Grandstream Networks GXP21XX Setting up the phone to make Quick IP calls, Receiving Calls

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5. Press OK key to initiate call

To make a quick IP call, please see next section.

For example: If the target IP address is 192.168.1.60 and the port is 5062 (e.g. 192.168.1.60:5062), input

the following: 192*168*1*60#5062 - The “ * ” key represent the dot“.” ; The “#” key represent colon “:”. Press OK to dial out.

Quick IP Call Mode

The GXP21xx also supports Quick IP call mode. This enables the phone to make direct IP-calls, using only the last few digits (last octet) of the target phone’s IP-number. This is possible only if both phones are in under the same LAN/VPN. This simulates a PBX function using the CMSA/CD without a SIP server. Controlled static IP usage is recommended.

Setting up the phone to make Quick IP calls

To enable Quick IP calls, the phone has to be setup first. This is done through the web-setup function. In the “Advanced Settings” page, set the "Use Quick IP-call mode to YES. When #xxx is dialed, where x is 0-9 and

xxx<=255, a direct IP call to aaa.bbb.ccc.XXX is completed. “aaa.bbb.ccc” is from the local IP address regardless of subnet mask. The numbers #xx or #x are also valid. The leading 0 is not required (but OK).

For example:

192.168.0.2 calling 192.168.0.3 -- dial #3 follow by SEND or # 192.168.0.2 calling 192.168.0.23 -- dial #23 follow by SEND or # 192.168.0.2 calling 192.168.0.123 -- dial #123 follow by SEND or # 192.168.0.2: dial #3 and #03 and #003 results in the same call -- call 192.168.0.3

NOTE: If you have a SIP Server configured, a Direct IP-IP still works. If you are using STUN, the Direct IP- IP call will also use STUN. Configure the “Use Random Port” to “NO” when completing Direct IP calls.

ANSWERING PHONE CALLS

Receiving Calls

1.Incoming single call: Phone rings with selected ring-tone. The corresponding account LINE flashes red. Answer call by taking Handset/SPEAKER/Headset off hook or pressing SPEAKER or by pressing the corresponding account LINE button.

2.Incoming multiple calls: When another call comes in while having an active call, the phone will produce a Call Waiting tone (stutter tone). Next available lines will flash red (as described in section 4.3.2). Answer the incoming call by pressing its corresponding LINE button. The current active call will be put on hold.

3.Paging/Intercom Enabled: Phone beeps once and automatically establishes the call via SPEAKER. (PBX or Server must also supports this feature)

Do Not Disturb

Press the “DND” button to enable/disable “Do Not Disturb” (the corresponding icon will be on the right hand side of the screen). When DND is enabled, the phone will not ring and send caller directly to voicemail.

Grandstream Networks, Inc.

GXP21xx User Manual

Page 16 of 41

 

Firmware version: 1.0.1.66

Last Updated: 05/2011

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Contents Grandstream Networks, Inc Table of Figures SIP Account Settings Grandstream Networks, Inc Welcome Connecting Your Phone InstallationEquipment Packaging EXTConnecting the GXP2120/2110 and the GXP Extension Warranty Safety CompliancesGXP21xx Comparison Guide Product OverviewGXP21xx Product Models LED GXP21xx Key Features in a GlanceGXP21xx Hardware Specifications Compliance GXP21xx Technical SpecificationsHumidity Firmware Upgrades Telephony FeaturesFeatures NetworkLCD Buttons Using the GXP21xx SIP Enterprise PhoneGetting Familiar with the LCD GXP21xx Keypad Buttons LCD IconsMaking Phone Calls Handset, Speakerphone and Headset ModeMultiple SIP Accounts and Lines Completing Calls Speed Dial Making Calls using IP AddressesReceiving Calls Setting up the phone to make Quick IP callsDo Not Disturb For exampleMute Call Waiting/ Call HoldCall Transfer Way ConferencingShared Call Appearance SCA Voice Messages Message Waiting IndicatorBusy Lamp Field Customized LCD Screen & XML Call FeaturesGXP21xx Call Features Key Pad Configuration Menu Configuration GuideConfiguration VIA Keypad SIP SIP Definitions Access the Web Configuration MenuConfiguration VIA WEB Browser Device Configuration Settings/Basic Settings Device Configuration StatusMTZ+6MDT+5 Stock Update Weather UpdateCurrency Update Disable in-call DtmfDevice Configuration Settings /Advanced Settings ACS URL Port Phonebook XML At Boot-upDownload Phonebook XML ServerSyslog Level Password Distinctive Ring ToneSend SIP Log NTP serverDtmf SIP Account Settings Authenticate Password Authenticate IDDNS Mode Backup IPSubscribe for MWI NAT TraversalPublish for Presence Proxy-RequireEnable Call Features Delayed Call ForwardDial Plan Wait TimeCallee Request Timer Caller Request TimerForce Timer Enable 100relNo Key Entry Timeout Srtp ModeRefer-To Use Target ContactRebooting the Phone Remotely Saving the Configuration ChangesWeb Configuration Interface Software Upgrade & CustomizationFirmware Upgrade Through TFTP/HTTP Key Pad MenuConfiguration File Download Managing Firmware and Configuration File DownloadInstructions for Local Tftp Upgrade Instructions for Restoration Restore Factory Default Setting
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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.