802.1x Mode

 

This option allows the user to enable/disable 802.1x mode on the phone. The default

 

 

 

 

value is disabled. To enable 802.1x mode, this field should be set to EAP-MD5.

 

 

 

 

Once enabled, the user would be required to enter the following information below to

 

 

 

 

be authenticated on the network:

 

 

 

 

•

Identity

 

 

 

 

•

MD5 Password

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Keys x

 

This allows the user to configure the account mapped to each line key, as well as

 

 

 

 

enabling SCA (Shared Call Appearance) for the line.

 

 

 

 

Options available for Key Mode are :

 

 

 

 

1.

Line

 

 

 

 

2.

Shared Line

 

 

 

 

 

 

 

 

 

 

 

 

 

Multi Purpose Key X

 

These options are used to assign a function to the corresponding multi purpose key.

 

 

 

 

Options available are:

 

 

 

 

1.

Speed Dial.

 

 

 

 

2. BLF (Busy Lamp Field). This option has to be supported on the PBX and it

 

 

 

 

 

indicates the status of the extension. The three possible states are idle

 

 

 

 

 

(green), busy (red), ringing (blinking red).

 

 

 

 

3.

Presence Watcher. This option has to be supported by a presence server

 

 

 

 

 

and it is tied to the “Do not disturb” status of the phone.

 

 

 

 

4.

Eventlist BLF. This option is similar to the BLF option but in this case the PBX

 

 

 

 

 

collects the information from the phones and sends it out in one single notify

 

 

 

 

 

message. PBX has to support this feature.

 

 

 

 

Each function is connected to one of the accounts and has a target username and

 

 

 

 

user ID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Time Zone

 

This parameter controls the date/time display according to the specified time zone.

 

 

 

 

If “Allow DHCP Option 2 to override Time Zone setting” is checked, the time zone will

 

 

 

 

be overridden by the DHCP server.

 

 

 

 

 

 

 

 

 

 

 

 

 

Self-Defined Time

 

This parameter allows the users to define their own time zone.

 

 

Zone

 

The syntax is: std offset dst [offset], start [/time], end [/time]

 

 

 

 

Default is set to: MTZ+6MDT+5,M3.2.0,M11.1.0

 

 

 

 

MTZ+6MDT+5,

 

 

 

 

This indicates a time zone with 6 hours offset with 1 hour ahead which is U.S central

 

 

 

 

time. If it is positive (+) if the local time zone is west of the Prime Meridian (A.K.A:

 

 

 

 

International or Greenwich Meridian) and negative (-) if it is east.

 

 

 

 

M3.2.0,M11.1.0

 

 

 

 

The 1st number indicates Month: 1,2,3.., 12 (for Jan, Feb, .., Dec)

 

 

 

 

The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd

 

 

 

 

Tuesday…)

 

 

 

 

The 3rd number indicates weekday: 0,1,2,..,6( for Sun, Mon, Tues,..,Sat)

 

 

 

 

Therefore, this example is the DST which starts from the second Sunday of March to

 

 

 

 

the 1st Sunday of November.

 

 

 

 

 

 

 

Grandstream Networks, Inc.

GXP21xx User Manual

Page 25 of 41

 

Firmware version: 1.0.1.66

Last Updated: 05/2011

Page 25 Page 27
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Grandstream Networks GXP21XX user manual MTZ+6MDT+5
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GXP21XX specifications

Grandstream Networks GXP21XX series is a line of high-performance VoIP (Voice over Internet Protocol) desktop IP phones designed to deliver a versatile communication experience for both small and medium-sized businesses as well as large enterprises. The GXP21XX series encompasses a range of models, including the GXP2130, GXP2140, and GXP2160, each offering distinct features and capabilities to cater to various user needs.

One of the main features of the GXP21XX series is its support for high-definition (HD) voice technology. This ensures crystal-clear audio quality during calls, enhancing the overall communication experience. HD voice is complemented by advanced echo cancellation and noise reduction technologies, making it easy to communicate even in bustling environments.

The GXP21XX series boasts a user-friendly interface supported by a large LCD display, which is designed for easy navigation and menu access. These phones offer programmable keys, allowing users to customize their devices for quick access to frequently used features, including speed dials and call transfers.

In terms of connectivity, the GXP21XX series is equipped with dual Gigabit Ethernet ports, facilitating high-speed connections to both the local network and the internet. This allows for seamless integration into existing infrastructures without compromising call quality or network performance. Additionally, the phones support Power over Ethernet (PoE), enabling straightforward installation without the need for additional power sources.

The phones come pre-loaded with a multitude of voice codecs, including G.722, G.711, and G.729, offering flexibility to adapt to various network conditions. Users can enjoy secure communication through built-in security encryption features, such as TLS and SRTP, ensuring sensitive data remains safeguarded.

Moreover, the GXP21XX series incorporates advanced functionalities, such as support for up to six SIP accounts, call presence, and a full-duplex speakerphone, making them ideal for multi-tasking and collaborative environments. Interoperability with major VoIP platforms enhances compatibility, ensuring that users can easily integrate their devices into diverse communication systems.

In conclusion, the Grandstream GXP21XX series stands out as a robust and feature-rich solution for VoIP communication. With its focus on HD voice quality, user-friendly interface, and advanced connectivity options, it provides a comprehensive tool for enhancing both individual and team productivity. Whether used in an office environment or for remote work, the GXP21XX series delivers reliability and performance tailored to the needs of today’s business communication landscape.
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