diff --git a/telegram/commands.go b/telegram/commands.go
index 133e99b..238b774 100644
--- a/telegram/commands.go
+++ b/telegram/commands.go
@@ -17,6 +17,17 @@ import (
 const notEnoughArguments string = "Not enough arguments"
 const telegramNotInitialized string = "Telegram connection is not initialized yet"
 const notOnline string = "Not online"
+var permissionsMember = client.ChatPermissions{
+	CanSendMessages:       true,
+	CanSendMediaMessages:  true,
+	CanSendPolls:          true,
+	CanSendOtherMessages:  true,
+	CanAddWebPagePreviews: true,
+	CanChangeInfo:         true,
+	CanInviteUsers:        true,
+	CanPinMessages:        true,
+}
+var permissionsReadonly = client.ChatPermissions{}
 
 var transportCommands = map[string]command{
 	"login":       command{"phone", "sign in"},
@@ -46,6 +57,8 @@ var chatCommands = map[string]command{
 	"invite":     command{"id or @username", "add user to current chat"},
 	"link":       command{"", "get invite link for current chat"},
 	"kick":       command{"id or @username", "remove user to current chat"},
+	"mute":       command{"id or @username [hours]", "mute user in current chat"},
+	"unmute":     command{"id or @username", "unrestrict user from current chat"},
 	"ban":        command{"id or @username [hours]", "restrict @username from current chat for [hours] or forever"},
 	"leave":      command{"", "leave current chat"},
 	"close":      command{"", "close current secret chat"},
@@ -560,7 +573,61 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
 			ChatId:   chatID,
 			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status:   c.formatRestrict(false, 0),
+			Status:   &client.ChatMemberStatusLeft{},
+		})
+		if err != nil {
+			return err.Error(), true
+		}
+	// mute @username [n hours]
+	case "mute":
+		if len(args) < 1 {
+			return notEnoughArguments, true
+		}
+
+		contact, _, err := c.GetContactByUsername(args[0])
+		if err != nil {
+			return err.Error(), true
+		}
+
+		var hours int64
+		if len(args) > 1 {
+			hours, err = strconv.ParseInt(args[1], 10, 32)
+			if err != nil {
+				return "Invalid number of hours", true
+			}
+		}
+
+		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
+			ChatId:   chatID,
+			MemberId: &client.MessageSenderUser{UserId: contact.Id},
+			Status:   &client.ChatMemberStatusRestricted{
+				IsMember:            true,
+				RestrictedUntilDate: c.formatBantime(hours),
+				Permissions:         &permissionsReadonly,
+			},
+		})
+		if err != nil {
+			return err.Error(), true
+		}
+	// unmute @username
+	case "unmute":
+		if len(args) < 1 {
+			return notEnoughArguments, true
+		}
+
+		contact, _, err := c.GetContactByUsername(args[0])
+		if err != nil {
+			return err.Error(), true
+		}
+
+		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
+			ChatId:   chatID,
+			MemberId: &client.MessageSenderUser{UserId: contact.Id},
+			Status:   &client.ChatMemberStatusRestricted{
+				IsMember:            true,
+				RestrictedUntilDate: 0,
+				Permissions:         &permissionsMember,
+			},
 		})
 		if err != nil {
 			return err.Error(), true
@@ -587,7 +654,9 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
 			ChatId: chatID,
 			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status: c.formatRestrict(true, hours),
+			Status: &client.ChatMemberStatusBanned{
+				BannedUntilDate: c.formatBantime(hours),
+			},
 		})
 		if err != nil {
 			return err.Error(), true
diff --git a/telegram/utils.go b/telegram/utils.go
index cd83874..ca1884c 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -339,19 +339,13 @@ func (c *Client) formatFilePath(basedir string, id string, ext string) string {
 	return fmt.Sprintf("%s/%x%s", basedir, sha256.Sum256([]byte(id)), ext)
 }
 
-func (c *Client) formatRestrict(ban bool, hours int64) client.ChatMemberStatus {
+func (c *Client) formatBantime(hours int64) int32 {
 	var until int32
-	if hours != 0 {
+	if hours > 0 {
 		until = int32(time.Now().Unix() + hours*3600)
 	}
 
-	if ban {
-		return &client.ChatMemberStatusBanned{
-			BannedUntilDate: until,
-		}
-	} else {
-		return &client.ChatMemberStatusLeft{}
-	}
+	return until
 }
 
 func (c *Client) messageToText(message *client.Message) string {