--- title: "R20A Door Phone Admin Guide" slug: "r20-door-phone-admin-guide" type: "index" canonical: "knowledge.akuvox.com/r20-door-phone-admin-guide" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt > Use this file to discover all available pages before exploring further. # Akuvox R20A/B Door Phone Administrator Guide 28 articles ## [About This Manual](https://knowledge.akuvox.com/docs/about-this-manual-2.md) Updated on 2026-08-14 | Published on 2026-03-13 Thank you for choosing the Akuvox R20 series door phone. This manual is intended for administrators who need to properly configure the door phone. It applies to 320.30.12.104 and provides all the... ## [Product Overview](https://knowledge.akuvox.com/docs/product-overview.md) Updated on 2025-03-10 The Akuvox R20 series can be connected with indoor monitors for remote access control and communication. They allow audio calls with visitors and open the door. ## [Changelog](https://knowledge.akuvox.com/docs/changelog-6.md) Updated on 2026-08-14 | Published on 2026-03-13 What’s new in version 320.30.12.104: Support configuring the input schedule . Click here to view the changelog of the device’s previous version. ## [Model Specification](https://knowledge.akuvox.com/docs/model-specification.md) Updated on 2026-09-15 | Published on 2026-06-15 Supported Card Types The device’s firmware should be 320.30.11.21 or higher: Unencrypted ID Card: EM4100 EM4200 Unencrypted IC Card: Mifare Ultralight C/EV1 Mifare Classic Compatible Card Mifare... ## [Access the Device](https://knowledge.akuvox.com/docs/access-the-device-3.md) Updated on 2025-06-23 Obtain Device IP Address Check the Device IP address by holding the push button for 5 seconds. Or, search the device IP with the IP scanner in the same local network. Access the Device Settings You... ## [Introduction to Configuration Menu](https://knowledge.akuvox.com/docs/introduction-to-configuration-menu-6.md) Updated on 2025-08-08 Quick Start : This section provides quick access to the device’s key settings such as network, user, relay, etc. Device Management : Status : This section gives you basic information such as product... ## [Language and Time](https://knowledge.akuvox.com/docs/language-and-time-setting.md) Published on 2026-03-13 Language You can switch the web language on the Setting > Time/Lang > Web Language interface. The following languages are supported: English, Simplified Chinese, Traditional Chinese, Russian, Spanish,... ## [LED Setting](https://knowledge.akuvox.com/docs/led-setting.md) Updated on 2025-12-31 LED Fill Light LED fill light is mainly designed to reinforce the light at night or in a dark environment. Set it up on the web Device > Light > LED Fill Light interface. Mode : Auto : Turn on the LED... ## [Volume and Tone](https://knowledge.akuvox.com/docs/volume-and-tone-configuration.md) Updated on 2025-09-22 Volume Control You can control the device volume on the Device > Audio interface. Volume Level : Set the overall volume. Level 1 volume range is roughly 80-95, and 2 is 95-109. Tamper Alarm Volume :... ## [Network Setting](https://knowledge.akuvox.com/docs/network-setting.md) Updated on 2025-10-29 Network Status Check the network status on the web Status > Info > Network Information interface. Device Network Configuration To ensure normal functioning, make sure that the device has its IP... ## [Intercom Call Configuration](https://knowledge.akuvox.com/docs/10intercom-call-configuration.md) Updated on 2025-06-23 IP Call Configuration An IP call is a direct call between two intercom devices using their IP addresses, without a server or a PBX. IP calls work when the devices are on the same network. Enable or... ## [Call Settings](https://knowledge.akuvox.com/docs/calling-feature.md) Updated on 2025-12-31 Do Not Disturb The Do Not Disturb( DND ) feature prevents unwanted incoming SIP calls, ensuring uninterrupted focus. It also allows you to set a code to be sent to the SIP server when rejecting a... ## [Audio & Video Codec Configuration](https://knowledge.akuvox.com/docs/11audio-video-codec-configuration-for-sip-calls.md) Updated on 2025-06-23 Audio Codec The door phone supports three types of codecs (PCMU, PCMA, and G722) for encoding and decoding the audio data during the call session. Each codec varies in terms of sound quality. PCMU and... ## [Access Allowlist Configuration](https://knowledge.akuvox.com/docs/access-white-list-configuration.md) Updated on 2025-06-23 The local contact information is used to initiate SIP or IP calls to users. Moreover, the contact list functions as a whitelist, allowing only listed numbers to open doors via DTMF during calls. The... ## [Relay Setting](https://knowledge.akuvox.com/docs/relay-setting.md) Updated on 2025-06-23 Local Relay A local relay is the relay output built into the intercom device. It can directly control connected devices, such as door locks, by triggering actions based on user input or authorization.... ## [Access Control Schedule Management](https://knowledge.akuvox.com/docs/door-access-schedule-management.md) Updated on 2025-12-29 A door access schedule lets you decide who can open the door and when. It applies to both individuals and groups, ensuring that users within the schedule can only open the door using the authorized... ## [Door-opening Configuration](https://knowledge.akuvox.com/docs/door-unlock-configuration.md) Updated on 2026-08-14 | Published on 2026-03-13 User-specific Access Methods The private PIN code, RF card, and license plate settings should be assigned to a particular user for door opening. When adding a user, you can also customize settings... ## [Monitor and Image](https://knowledge.akuvox.com/docs/monitor-and-image.md) Updated on 2025-06-23 MJPEG and RTSP are the primary monitoring stream types discussed in this chapter. MJPEG, or Motion JPEG, is a video compression format that uses JPEG images for each video frame. Akuvox devices... ## [Security](https://knowledge.akuvox.com/docs/security-1.md) Updated on 2025-08-14 Tamper Alarm The tamper alarm function prevents anyone from removing the device without permission. Akuvox devices support two types of tamper proof: gravity detection and button status detection.... ## [Logs](https://knowledge.akuvox.com/docs/logs-1.md) Published on 2026-03-13 Call Logs To check calls—including dial-out, received, and missed calls—within a specific period, you can view the call log on the device's web interface. If needed, you can also export the call log... ## [Integration with Third-party Devices](https://knowledge.akuvox.com/docs/integration-with-third-party-device.md) Published on 2026-03-13 Integration via Wiegand The device can be integrated with third-party devices via Wiegand. Set it up on the Device > Wiegand interface. Wiegand Display Mode : Select the Wiegand card code format from... ## [Lift Control](https://knowledge.akuvox.com/docs/lift-control-18.md) Updated on 2025-02-28 The device can be connected to the Akuvox lift controller for the lift control. Users can summon the lift to go down to the ground floor when they are granted access through various types of access... ## [Firmware Upgrade](https://knowledge.akuvox.com/docs/firmware-upgrade-1.md) Updated on 2025-06-23 Akuvox devices can be upgraded on the device web interface. Upgrade the device on the System > Upgrade interface. Note The upgrade file should be in .rom format. Click here to download the latest... ## [Auto-provisioning via Configuration File](https://knowledge.akuvox.com/docs/auto-provisioning-via-configuration-file.md) Updated on 2025-02-28 Provisioning Principle Auto-provisioning is a feature used to configure or upgrade devices in batch via third-party servers. DHCP, PNP, TFTP, FTP, and HTTPS are the protocols used by the Akuvox... ## [Debug](https://knowledge.akuvox.com/docs/debug.md) Updated on 2025-06-23 System Log System logs can be used for debugging purposes. Set the system log on the System > Maintenance > System Log interface. Log Level: Select log levels from 0 to 7 levels. You will be... ## [Backup](https://knowledge.akuvox.com/docs/backup.md) Published on 2026-06-17 You can import or export encrypted configuration files to your Local PC. Export the file on the System > Maintenance > Others interface. The import file should be in .tgz/.conf/.cfg format. Config... ## [Password Modification](https://knowledge.akuvox.com/docs/password-modification-1.md) Updated on 2025-02-28 You can modify the device web password for both the administrator account and the user account. To set it up, go to System > Security > Web Password Modify interface. Click Change Password . To enable... ## [System Reboot&Reset](https://knowledge.akuvox.com/docs/system-rebootreset.md) Updated on 2025-02-28 Reboot If you want to restart the device system, you can operate it on the device web. Moreover, you can set up a schedule for the device to be restarted. Navigate to the System > Upgrade interface....