diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/SessionManager.java b/openvidu-server/src/main/java/io/openvidu/server/core/SessionManager.java
index 60e46b7f..84653b01 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/core/SessionManager.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/SessionManager.java
@@ -336,6 +336,21 @@ public abstract class SessionManager {
 		}
 		Token tokenObj = tokenGenerator.generateToken(session.getSessionId(), serverMetadata, record, role,
 				kurentoOptions);
+
+		// Internal dev feature: allows customizing connectionId
+		if (serverMetadata.contains("openviduCustomConnectionId")) {
+			try {
+				JsonObject serverMetadataJson = JsonParser.parseString(serverMetadata).getAsJsonObject();
+				String customConnectionId = serverMetadataJson.get("openviduCustomConnectionId").getAsString();
+				customConnectionId = customConnectionId.replaceAll(IdentifierPrefixes.PARTICIPANT_PUBLIC_ID, "");
+				tokenObj.setConnectionId(IdentifierPrefixes.PARTICIPANT_PUBLIC_ID + customConnectionId);
+			} catch (Exception e) {
+				log.debug(
+						"Tried to parse server metadata as JSON after encountering \"openviduCustomConnectionId\" string but failed with {}: {}",
+						e.getClass().getCanonicalName(), e.getMessage());
+			}
+		}
+
 		session.storeToken(tokenObj);
 		return tokenObj;
 	}
diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/Token.java b/openvidu-server/src/main/java/io/openvidu/server/core/Token.java
index 7e1af315..09d68bac 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/core/Token.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/Token.java
@@ -37,7 +37,7 @@ public class Token {
 	private ConnectionProperties connectionProperties;
 	private TurnCredentials turnCredentials;
 
-	private final String connectionId = IdentifierPrefixes.PARTICIPANT_PUBLIC_ID
+	private String connectionId = IdentifierPrefixes.PARTICIPANT_PUBLIC_ID
 			+ RandomStringUtils.randomAlphabetic(1).toUpperCase() + RandomStringUtils.randomAlphanumeric(9);
 
 	public Token(String token, String sessionId, ConnectionProperties connectionProperties,
@@ -118,6 +118,10 @@ public class Token {
 	public String getConnectionId() {
 		return connectionId;
 	}
+	
+	public void setConnectionId(String connectionId) {
+		this.connectionId = connectionId;
+	}
 
 	public JsonObject toJson() {
 		JsonObject json = new JsonObject();