diff --git a/source/_integrations/telegram_bot.markdown b/source/_integrations/telegram_bot.markdown
index 8192c6d8357..9b5db8855a4 100644
--- a/source/_integrations/telegram_bot.markdown
+++ b/source/_integrations/telegram_bot.markdown
@@ -16,8 +16,6 @@ If you don't need to receive messages, you can use the [broadcast](/integrations
 
 ## Notification services
 
-Available services: `send_message`, `send_photo`, `send_document`, `send_location`, `send_sticker`, `edit_message`, `edit_replymarkup`, `edit_caption`, `answer_callback_query`, `delete_message` and `leave_chat`.
-
 ### Service `telegram_bot.send_message`
 
 Send a notification.
@@ -74,6 +72,26 @@ Send a video.
 | `inline_keyboard`         |      yes | List of rows of commands, comma-separated, to make a custom inline keyboard with buttons with associated callback data. Example: `["/button1, /button2", "/button3"]` or `[[["Text btn1", "/button1"], ["Text btn2", "/button2"]], [["Text btn3", "/button3"]]]` |
 | `message_tag`             |      yes | Tag for sent message. In `telegram_sent` event data: `{{trigger.event.data.message_tag}}` |
 
+### Service `telegram_bot.send_voice`
+
+Send a voice message.
+
+| Service data attribute    | Optional | Description                                      |
+|---------------------------|----------|--------------------------------------------------|
+| `url`                     |       no | Remote path to a voice message. |
+| `file`                    |       no | Local path to a voice message.  |
+| `caption`                 |      yes | The title of the voice message. |
+| `username`                |      yes | Username for a URL which requires HTTP basic authentication. |
+| `password`                |      yes | Password for a URL which requires HTTP basic authentication. |
+| `authentication`          |      yes | Define which authentication method to use. Set to `digest` to use HTTP digest authentication. Defaults to `basic`. |
+| `target`                  |      yes | An array of pre-authorized chat_ids or user_ids to send the notification to. Defaults to the first allowed chat_id. |
+| `disable_notification`    |      yes | True/false to send the message silently. iOS users and web users will not receive a notification. Android users will receive a notification with no sound. Defaults to False. |
+| `verify_ssl`              |      yes | True/false for checking the SSL certificate of the server for HTTPS URLs. Defaults to True. |
+| `timeout`                 |      yes | Timeout for send voice. Will help with timeout errors (poor internet connection, etc) |
+| `keyboard`                |      yes | List of rows of commands, comma-separated, to make a custom keyboard. `[]` to reset to no custom keyboard. Example: `["/command1, /command2", "/command3"]` |
+| `inline_keyboard`         |      yes | List of rows of commands, comma-separated, to make a custom inline keyboard with buttons with associated callback data. Example: `["/button1, /button2", "/button3"]` or `[[["Text btn1", "/button1"], ["Text btn2", "/button2"]], [["Text btn3", "/button3"]]]` |
+| `message_tag`             |      yes | Tag for sent message. In `telegram_sent` event data: `{{trigger.event.data.message_tag}}` |
+
 ### Service `telegram_bot.send_document`
 
 Send a document.