1. Mawu Oyamba
This manual provides detailed instructions for the installation, configuration, and operation of your Grandstream GXP2140 Gigabit IP Phone. The GXP2140 is designed for enterprise and SMB customers, offering a versatile and high-quality communication solution. It features 4 lines, Gigabit ports, a 4.3-inch color LCD screen, and integrated Bluetooth support.
2. Zamkatimu Phukusi
Please check the package carefully for all items. If any items are missing or damaged, contact your vendor immediately.
- GXP2140 IP Phone Unit
- Handset with Cord
- Chingwe cha Ethernet (RJ45)
- Adapter yamagetsi
- Maimidwe a Mafoni
- Quick Installation Guide (this document serves as the full manual)
- GPL License
3. Physical Overview
Familiarize yourself with the various components of the GXP2140 IP Phone.
3.1. Patsogolo View

Chithunzi 1: Patsogolo view of the Grandstream GXP2140 IP Phone, showing the handset, main unit with color LCD screen, programmable soft keys, navigation cluster, and numeric keypad.
- Zojambula pamanja: Standard telephone handset for private conversations.
- LCD Screen: 4.3-inch (480x272) color LCD display for call information, menus, and status.
- Makiyi a Line: Four dual-color (red/green) line keys with corresponding LED indicators.
- Mafungulo Ofewa: Five XML programmable context-sensitive soft keys located below the LCD.
- Makiyi Navigation: Up, Down, Left, Right, and OK buttons for menu navigation.
- Nambala Keypad: Standard 0-9, *, # keys for dialing.
- Makiyi Antchito: Dedicated keys for Message, Hold, Transfer, Conference, Speakerphone, Send/Redial, Mute, Volume.
3.2. Kumbuyo View

Chithunzi 2: Kumbuyo view of the Grandstream GXP2140 IP Phone, illustrating the various ports for power, network, PC, handset, and headset connections.
- PC Port: 10/100/1000 Mbps Ethernet port for connecting a computer.
- LAN Port: 10/100/1000 Mbps Ethernet port for network connection.
- Chipinda cham'manja: RJ9 port for connecting the telephone handset.
- Zomangira Zomverera: RJ9 port for connecting a wired headset.
- Doko la USB: Kulumikiza zida za USB.
- Mphamvu Port: For connecting the 12V DC power adapter.
- Extension Module Port: For connecting optional GXP2200EXT extension modules.
4. Kukhazikitsa
Follow these steps to set up your Grandstream GXP2140 IP Phone:
- Onjezani Chiyimiriro cha Foni: Align the stand with the slots on the back of the phone and snap it into place.
- Lumikizani foni yam'manja: Plug the coiled handset cord into the handset port on the main unit and the other end into the handset.
- Lumikizani ku Network:
- Connect one end of the Ethernet cable to the LAN port of the phone.
- Connect the other end of the Ethernet cable to a network switch/hub or a router.
- (Optional) Connect a computer to the PC port of the phone using another Ethernet cable.
- Lumikizani Mphamvu: Plug the power adapter into the power port of the phone and then into a power outlet. The phone will power on and begin the boot-up process.
- Kusintha Koyamba: Once the phone boots up, it will attempt to obtain an IP address via DHCP. Your system administrator will provide further instructions for account registration and advanced settings.
5. Basic Operation
5.1. Kuyimba Mafoni
- Off-hook Dialing: Pick up the handset, press the Speakerphone button, or press a Line key. Dial the number and press the SEND/REDIAL button or wait for 4 seconds.
- On-hook Dialing: Dial the number and then pick up the handset, press the Speakerphone button, or press a Line key.
5.2. Kuyankha Mafoni
- Tengani foni yam'manja.
- Dinani batani la speakerphone.
- Dinani kiyi ya Line yowunikira.
5.3. Itanani Gwirani
Mukamayimba foni, dinani pa GWANITSA button. The line key will flash green. To resume the call, press the flashing line key again.
5.4. Kuitana Choka
- Kutumiza Wakhungu: Mukamayimba foni, dinani pa TUMIZANI button. Dial the transfer destination number and press the TUMIZANI batani kachiwiri.
- Ndinapita ku Transfer: During an active call, press a free Line key. The first call will be automatically put on hold. Dial the second number and press TUMIZANI. Once the second party answers, press the TUMIZANI button and then the flashing Line key of the first call to complete the transfer.
5.5. 5-Way Voice Conferencing
The GXP2140 supports 5-way voice conferencing.
- Establish a call with the first party.
- Dinani pa MSONKHANO button. The first party will be put on hold.
- Dial the second party's number and press TUMIZANI.
- Gulu lachiwiri likayankha, dinani pa MSONKHANO button again to establish the conference call.
- Repeat steps 2-4 to add up to three more parties.
5.6. Kusintha kwa Voliyumu
Dinani pa VOLUME button to adjust the volume for the handset, speakerphone, or headset during a call, or the ringer volume when the phone is idle.
6. Zapamwamba Mbali
6.1. XML Programmable Soft Keys
The five XML programmable soft keys below the LCD screen can be customized by your system administrator to provide quick access to various functions or applications.
6.2. Kulumikizana kwa Bluetooth
The GXP2140 features built-in Bluetooth for enhanced functionality:
- Bluetooth Headsets: Pair your Bluetooth headset for hands-free communication.
- Kuphatikiza kwa Chipangizo Cham'manja: Transfer phonebook contacts and calls from paired mobile devices to the GXP2140.
6.3. GXP2200EXT Extension Module Support
For users requiring additional speed-dial or Busy Lamp Field (BLF) keys, the GXP2140 supports up to four GXP2200EXT extension modules. Each module provides additional programmable keys, allowing for up to 160 speed-dial/BLF keys in total. This feature is ideal for monitoring the presence and status of other extensions and facilitating quick call transfers.
6.4. Electronic Hook Switch (EHS)
The phone supports Electronic Hook Switch functionality for Plantronics headsets, enabling remote call control (answer/end calls) directly from the headset.
6.5. Doko la USB
The built-in USB port can be used for various purposes, such as importing/exporting data or connecting compatible USB accessories.
6.6. Security and Provisioning
The GXP2140 incorporates state-of-the-art security encryption technologies, including SRTP and TLS, to protect your communications. It also supports various automated provisioning options for easy mass deployment:
- Zero-configuration with Grandstream's UCM series IP PBXs.
- Encrypted XML files.
- TR-069.
7. Kusamalira
Proper maintenance ensures the longevity and optimal performance of your GXP2140 IP Phone.
- Kuyeretsa: Use a soft, dry cloth to clean the phone's surface. Avoid using abrasive cleaners or solvents.
- Zosintha za Firmware: Regularly check for and apply firmware updates provided by Grandstream. These updates often include performance improvements, new features, and security patches. Consult your system administrator for guidance on firmware updates.
- Zachilengedwe: Operate the phone within recommended temperature and humidity ranges. Avoid exposing the phone to direct sunlight, excessive moisture, or extreme temperatures.
8. Mavuto
This section addresses common issues you might encounter with your GXP2140 IP Phone.
8.1. Palibe Mphamvu
- Ensure the power adapter is securely connected to both the phone and a working power outlet.
- Tsimikizirani kuti cholumikizira magetsi chikugwira ntchito polumikiza chipangizo china.
- Try a different power adapter if available and compatible.
8.2. Palibe Kamvekedwe ka Kuyimba
- Check the Ethernet cable connection to the LAN port and your network.
- Ensure the phone has successfully registered with your VoIP service or PBX. Check the status on the LCD screen.
- Restart the phone by unplugging and replugging the power adapter.
- Contact your system administrator to verify network connectivity and account registration.
8.3. Poor Call Quality (Echo, Static, Dropped Calls)
- Check your network connection for stability and bandwidth. A poor network can affect call quality.
- Ensure the Ethernet cable is not damaged.
- If using a headset, ensure it is properly connected and functioning.
- Consult your system administrator regarding network Quality of Service (QoS) settings.
8.4. Phone Not Registering
- Verify the SIP account settings (SIP server, User ID, Password) with your system administrator.
- Ensure the phone has a valid IP address.
- Check for any firewall or network access control issues that might be blocking SIP traffic.
9. Zofotokozera
Key technical specifications for the Grandstream GXP2140 IP Phone:
| Mbali | Kufotokozera |
|---|---|
| Mizere | 4 Line Keys, 4 SIP accounts |
| Onetsani | 4.3 inch (480x272) TFT Color LCD |
| Madoko a Ethernet | Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE |
| bulutufi | Yes, built-in for headsets and mobile devices |
| USB Port | Yes, 1x USB port |
| Voice Conferencing | 5-way voice conference |
| Thandizo la Headset | RJ9 headset jack, EHS support for Plantronics headsets |
| Zowonjezera Ma modules | Supports up to 4 GXP2200EXT modules |
| Chitetezo | SRTP, TLS, 802.1x |
| Makulidwe | Pafupifupi mainchesi 12 x 8 x 4 |
| Kulemera | Pafupifupi ma ola 0.16 |
| Zakuthupi | Pulasitiki |
10. Chitsimikizo ndi Thandizo
The Grandstream GXP2140 IP Phone comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Grandstream webtsamba lawebusayiti kuti mudziwe zambiri za chitsimikizo ndi malamulo ndi zikhalidwe.
For technical support, firmware updates, or additional resources, please visit the Grandstream support portal or contact your authorized Grandstream reseller or service provider. Ensure you have your product model and serial number available when seeking support.





