Slack Module

Arsen Semenov

Table of Contents

1. Admin Guide
1. Overview
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
3. Parameters
3.1. slack url (str)
3.2. channel (str)
3.3. username (str)
3.4. icon_emoji (str)
4. Functions
4.1. slack_send(format)

List of Examples

1.1. Set slack webhook URL parameter
1.2. Set channel parameter
1.3. Set username parameter
1.4. Set icon_emoji parameter
1.5. slack_send usage

Chapter 1. Admin Guide

1. Overview

This module provides integration with Slack over webhooks. Slack integration (

It relays on libcurl through http_client module.

2. Dependencies

2.1. Kamailio Modules

The following modules must be loaded before this module:

  • HTTP_CLIENT - the http_client module should be loaded first.

2.2. External Libraries or Applications

The following libraries or applications must be installed before running Kamailio with this module loaded:

3. Parameters

3.1. slack url (str)

Slack webhook url

Default value is not set (empty)

Example 1.1. Set slack webhook URL parameter

modparam("slack", "slack_url", "")

3.2. channel (str)

Slack channel name

Default value is #kamailio

Example 1.2. Set channel parameter

modparam("slack", "channel", "#kamailio")

3.3. username (str)

Specify the username for the published message

Default value is webhookbot.

Example 1.3. Set username parameter

modparam("slack", "username", "webhookbot")

3.4. icon_emoji (str)

specify an emoji (using colon shortcodes, eg. :white_check_mark:) to use as the profile photo alongside the message.

Default value is :ghost:

Example 1.4. Set icon_emoji parameter

modparam("slack", "icon_emoji", ":ghost:")

4. Functions

4.1.  slack_send(format)

Send a formatted message to slack channel.

The parameters are:

  • format - The formatted string to be send.

The parameters can contain pseudo-variables.

This function can be used from ANY_ROUTE.

Example 1.5. slack_send usage

    slack_send("Hello from Kamailio! caller=$fU;callee=$tU;callid=$ci");