Simple Network Paging Protocol (SNPP) is a protocol that defines a method by which a

pager A pager (also known as a beeper or bleeper) is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknow ...

can receive a message over the Internet. It is supported by most major paging providers, and serves as an alternative to the paging modems used by many

telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...

services. The protocol was most recently described in . It is a fairly simple protocol that may run over TCP

port A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Ham ...

444 and sends out a page using only a handful of well-documented commands.

Connecting and using SNPP servers

It is relatively easy to connect to a SNPP server only requiring a telnet client and the address of the SNPP server. The port 444 is standard for SNPP servers, and it is free to use from the sender's point of view. Maximum message length can be carrier-dependent. Once connected, a user can simply enter the commands to send a message to a pager connected to that network. For example, you could then issue the PAGE command with the number of the device to which you wish to send the message. After that issue the MESS command with the text of the message you wish to send following it. You can then issue the SEND command to send out the message to the pager and then QUIT, or send another message to a different device. The protocol also allows you to issue multiple PAGE commands, stacking them one after the other, per message effectively allowing you to send the same message to several devices on that network with one MESS and SEND command pair.

References

External links

rfc-editor.org - RFC 1861
Network protocols {{compu-network-stub