Simple Network Paging Protocol
Grum KETEMA, Anna de LAPPARENT & Philippe LACOUDE
Introduction
The Simple Network Paging Protocol (SNPP) was
designed by Allen Gwinn, Jr. from Southern Methodist University
in the mid-nineties. The protocol is part of the family
of protocols (SMTP,
POP2,
POP3,...) developed by
the Network Working Group of the Internet Engineering Task
Force (IETF).
The first iteration of the SNPP protocol is know
as RFC 1568 (or version 1b)
and was published in January 1994. It was rapidly followed
by RFC 1645 (or version 2).
This version supports one-way paging. A
newer two-way version of the protocol was published by Allen Gwinn
under RFC 1861 (or version
3). The two-way version expands on the one-way version by
providing new verbs to that purpose. To our knowledge,
Nextel is the only large cell phone provider to offer two-way
paging with a standard subscription in North America.
All servers that support the
RFC 1861 (version 3)
also support the RFC
1645 (or version 2.)
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The Simple Network Paging Protocol demontration
 This
application lets you send SMS to pagers, cell phones and PDA
that support either SMTP or SNPP.
Try the application
here.
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We have implemented the latter version 