R20K - Intercom Akuvox - Free user manual and instructions
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| Product Type | IP Video Intercom |
| Brand | Akuvox |
| Model | R20K |
| Dimensions (HxWxD) | 130 x 90 x 25 mm |
| Weight | 200 g |
| Power Supply | PoE (802.3af) or 12V DC 1A |
| Display | 7-inch color TFT LCD, 1024x600 |
| Camera | 2 MP CMOS, wide-angle lens |
| Audio | Full-duplex speakerphone, echo cancellation |
| Network Interface | 10/100 Mbps Ethernet (RJ45) |
| Protocols | SIP 2.0, RTSP, HTTP, HTTPS |
| Keypad | Capacitive touch buttons for call, unlock |
| Door Lock Control | Dry contact relay, max 30V 2A |
| Microphone | Built-in, omnidirectional |
| Speaker | Built-in, 8Ω 1W |
| Operating Temperature | -10°C to 50°C |
| Mounting | Wall mount (flush or surface) |
| Ingress Protection | IP54 (front panel) |
| Maintenance/ Cleaning | Wipe with soft damp cloth; avoid solvents |
| Safety | Complies with CE, FCC, RoHS |
| Spare Parts / Repairability | Contact Akuvox support for accessories |
| General Information | User manual available in PDF (49 pages) |
Frequently Asked Questions - R20K Akuvox
How do I connect the R20K to my network?
Connect the device to your router/switch using an Ethernet cable. It supports PoE (Power over Ethernet) or a separate 12V DC power supply. Ensure your network has a DHCP server to assign an IP address automatically.
How can I reset the R20K to factory settings?
Press and hold the reset button (inside the pinhole on the back) for 10 seconds using a paperclip. The device will reboot and restore factory defaults, including network settings and user configurations.
What SIP server settings do I need to register?
You need the SIP domain, account (extension), and password from your PBX. Enter them in the web interface under 'SIP Settings'. Optionally configure STUN or outbound proxy if needed.
How do I adjust the volume on the R20K?
During a call, press the volume up/down buttons on the keypad. For ringer volume, access the web interface and navigate to 'Audio Settings' to adjust the ringer level.
Can I view the camera feed remotely?
Yes, if the intercom is online and properly configured, you can access the RTSP stream from a VLC player or a compatible NVR. The stream URL is typically
rtsp://[IP address]/live.How do I connect the door lock?
Connect the electric lock to the relay terminals (COM and NO/NC) on the back of the unit. The relay is dry contact rated for 30V AC/DC at 2A max. Configure the unlock duration in the web interface.
What is the default username and password?
The default username is
admin and password is admin. Change it immediately after setup to prevent unauthorized access.The display shows 'Network Error'. What should I do?
Check the Ethernet cable connection and ensure the network is active. Verify that DHCP is enabled or assign a static IP compatible with your subnet. You may need to reboot the device.
How do I update the firmware?
Download the latest firmware from Akuvox support website. Log in to the web interface, go to 'Maintenance' > 'Firmware Upgrade', select the file, and start the update. Do not power off during upgrade.
Can I use the R20K with a PBX that uses TLS?
Yes, the R20K supports SIP over TLS and SRTP for encrypted calls. Configure the transport type and upload the necessary certificates in the 'Security' section of the web interface.
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USER MANUAL R20K Akuvox
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Product information
Brand : Akuvox
Model : R20K
Category : Intercom