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Short Message Peer to Peer Protocol Specification v3.4
NOTE (1): ActiveXperts SMS Component provides developers with a fast and reliable SMPP API. Simply connect to the SMPP provider, bind using your credentials and call SubmitSms to send out the messages. Read more »
NOTE (2): ActiveXperts SMS Messaging Server is an SMS messaging framework to allow sending, receiving and processing SMS messages. It is designed to implement any project that requires SMS messaging. Read more »
Table of Content
- 1. SMPP Introduction
- 2. SMPP Protocol Overview
- 3. SMPP PDU Type and Format Definitions
- 4. SMPP PDU Definition
- 5. SMPP Parameter Definition
- 6. Network Implementation
- 7. General Definitions
1. SMPP Introduction
1.1 SMPP Overview
The Short Message Peer to Peer (SMPP) protocol is an open, industry standard protocol designed to provide a flexible data communications interface for transfer of short message data between a Message Center, such as a Short Message Service Centre (SMSC), GSM Unstructured Supplementary Services Data (USSD) Server or other type of Message Center and a SMS application system, such as a WAP Proxy Server, EMail Gateway or other Messaging Gateway.
SMPP Release v3.4 supports Digital Cellular Network technologies including:
- GSM
- IS-95 (CDMA)
- ANSI-136 (TDMA)
- iDEN
Using the SMPP protocol, an SMS application system called the 'External Short Message Entity' (ESME) may initiate an application layer connection with an SMSC over a TCP/IP or X.25 network connection and may then send short messages and receive short messages to and from the SMSC respectively. The ESME may also query, cancel or replace short messages using SMPP.
SMPP supports a full featured set of two-way messaging functions such as:
- Transmit messages from an ESME to single or multiple destinations via the SMSC
- An ESME may receive messages via the SMSC from other SME's (e.g. mobile stations).
- Query the status of a short message stored on the SMSC
- Cancel or replace a short message stored on the SMSC
- Send a registered short message (for which a 'delivery receipt' will be returned by the SMSC to the message originator)
- Schedule the message delivery date and time
- Select the message mode, i.e. datagram or store and forward
- Set the delivery priority of the short message
- Define the data coding type of the short message
- Set the short message validity period
- Associate a service type with each message e.g. voice mail notification
1.2 Scope
This document defines Version 3.4 of the SMPP protocol and specifies the command response format to be used when implementing an SMPP v3.4 protocol interface. It is intended for designers and implementers of an SMPP v3.4 interface between an SMSC an External Short Message Entity (ESME), as illustrated in the following diagram.
1.3 Glossary
ACK
Acknowledgement
AIM
Application Interface Module
API
Application Programming Interface
CDR
Call Detail Record
ESME
External Short Message Entity.
External Short Message Entity. In the context of this document this refers to such external sources and sinks of short messages as Voice Processing or Message Handling computers. It specifically excludes SMEs which are part of the interface to the PLMN.
ETSI
European Telecommunications Standards Institute
HEADER
Leading portion of the SMPP message, common to all SMPP PDUs
MB
Message Bureau - This is typically an operator message bureau.
MSB
ost Significant Byte.
MSC
Mobile Switching Centre.
MS
Mobile Station.
MWI
Message Waiting Indication.
NACK / NAK
Negative Acknowledgement.
NAK
Negative Acknowledgement.
NSAP
Network Service Access Point.
PDU
Protocol Data Unit.
PSSD
Process Unstructured Supplementary Services Data.
PSSR
Process Unstructured Supplementary Services Request.
SME
Short Message Entity.
SMSC
Short Message Service Centre.
SMPP
Short Message Peer to Peer Protocol.
TIA
Telecommunications Industry Association.
VC
Virtual Connection.
Virtual Connection. This refers to a virtual circuit in the X.25 implementation.
UDHI
User Data Header Indicator.
URL
Uniform Resource Locator.
USSN
Unstructured Supplementary Services Notification.
USSR
Unstructured Supplementary Services Request.
VMA
VoiceMail Alert or Message Waiting Indication (MWI).
VPS
Voice Processing System
WAP
Wireless Application Protocol (http://www.wapforum.org).
WAP
Wireless Application Protocol (http://www.wapforum.org).
WDP
Wireless Datagram Protocoll.
1.4 References
| Ref. | Document Title | Document Number | Number |
|---|---|---|---|
| [GSM 03.40] | Technical Realisation of the Short | GSM 03.40 | v5.7.1 |
| Message Service Point to Point | http://www.etsi.fr | ||
| [GSM 03.38] | "Digital Cellular telecommunica- tions system (Phase 2+); Alphabets and language specific information". | [GSM 03.38] | v5.5.1 |
| http://www.etsi.fr | Sept. '97 | ||
| [GSM MAP 09.02] | GSM Mobile Application Part | [GSM MAP 09.02] | v5.11.0 |
| http://www.etsi.fr | |||
| [IS637] | Short Message Service for Spread | TIA/EIA/IS-637-A | Rev A |
| Spectrum Systems | |||
| [TSAR] | Teleservice Segmentation and Reassembly(TSAR) | TIA/EIA-136-620 | Rev 0 |
| [CMT-136] | Short Message Service - Cellular | TIA/EIA-136-710-A | Rev A |
| Messaging Teleservice | |||
| [GUTS] | General UDP Transport Service | TIA/EIA-136-750 | Rev 0 |
| (GUTS) | |||
| [WAPARCH] | Wireless Application Protocol | WAP Forum | Version |
| Architecture Specification | http://www.wapforum.org | 30-Apr.-1998 | |
| [WCMP] | Wireless Control Message Protocol | WAP Forum | Version |
| Specification | http://www.wapforum.org | 12-June-1998 | |
| [WDP] | Wireless Datagram Protocol Specification | WAP Forum | Version |
| http://www.wapforum.org | 10-Feb.-1999 | ||
| [ITUT X.213] | Open Systems Interconnection - Network Service Definition | [ITUT X.213] | 11/95 |
| [KOR ITS] | PCS operators common standards for handset- SMS functionalities | PCS standardization committee PCS-SMS-97-05-28 | 1.06 Rev 99-04-30 |