Kannel as an SMS Gateway

1
Kannel as an SMS Gateway

• Short Message Services
• By
• Tarun Dua
• Company Induslogic Inc.
• LUG Affiliation Linux Delhi

2
What is Kannel?

• SMS WAP Gateway
• Acts as a Uniform Gateway Service between various
  types of SMSC(s) for transporting SMS messages

3
Various Terms

• SMSC Short Message Service Center connected to
  Internet
• MO Mobile Originated
• MT Mobile Terminated
• dlr Status Message
• bearerbox Central Queue
• smsbox SMSC connection

4
How does SMS work

• Analogy with E-mail
• Store and Forward
• Delivery Report
• SMSC is analogous to an MTA
• Kannel is analogous to a E-mail Gateway Server

5
WAP vs SMS

• SMS has existed longer than WAP and most phones
  are equipped with SMS capability

6
Why an SMS Gateway

• Better Communication
• SMS enabled phones are pervasive
• Information Enabled Field Force
• Far more SMS enabled phones than PC(s)

7
Kannel Installation

• Binary/RPM/Deb Packages
• or
• Compile from source
• bearerbox ( Core Component)
• smsbox (SMS )

8
Kannel Architecture (MT)

• Simplified View of Kannel

SMSC
SMSBox
SMS Protocols
HTTP Requests
BearerBox
SMSBox
SMSC
9
Kannel Configuration for MT

• Bearerbox Configuration ( Core )
• SMSC configuration

10
SMSBox Configuration

• User Authentication
• URL Translator
• Delivery Reports Handling

11
SMSC Protocols

• cimd, cimd2
• emi, emi_x25
• smpp
• sema
• ois
• http

12
SMS Delivery Reports

• Various Methods
• Internal Storage
• MySQL Storage
• libsdb

13
E-mail to SMS Strategies

• Separate SMS domain
• Processing at MX
• Procmail Handlers
• Separate Pager E-mail Addresses
• mail2sms
• http//www.contactor.se/dast/mail2sms/

14
References

• http//kannel.org
• http//www.contactor.se/dast/mail2sms