Grandstream Networks GXP-280 manual Restore Factory Default Setting, Instructions for Restoration

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Restore Factory Default Setting

WARNING: Restoring the Factory Default Setting will delete all configuration information of the phone. Please backup or print all the settings before you restoring factory default settings. Grandstream is not responsible for restoring lost parameters and cannot connect your device to your VoIP service provider.

INSTRUCTIONS FOR RESTORATION:

Step 1: Press “OK” button to bring up the keypad configuration menu, select “Config”, press “OK” to enter submenu, select “Factory Reset” (Please refer to Table 5-1 of keypad flow chart)

Step 2: Enter the MAC address printed on the bottom of the sticker. Please use the following mapping:

0-9: 0-9

A:22 (press the “2” key twice, “A” will show on the LCD)

B:222

C:2222

D:33 (press the “3” key twice, “D” will show on the LCD)

E:333

F:3333

Example: if the MAC address is 000b8200e395, it should be key in as “0002228200333395”.

NOTE: If there are digits like “22” in the MAC, you need to type “2” then press “->” right arrow key to move the cursor or wait for 4 seconds to continue to key in another “2”.

Step 3: Press the “OK” button to move the cursor to “OK”. Press “OK” button again to confirm. If the MAC address is correct, the phone will reboot. Otherwise, it will exit to previous keypad menu interface.

Grandstream Networks, Inc.

GXP User Manual

Page 38 of 38

 

Firmware 1.1.6.44

Last Updated: 12/2008

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Contents Page Table of Figures GUI Interface Examples Welcome Installation GXP-Extension Connection plate Connecting the GXP-2000GXP-2000 w/GXP-Extension GXP-2000 Internal Headset Wiring Schema Product Overview GXP Product ModelsGXP Key Features in a Glance GXP Hardware SpecificationsGXP Technical Specifications Upgrades Audio FeaturesFeatures Server FeaturesLCD Icons Using the GXP SIP Enterprise PhoneLCD Buttons AM PM Line Buttons Completing Calls Handset, Speakerphone and Headset ModeMultiple SIP Accounts and Lines Speed Dial Making Calls using IP Addresses For exampleCall Waiting/ Call Hold Receiving CallsDo Not Disturb Mute/DeleteBusy Lamp Field Voice Messages Message Waiting IndicatorWay Conferencing Initiate a Conference CallGXP Call Features Key Call FeaturesConfiguration Guide Key Pad Configuration MenuFactory Reset Configure Factory Functions Reboot ExitUpgrade Layer 2 QoS Configure Vlan TagsSIP Access the Web Configuration Menu DefinitionsEnd User Password IP Address Multi Purpose Key Time Zone Device Configuration StatusDevice Configuration Basic Settings Mute Speaker Ringer in Headset Mode Advanced Settings Per TX Timeout Use # asVoice Frames Layer 3 QoSVia Http AuthenticateStun Server ServerDial Dtmf Payload DownloadApplication Offhook Auto Type OnhookWaiting Tone Disable Direct Disable CallWaiting Disable Call Call ModeSIP Account Settings Enable Call Features Retry Wait Time SIP T1 TimeoutDelayed Call Forward Local SIP PortCallee Request Timer Ring TimeoutCaller Request Timer Force TimerSpecial Feature Disable Multiple MediaSrtp Mode Allow Auto Answer byKey Pad Menu Software Upgrade & CustomizationWeb Configuration Interface No Local Tftp ServerManaging Firmware and Configuration File Download Instructions for local Tftp UpgradeRestore Factory Default Setting Instructions for Restoration

GXP-280 specifications

The Grandstream Networks GXP-280 is a well-regarded model in the realm of VoIP (Voice over Internet Protocol) telephony, designed particularly for small to medium-sized businesses. This feature-rich IP phone is recognized for its reliability, ease of use, and versatile functionalities, making it a preferred choice among business users seeking a robust and effective communication solution.

One of the standout features of the GXP-280 is its support for up to four SIP accounts, enabling users to manage multiple lines simultaneously. This is particularly beneficial for businesses that require efficient call handling across different departments or clients. The phone sports an intuitive LCD display that provides clear visibility of caller information, call status, and feature access, ensuring user-friendly operation.

The GXP-280 is powered by advanced technologies such as HD Voice, which provides crystal-clear audio quality during calls. This clarity is further enhanced by the phone’s wideband audio support, allowing for richer sound reproduction that is crucial for effective communication. The phone is equipped with dual Ethernet ports, one of which supports Power over Ethernet (PoE), simplifying the installation process by allowing power and data to be transmitted through a single cable.

In terms of flexibility and personalization, the GXP-280 comes with programmable soft keys, allowing users to customize their interface to suit their specific workflow preferences. Additionally, the phone includes built-in Bluetooth support, which extends its capabilities to integrate with wireless headsets, enabling hands-free operations.

Security is also a pivotal aspect of the GXP-280, as it features encrypted signaling and media, ensuring that business communications remain secure from potential threats. The device supports standard security protocols such as SRTP and TLS, making it compliant with contemporary security standards.

Moreover, the GXP-280 offers a variety of codec options, including G.722, G.711, and G.729, allowing it to adapt to various network conditions and requirements. Its compatibility with a wide range of SIP platforms adds to its appeal, making deployment in existing infrastructures seamless.

To summarize, the Grandstream Networks GXP-280 is a versatile, reliable, and feature-rich IP phone that stands out for its clarity, flexibility, and security, making it an excellent choice for businesses looking to enhance their communication systems. With its impressive array of functionalities and support for modern technologies, the GXP-280 is a representation of Grandstream's commitment to providing high-quality communication solutions.
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