---
title: "Star Codes and Feature Extensions"
slug: "star-codes-and-feature-extensions"
updated: 2026-01-13T20:37:12Z
published: 2026-01-13T20:37:12Z
canonical: "docs.ucstack.io/star-codes-and-feature-extensions"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ucstack.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Star Codes and Feature Extensions

| Dialed | Category | Details |
| --- | --- | --- |
| *** | Call Park | Dynamically park a call |
| *<Call Park Extension> | Call Park |  |
| *35<Extension> | Call Pickup | Pickup call from another extension |
| *36 | Call Pickup | Pickup call in Group |
| *37 | Call Pickup | Pickup ringing call within your site |
| *38 | Call Pickup | Pickup ringing call within your site group |
| *39 | Call Pickup | Pickup ringing call within your domain |
| *40 | Forwarding | Activate call forwarding |
| *41 | Forwarding | Set number for forward when busy |
| *42 | Forwarding | Set number for forward when unanswered |
| *44 | Hot Desk | Hot Desk Login |
| *45 | Hot Desk | Hot Desk Logout |
| *50 | Call Center | Log agent in for one call |
| *51 | Call Center | Log agent in for all queues |
| *52 | Call Center | Log agent out for all queues |
| *55<Call Park Extension> | Call Pickup | Pickup call from specific call park |
| *67<Extension or Phone Number> | Features | Call number with privacy |
| *69 | Features | Last call return |
| *72 | Features | Set call forward destination |
| *73 | Features | Disable call forward |
| *75 | Recording | Pause call recording (if enabled) |
| *76 | Recording | Unpause call recording (if enabled) |
| *77 | Features | Activate reject anonymous calls |
| *78 | Features | Activate do not disturb |
| *79 | Features | Disable do not disturb |
| *87 | Features | Disable reject anonymous calls |
| *90 | Forwarding | Activate call forward when busy |
| *91 | Forwarding | Disable call forward when busy |
| *92 | Forwarding | Activate call forward when no answer |
| *93 | Forwarding | Disable call forward when no answer |
| *97 | Voicemail | Access Shared Mailbox (Extension and PIN required) |
| *98 | Voicemail | Access local Mailbox (PIN required) |
| *611 | Support | Contact support for the phone system |
| 005<Extension> | Call Tapping | Start a call tapping session (Listen/Whisper/Barge) |
| *07 | Call Tapping | Set call tap to listen only |
| *08 | Call Tapping | Set call tap to Whisper to extension only |
| *09 | Call Tapping | Set call tap to join call |

A telephony feature that allows a user to place a call on hold in a designated location, allowing another user to retrieve it from that location.