Allow Auto Answer by

 

If the Call-Info header contains answer-after=0, the call be answered

 

 

Call-Info

 

automatically (so called paging mode).

 

 

 

 

 

 

 

 

 

 

 

 

Turn off speaker on

 

When BYE is received, the phone will turn off its speaker automatically.

 

 

remote disconnect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check SIP User ID for

 

Check the SIP User ID in Request URI. If they don’t match, the call will be

 

 

incoming INVITE

 

rejected.

 

 

 

 

 

 

 

 

 

 

 

 

Refer-To Use Target

 

Default is NO. If set to YES, then for Attended Transfer, the “Refer-To” header uses the

 

 

Contact

 

transferred target’s Contact header information.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Disable Multiple Media

 

Default is No.

 

 

Attribute in SDP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Preferred Vocoder

 

GXP supports up to 7 different Vocoder types including G.711(a/µ) (also known

 

 

 

 

as PCMU/PCMA), GSM, G.723.1, G.729A/B, G.726-32, iLBC, G.722 (wide-band).

 

 

 

 

Configure Vocoders in a preference list that is included with the same preference

 

 

 

 

order in SDP message. Enter the first Vocoder in this list by choosing the

 

 

 

 

appropriate option in “Choice 1”. Similarly, enter the last Vocoder in this list by

 

 

 

 

choosing the appropriate option in “Choice 8”.

 

 

 

 

 

 

 

 

 

 

 

 

SRTP Mode

 

Enable SRTP mode based on selection. Default is No.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

eventlist BLF URI

 

If a server supports this feature, user needs to configure an "eventlist BLF" URI

 

 

 

 

on the service side (i.e.: BLF1006@myserver.com)

 

 

 

 

On the GXP, under Account page, fill in the ""eventlist BLF" field with the URI

 

 

 

 

without the domain. (i.e.: BLF1006). Under Basic Settings, please select "eventlist

 

 

 

 

BLF", choose account nubmer, monitored number, etc.

 

 

 

 

 

 

 

 

 

 

 

 

Special Feature

 

Default is Standard. Choose the selection to meet special requirements from Soft

 

 

 

 

Switch vendors.

 

 

 

 

 

 

 

 

 

 

 

SAVING THE CONFIGURATION CHANGES

After the user makes a change to the configuration, press the “Update” button in the Configuration Menu. The web browser will then display a message window to confirm saved changes.

Grandstream recommends reboot or power cycle the IP phone after saving changes.

REBOOTING THE PHONE REMOTELY

Press the “Reboot” button at the bottom of the configuration menu to reboot the phone remotely. The web browser will then display a message window to confirm that reboot is underway. Wait 30 seconds to log in again.

Grandstream Networks, Inc.

GXP User Manual

Page 35 of 38

 

Firmware 1.1.6.44

Last Updated: 12/2008

Page 35
Image 35
Grandstream Networks GXP-280 Allow Auto Answer by, Call-Info, Turn off speaker on, Remote disconnect Check SIP User ID for

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.