Why is the audio chopping at the far-end in hands-free speaker mode on my Zycoo IP Phone?
If the audio is choppy at the far end in hands-free speaker mode on your Zycoo IP Phone, it's likely due to loud volume feedback from the speaker to the microphone. Try lowering the speaker volume a bit; this should resolve the issue.
What to do if my Zycoo IP Phone cannot register to a service provider?
If your Zycoo IP Phone cannot register to a service provider, first ensure the phone is properly connected to the network using the [Network] port, not the [PC] port. If the IP address displays “Negotiating…” in the system information, verify that the network configurations are correct. If the connection is fine, but registration still fails, there might be an issue with line configurations. Contact your service provider for support.
How to fix no audio or poor audio in handset on Zycoo CooFone-H83 IP Phone?
If you experience no audio or poor audio in the handset of your Zycoo IP Phone, make sure the handset is connected to the correct Handset port and not the Headphone port. Also, network bandwidth and delay may be not suitable for audio call.
Why is the audio poor or volume low in the headphone of my Zycoo CooFone-H83?
If you are experiencing poor audio or low volume in the headphone of your Zycoo IP Phone, it might be due to wrong headphone wire sequence. Use the headphone provided by us, or consult the wire sequence if you wish to use a third party headphone. Also, network bandwidth and delay may be not suitable for audio call.
What to do if my Zycoo CooFone-H83 could not boot up?
If your Zycoo IP Phone could not boot up, it might be because the phone system image has been damaged. In this case, you should restore the system image. Also, make sure that phone is powered by a standard power adapter or PoE switch met with the specification requirements and check if phone is well connected to power source.
Guides users on how to access and log into the phone's web portal for management.
Explains network setup, including DHCP, Static IP, and PPPoE modes.
Details how to configure SIP accounts for line functionality and registration.
Covers the basic procedures for initiating and answering calls on the phone.
Describes various ways to dial numbers and manage call audio channels.
Explains how to answer, divert, or reject incoming calls.
Details the in-call screen interface and how to hold and resume calls.
Explains how to handle second calls, merge calls, and create conferences.
Details attended and blind call transfer methods.
Covers the detailed steps for managing individual contacts.
Provides instructions for rebooting the phone and performing a factory reset.
Details how to authenticate and log into the phone's web portal.
Introduces VPN technology and its modes (L2TP, OpenVPN) for secure connections.
Provides steps to establish an L2TP VPN connection on the phone.
Details the process for setting up an OpenVPN connection using configuration files.
Lists common issues with their respective solutions for user troubleshooting.
General| Number of Lines | 3 |
|---|---|
| Bluetooth | No |
| Wi-Fi | No |
| SIP Accounts | 3 |
| HD Audio | Yes |
| Wall Mountable | Yes |
| Audio Codec | G.722, G.711, G.729, G.726, iLBC |
| Power over Ethernet | Yes |
| Protocols | SIP, RTP |
| Power Supply | PoE |
| Languages | English, Chinese |
| Headset Port | Yes (3.5mm) |
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