diff --git a/README.md b/README.md
index e1b3efb1..da310e2c 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,7 @@ in the appropriate channel's topic to use it.
 * `<xiao:phone>` Allows a channel to recieve phone calls from the `phone` command.
 * `<xiao:phone:no-voicemail>` Prevents this channel from recieving voicemails for missed calls.
 * `<xiao:phone:no-random>` Makes the channel only able to be called directly in the `phone` command, rather than be picked at random.
+* `<xiao:phone:block:INSERTIDHERE>` Blocks a channel or server from contacting the channel via phone.
 * `<xiao:phone-book:hide>` Hides a channel from the `phone-book` command.
 * `<xiao:portal>` Allows a channel to recieve portal messages from the `portal-send` command.
 * `<xiao:portal:hide-name>` Hides the channel and server name from the `portal-send` command when your channel is picked.
diff --git a/commands/phone/phone.js b/commands/phone/phone.js
index 17825733..cfe80e8f 100644
--- a/commands/phone/phone.js
+++ b/commands/phone/phone.js
@@ -48,6 +48,8 @@ module.exports = class PhoneCommand extends Command {
 			&& channel.topic
 			&& channel.topic.includes('<xiao:phone>')
 			&& !channel.topic.includes('<xiao:phone:no-random>')
+			&& !channel.topic.includes(`<xiao:phone:block:${msg.channel.id}>`)
+			&& !channel.topic.includes(`<xiao:phone:block:${mag.guild.id}>`)
 			&& !msg.guild.channels.cache.has(channel.id)
 			&& (channelID ? true : !this.client.inPhoneCall(channel)));
 		if (!channels.size) return msg.reply('No channels currently allow phone calls...');
@@ -60,6 +62,12 @@ module.exports = class PhoneCommand extends Command {
 				return msg.reply('This channel does not allow phone calls.');
 			}
 			if (this.client.inPhoneCall(channel)) return msg.reply('This channel is already in a call.');
+			if (channel.topic.includes(`<xiao:phone:block:${msg.channel.id}>`)) {
+				return msg.reply('That channel has blocked this channel from calling them.');
+			}
+			if (channel.topic.includes(`<xiao:phone:block:${mag.guild.id}>`)) {
+				return msg.replY('That channel has blocked this server from calling them.');
+			}
 		} else {
 			channel = channels.random();
 		}
diff --git a/commands/util-public/options.js b/commands/util-public/options.js
index d13165ac..10f69358 100644
--- a/commands/util-public/options.js
+++ b/commands/util-public/options.js
@@ -22,6 +22,7 @@ module.exports = class OptionsCommand extends Command {
 			\`<xiao:phone>\` Allows this channel to recieve phone calls.
 			\`<xiao:phone:no-voicemail>\` Prevents this channel from recieving voicemails for missed calls.
 			\`<xiao:phone:no-random>\` Makes the channel only able to be called directly, rather than picked randomly.
+			\`<xiao:phone:block:INSERTIDHERE>\` Blocks a channel or server from contacting you via phone.
 			\`<xiao:phone-book:hide>\` Hides this channel from \`phone-book\`.
 			\`<xiao:portal>\` Marks the channel as a portal channel for \`portal-send\`.
 			\`<xiao:portal:hide-name>\` Hides the channel's name when the channel is chosen to recieve a portal message.
diff --git a/package.json b/package.json
index 9a883923..30af2525 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "xiao",
-	"version": "119.20.0",
+	"version": "119.21.0",
 	"description": "Your personal server companion.",
 	"main": "Xiao.js",
 	"scripts": {