as a transport layer over the World Wide Web.
Development of WCTP was initiated by the Messaging Standards Committee and submitted to the Radio Paging Community.
When the first proposal was received, a sub-committee was established to improve the protocol and issue it as a specification.
The PCIA (Personal Communications Industry) accepted the first full release and adopted the protocol as a PCIA standard.