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On the recordRead 7 Oct 202618 facts
Kannel
Plans and prices
Kannel
Free
Open-source WAP and SMS gateway · self-hosted
Read 7 Oct 2026 · kannel.org
On the record
- Download
- The download page identifies version 1.4.5 as the stable release intended for production systems and version 1.5.0 as the development release.kannel.org · read 7 Oct 2026
- Inbound webhooks
- Yeskannel.org · read 24 Sep 2026
- Integration
- Kannel provides an HTTP interface for administration and sending SMS, and its guide documents HTTP and SMPP SMSC connections.kannel.org · read 7 Oct 2026
- License
- The Kannel Software License permits redistribution and modification of source and binary forms subject to its stated conditions.kannel.org · read 7 Oct 2026
- Messaging
- The user guide describes support for mobile-originated and mobile-terminated SMS messages.kannel.org · read 7 Oct 2026
- Platform
- Kannel is mainly developed on Linux and the overview says it should be fairly easy to port to other Unix-like systems.kannel.org · read 7 Oct 2026
- Product
- Kannel is an open-source WAP and SMS gateway for mobile internet connectivity, WAP Push, and SMS messaging.kannel.org · read 7 Oct 2026
- Project history
- The project site says Wapit Ltd. founded Kannel in June 1999 and that the project is coordinated by members of the Kannel Group.kannel.com · read 7 Oct 2026
- Security
- The user guide documents SSL support for HTTP client and server communication, and SSL-enabled SMPP connections.kannel.org · read 7 Oct 2026
- SMSC limits
- The user guide cautions that SMSC drivers do not all support the same features and that many checklist entries are marked not tested.kannel.org · read 7 Oct 2026
- SMS protocols
- The FAQ lists support for CIMD 1.3 and 2.0, SMPP 3.4, UCP/EMI 4.0, SEMA SMS2000 OIS, and AT-protocol modems and phones.kannel.org · read 7 Oct 2026
- SMS use
- It links HTTP-based services to SMS centers and provides a unified interface for sending SMS messages.kannel.org · read 7 Oct 2026
- Support
- The project directs users to its mailing lists for contact information and the developer mailing list for development discussion and patches.kannel.com · read 7 Oct 2026
- Two-way SMS
- Yeskannel.org · read 24 Sep 2026
- WAP features
- The gateway translates WAP requests to HTTP and compresses WML pages for delivery to phones.kannel.org · read 7 Oct 2026
- WAP Push
- The user guide lists support for WAP Push SI and SL.kannel.org · read 7 Oct 2026
