Way Conferencing, Busy Lamp Field | Grandstream Networks GXP-280

2.Attended (or Supervised) Transfer: Press “LINEx” button to make a call and automatically place the ACTIVE LINE on HOLD. Once the call is established, press “TRANSFER (or TRNF)” key to transfer the call and hang up.

NOTE: To transfer calls across SIP domains, SIP service providers must support transfer across SIP domains. Blind transfer will usually use the primary account SIP profile.

5-Way Conferencing

GXP can host conference calls and supports up to 5-way conference calling.

1.Initiate a Conference Call:

Establish a connection with two or more parties

Press CONF button

Choose the desired line to join the conference by pressing the corresponding LINE button.

Repeat step 2 and 3 for all parties that you want to join the conference. This can be done at any time, thus also if a n

2.Cancel Conference: Canceling establishing conference call.

If after pressing the “CONF” button, a user decides not to conference anyone, press CONF again or the original LINE button.

This will resume two-way conversation.

3.End Conference:

Press HOLD to end the conference call and put all parties on hold;

To speak with an individual party, select the corresponding blinking LINE.

NOTE: The party that starts the conference call has to remain in the conference for its entire duration, you can put the party on mute but it must remain in the conversation.

Voice Messages (Message Waiting Indicator)

A blinking red MWI (Message Waiting Indicator) indicates a message is waiting. Press the MSG button to retrieve the message. An IVR will prompt the user through the process of message retrieval. Press a specific LINE to retrieve messages for a specific line account.

NOTE:

•Each line has a separate voicemail account. Each account requires a voicemail portal number to be configured in the “voicemail user id” field.

•To check which line account has a message 1) press the message button (this always checks the primary account), 2) check each line for stutter tone or 3) check missed calls using the menu.

Busy Lamp Field

The Multi Purpose Key buttons can be configured for Busy Lamp Field function with a specified account. When BLF is configured on one of the multi-functional buttons, the Speed Dial function will work when that line is not in use. Call Pick Up is supported when user presses a flashing BLF key.

Grandstream Networks, Inc.	GXP User Manual	Page 19 of 38
	Firmware 1.1.6.44	Last Updated: 12/2008

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.