View the manual for the Grandstream GXP280 here, for free. This manual comes under the category phones and has been rated by 2 people with an average of a 7.6. This manual is available in the following languages: English. Do you have a question about the Grandstream GXP280 or do you need help? Ask your question here

The Grandstream GXP280 phone features a LCD display with a resolution of 128 x 32 pixels, providing clear and concise visibility. It allows users to put calls on hold and also supports conference calls, making it suitable for business communication. Additionally, the speakerphone function allows for hands-free conversations. This phone supports multiple voice codecs, including G.722, G.723.1, G.726, and iLBC, ensuring high-quality audio during calls. It is equipped with an Ethernet LAN port, enabling seamless connectivity to the network. The GXP280 also supports various network protocols such as SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, PPPoE, TFTP, NTP, STUN, and SIMPLE. In terms of security, the device offers password protection using the MD5 algorithm, ensuring secure usage. With two Ethernet LAN (RJ-45) ports, this phone allows for efficient connectivity with other devices. With dimensions of 168 x 200 x 89.5 millimeters, the GXP280 is compact and can easily fit into different environments. In summary, the Grandstream GXP280 is a feature-rich phone designed for efficient communication in business settings. Its LCD display, conference call capability, and support for various voice codecs contribute to a reliable and high-quality calling experience. Additionally, its support for multiple network protocols, security features, and compact dimensions make it a suitable choice for professional communication needs.

| Brand | Grandstream |
| Model | GXP280 | GXP-280 |
| Product | phone |
| EAN | 0837654050651, 6947273700128 |
| Language | English |
| Filetype | User manual (PDF) |
| Display | LCD |
| Display resolution | 128 x 32 pixels |
| Touchscreen | No |
| Call hold | Yes |
| Conference call | Yes |
| Lines quantity | - lines |
| Caller ID | - |
| Phonebook capacity | - entries |
| Number of VoIP accounts | - |
| Speakerphone | Yes |
| Voice codecs | G.722, G.723.1, G.726, iLBC |
| Ethernet LAN | Yes |
| Supported network protocols | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, PPPoE, TFTP, NTP, STUN, SIMPLE |
| Quality of Service (QoS) support | Yes |
| Security algorithms | MD5 |
| Bluetooth | No |
| Wi-Fi | - |
| Password protection type | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| Input voltage | 100 - 240 V |
| Dimensions (WxDxH) | 168 x 200 x 89.5 mm |
| Input frequency | 50 - 60 Hz |
| Power over Ethernet (PoE) | Yes |
| Weight | 620 g |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90 % |
| Product color | Black |
| Handset type | Wired handset |
| Product type | IP Phone |
| Certification | FCC, CE, C-Tick |
| Number of handles included | 1 pc(s) |
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Grandstream GXP280 below.
The Grandstream GXP280 has a weight of 620 g.
The Grandstream GXP280 has the following certifications: FCC, CE, C-Tick.
The screen resolution of the Grandstream GXP280 is 128 x 32 pixels.
Yes, the Grandstream GXP280 has a LCD display. This allows users to easily view call information and navigate through the phone's settings.
The display resolution of the Grandstream GXP280 is 128 x 32 pixels. While not the highest resolution, it provides a clear and readable display for users.
Yes, the Grandstream GXP280 has call hold functionality. This feature allows users to put an ongoing call on hold and pick it up at a later time, providing flexibility and convenience.
Yes, the Grandstream GXP280 supports conference calls. Users can join multiple participants in a single call, making it ideal for team collaboration or group discussions.
Yes, the Grandstream GXP280 has a speakerphone feature. This enables users to have hands-free conversations or engage in conference calls without the need for a headset, enhancing convenience and productivity.
To troubleshoot issues with making quick IP calls on the Grandstream GXP280 phone, follow these steps: 1. Ensure that both phones are connected to the same LAN/VPN. Quick IP calls can only be made between phones on the same network. 2. Check the phone's web setup function to ensure that Quick IP call mode is enabled. Access the "Advanced Settings" page and set the "Use Quick IP-call mode" to "YES". 3. When making a quick IP call, use the last few digits (last octet) of the target phone's IP number. For example, if the target IP address is 192.168.1.60 and the port is 5062, input "192*168*1*60#5062" on the phone's keypad. - Note: The "*" key represents the dot "." and the "#" key represents the colon ":". 4. Press the OK key to initiate the call. 5. If you have a SIP server configured or are using STUN, ensure that the Direct IP-IP call is still allowed. Configure the "Use Random Port" setting to "NO" when completing Direct IP calls. By following these troubleshooting steps, you should be able to resolve any issues with making quick IP calls on the Grandstream GXP280 phone.
If you are unable to receive incoming calls on the Grandstream GXP280 phone, follow these steps to troubleshoot the issue: 1. Check the phone's ringtone settings: Ensure that the phone's ringtone is not set to silent or a low volume. Adjust the ringtone volume if necessary. 2. Verify the phone's network connection: Make sure that the phone is properly connected to the network. Check the Ethernet cable and ensure that it is securely plugged into the phone and the network router or switch. 3. Check the phone's call forwarding settings: Verify that call forwarding is not enabled on the phone. Access the phone's settings menu and navigate to the call forwarding options. Disable call forwarding if it is enabled. 4. Verify the phone's Do Not Disturb (DND) settings: Check if the DND feature is enabled on the phone. If DND is enabled, incoming calls will be automatically sent to voicemail. Disable DND if necessary. 5. Restart the phone: Try restarting the phone by unplugging the power adapter, waiting for a few seconds, and then plugging it back in. This can help resolve any temporary software or network issues. By following these troubleshooting steps, you should be able to resolve the issue of not receiving incoming calls on the Grandstream GXP280 phone.
To troubleshoot problems with configuring multiple accounts on the Grandstream GXP280 phone, follow these steps: 1. Access the phone's web setup interface by entering its IP address in a web browser. 2. Navigate to the "Accounts" or "SIP Settings" section in the web interface. 3. Verify that the desired accounts are configured correctly with the appropriate account names and settings. 4. Ensure that the accounts are active and registered. Check the registration status for each account. 5. If the accounts are not registering, check the network connection and ensure that the SIP server settings are correct. 6. If using Shared Call Appearance (SCA), make sure it is enabled for the desired line keys. 7. Verify that the line keys are correctly mapped to the corresponding accounts. 8. If using additional features like Speed Dial, BLF, or Presence Watcher, ensure that they are configured correctly and supported by the PBX system. 9. Save the settings and reboot the phone to apply the changes. 10. Test the configuration by making and receiving calls using the different accounts. By following these troubleshooting steps, you should be able to resolve any issues with configuring multiple accounts on the Grandstream GXP280 phone.
If you are unable to complete a call on the Grandstream GXP280 phone, follow these troubleshooting steps: 1. Check the call status: Ensure that the call is not on hold. Press the "Resume" button or the corresponding blinking line button to resume the call if it is on hold. 2. Verify the network connection: Make sure that the phone is properly connected to the network. Check the Ethernet cable and ensure that it is securely plugged into the phone and the network router or switch. 3. Check the call transfer settings: If you are trying to transfer the call, ensure that you are following the correct transfer procedure. Press the "Transfer" button, dial the number, and press the "Send" button to complete the transfer. 4. Check the call volume: Ensure that the call volume is not set to a low level or muted. Adjust the call volume using the volume buttons on the phone. 5. Restart the phone: Try restarting the phone by unplugging the power adapter, waiting for a few seconds, and then plugging it back in. This can help resolve any temporary software or network issues. By following these troubleshooting steps, you should be able to resolve any issues with completing calls on the Grandstream GXP280 phone.
To troubleshoot issues with accessing the call history on the Grandstream GXP280 phone, follow these steps: 1. Press the MENU button on the phone to access the Main Menu. 2. Select "Call History" from the menu options. 3. Choose the specific call history category you want to access, such as "Answered Calls," "Dialed Calls," "Missed Calls," "Transferred Calls," or "Forwarded Calls." 4. Use the arrow keys to navigate through the call history entries. 5. Press the OK button to select a specific phone number from the call history. 6. Press the OK button again to dial the selected phone number. 7. If you want to delete a call history entry, select the entry and press the MENU button. Choose the "Delete" option to remove the entry from the call history. 8. To exit the call history menu, press the EXIT or MENU button. By following these troubleshooting steps, you should be able to access and manage the call history on the Grandstream GXP280 phone.
Yes, the manual of the Grandstream GXP280 is available in English .
Is your question not listed? Ask your question here
No results
Need help?
Do you have a question about the Grandstream and is the answer not in the manual?
Question and answer
Number of questions: 0