---
title: Conference Controls
description: "| Star Code | Application | Description | | --- | --- | --- | | [*]6 | Toggle Mute | Toggle Mute On/Off | | [*]70[+]Participant's number[+]# | Add and Call Participant | add PSTN number or Extension to…"
url: "https://snap-dial.com/docs/conference-controls/"
updated: "2025-12-30"
category: Voice Solutions
---

# Conference Controls

| Star Code | Application | Description |
| --- | --- | --- |
| [*]6 | Toggle Mute | Toggle Mute On/Off |
| [*]70[+]Participant's number[+]# | Add and Call Participant | add PSTN number or Extension to the conference. Must be followed with # to work correctly.  |
| [*]71 | Start Recording     | Recording On |
| [*]73 | Stop Recording | Recording Off |
| [*]74 | Dec Rx Gain | Decrease volume to the participant |
| [*]75 | Reset RxGain | Reset volume to the participant |
| [*]76     | Inc RxGain | Increase volume to the participant |
| [*]77 | Dec Tx Gain | Decrease volume to conference |
| [*]78 | Reset TxGain | Reset volume to conference |
| [*]79 | Inc Tx Gain | Increase volume to conference |
| [*]91 | List Participants | To announce the list of active participants |
| [*]92 | Toggle Announce On/Off | Toggle Announcement On/Off |
| [*]93 | Disconnect All | Disconnect All Other Participants |
| [*]94 | Toggle Conference Lock | Toggle Conference Lock |
| [*]95 | Count Participants | To announce the count of active participants |
| [*]96 | Mute All | Mute All Other Participants |
| [*]97 | Unmute All | Un-mute All Other Participants |
| [*]98 | Speaker Sign-On | Sign-on as Speaker |
| [*]99 | Leader Sign-On | Sign-on as Leader |