grandstream voip protocol

Desk Phone, Grandstream, GXP Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXP1625 Small to Medium Business HD IP Phone with POE VoIP Phone and Device, Black
Desk Phone, Grandstream, GXP Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXP1625 Small to Medium Business HD IP Phone with POE VoIP Phone and Device, Black
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We Offer Good Discount Expert Technical Support
Key Features
5 Navigation menu keys
GXP1625 is PoE Enabled
High Definition Audio
Speakerphone & Handset
SKU: GXP1625
$45.00
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Desk Phone, Grandstream, GXP Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXP1628 Small to Medium Business HD IP Phone
Desk Phone, Grandstream, GXP Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXP1628 Small to Medium Business HD IP Phone
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Got A Question? Contact Us.
We Offer Good Discount Expert Technical Support
Key Features
8 dual-colours BLF/speed dial keys
Built-in PoE+
Electronic Hook Switch (EHS) support
Downloads Documents & Manuals
  Grandstream GXP1628 Datasheet (PDF)
  Grandstream GXP16xx Administration Guide (PDF)
  Grandstream GXP16xx User Guide (PDF)
SKU: GXP1628
$57.00
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GXP Series, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP1782 Business IP Phone
GXP Series, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP1782 Business IP Phone
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Grandstream GXP1782 Key Features
HD wideband audio, fullduplex speakerphone with superior acoustic echo cancellation
5-Channel audio conferencing for conference calls
RJ9 Headset jack
USB port for importing and exporting data
5 Navigation Keys
Grandstream GXP1782 IP Phone Data Sheet
Grandstream GXP1782 IP Phone Quick Setup Guide
SKU: GXP1782
$62.50
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GXP Series, Desk Phone, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP2140 Business IP Phone
GXP Series, Desk Phone, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP2140 Business IP Phone
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We Offer Good Discount Expert Technical Support
Grandstream GXP2140 Features
4 SIP lines and 4 Accounts with 5 Programmable softkeys
5-way navigation key
11 Dedicated function keys
Large (480 x 272) TFT LCD backlit display
Inbuilt Bluetooth
Transfer calls between mobile and deskphone
RJ9 Headset port
Support for Plantronics EHS switches
Dual Gigabit Ethernet ports with integrated PoE
HD audio through handset and speakerphone modes
SKU: GXP2140
$103.50
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IP Phone, SIP Phone, VoIP Phone
Grandstream GXP2160 Business IP Phone
IP Phone, SIP Phone, VoIP Phone
Grandstream GXP2160 Business IP Phone
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We Offer Good Discount Expert Technical Support
Grandstream GXP2160 Key Features:

It has soft keys
Six SIP accounts
5-Keys for navigation
5-channel audio Conferencing
11 Dedicated function keys
HD Audio through Handset and speakerphone modes
Dual Gigabit Ethernet ports with integrated PoE
RJ9 Headset jack | Support for EHS cables
SKU: GXP2160
$118.59
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GXP Series, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP2170 Business IP Phone
GXP Series, IP Phone, Grandstream, SIP Phone, VoIP Phone
Grandstream GXP2170 Business IP Phone
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Grandstream GXP2170 Key Features:

12 lines, 6 SIP accounts, 5 soft keys and 5-way voice conferencing
4.3 inch color-screen LCD
Dual Gigabit ports, integrated PoE
Inbuilt Bluetooth
12 lines, 6 SIP accounts, 5 soft keys and 5-chanennel voice conferencing
48 on-screen digitally customizable BLF/speed-dial keys
Two Gigabit ports, inbuilt PoE
SKU: GXP2170
$121.50
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Grandstream, GXV Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXV3350 SIP Video Phone, PoE Enable, HD Video Quality
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Grandstream, GXV Series, IP Phone, SIP Phone, VoIP Phone
Grandstream GXV3350 SIP Video Phone, PoE Enable, HD Video Quality
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Got A Question? Contact Us.
We Offer Good Discount Expert Technical Support
Key Features
Runs on Android 7.0
16 lines/16 SIP accounts
5″ touch screen HD TFT LCD
Downloads Documents & Manuals
Grandstream GXV3350 Datasheet (PDF)
SKU: GXV3350
$220.00 ~~$220.50~~
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GXV Series, IP Video Door Phone, IP Video Phone, SIP Phone
Grandstream GXV3380 IP Video Desktop Phone
GXV Series, IP Video Door Phone, IP Video Phone, SIP Phone
Grandstream GXV3380 IP Video Desktop Phone
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Grandstream GXV3380 IP Video Desktop Phone is such a wonderful quality high-end model for Android, with inbuilt Bluetooth and WIFI, wrapped up in all-in-one communication solution with ideal range of features that include multi-video platform collaboration, 8-inch 1280×800 capacitive touch screen and a 2-megapixel camera.
Grandstream GXV3380 Key Features
Android 7.X version
Integrated 2MP video phone camera with private shutter
Integrated dual-band WiFi (2.4 and 5GHz)
Inbuilt Wi-Fi and Bluetooth
IN and OUT HDMI ports
Inbuild PoE / PoE +
SKU: GXV3380.
$388.50
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Conference Phone IP, Conference Phone VoIP, Grandstream, GXV Series, IP Conference Phone, IP Phone, IP Video Conference, Trending Products, Video Conference IP Phone
Grandstream GXV3450 Android IP Video Phone: Unlock a New Level of Communication with the Android IP Video Phone and Enjoy High-Definition Video-Call
Conference Phone IP, Conference Phone VoIP, Grandstream, GXV Series, IP Conference Phone, IP Phone, IP Video Conference, Trending Products, Video Conference IP Phone
Grandstream GXV3450 Android IP Video Phone: Unlock a New Level of Communication with the Android IP Video Phone and Enjoy High-Definition Video-Call
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7-inch touch screen LCD display with 800×480 resolution
HD Audio with full-duplex speakerphone
Built-in Wi-Fi and Bluetooth connectivity
Integrated web browser and applications
Video conferencing with up to 4 participants
Supports up to 6 SIP accounts
Android operating system (Lollipop 5.1)
Video recording and playback
Supports up to 10 lines with call waiting and call transfer
Supports up to 4-way audio conferencing
Built-in POE support
Supports a variety of VoIP protocols (SIP, H.323, IAX2)
Grandstream GXV3450 _Admin_Guide (PDF)
Grandstream GXV3450 _User_Guide (PDF)
Grandstream GXV3450 _QIG-1 Installation Guide (PDF)
Grandstream Datasheet_GXV3450 _English (PDF)
SKU: GXV3450
$270.10
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IP Phone, SIP Phone, VoIP Phone
Grandstream Introduces The Affordable GRP2613 VoIP Phone for Smart Businesses
IP Phone, SIP Phone, VoIP Phone
Grandstream Introduces The Affordable GRP2613 VoIP Phone for Smart Businesses
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Main Features:
2.8” color LCD display
8 programmable keys
Dual gigabit network ports, integrated PoE
Bluetooth and Wi-Fi, Opus audio support, and HD audio
SIP-based TLS/SRTP/HTTPS encryption
SKU: GRP2613
$83.69
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GXP Series, IP Phone, SIP Phone, Video Phones, VoIP Phone
Grandstream-GXP1615-Business HD IP Phone VoIP Phone and Device, Small/Medium
GXP Series, IP Phone, SIP Phone, Video Phones, VoIP Phone
Grandstream-GXP1615-Business HD IP Phone VoIP Phone and Device, Small/Medium
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Dual-switched 10/100 Mbps ports,
High definition audio on speakerphone and handset
EHS support for Plantronics headsets
GXP1615 HD IP Phone can store up to 500 contacts and up to 200 call history records
Wall Mountable and desktop phone
The GXP1615 uses an RJ9 headset jack
Downloads Documents & Manuals
  Grandstream GXP1610 / GXP1615 Datasheet (PDF)
  Grandstream GXP1610 / GXP1615 Quick Installation Guide (PDF)
  Grandstream GXP16xx Administration Guide (PDF)
  Grandstream GXP16xx User Guide (PDF)
  Grandstream GXP16xx Quick User Guide (PDF)
SKU: GXP1615
$42.00
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Grandstream, GRP Series, IP Phone, SIP Phone, VoIP Phone
GRP2636 Carrier-Grade IP Phone Series: Improve Your Business Communications and Get Enhanced Information | 12 lines, 6 SIP accounts | Supports 5-way Audio Conference Call
Grandstream, GRP Series, IP Phone, SIP Phone, VoIP Phone
GRP2636 Carrier-Grade IP Phone Series: Improve Your Business Communications and Get Enhanced Information | 12 lines, 6 SIP accounts | Supports 5-way Audio Conference Call
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Supports GDMS
12 lines, 6 SIP accounts
Equipped with noise shield technology
Full-duplex speakerphone with HD audio
10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
Supports 5-way audio conferencing for easy conference calls
Grandstream GRP2623_Admin_Guide (PDF)
Grandstream GRP2636_User_Guide (PDF)
Grandstream GRP2636_QIG-1 Installation Guide (PDF)
Grandstream Datasheet_GRP2636_English (PDF)
SKU: GRP2636
$151.00
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Grandstream, GXV Series, IP Phone
GXV3470 Grandstream Android IP Video Phone: Stay Connected and Informed with HD Video Chat | Stay in Touch with Family and Friends | Integrated dual-band Wi-Fi 6 (2.4GHz & 5GHz)
Grandstream, GXV Series, IP Phone
GXV3470 Grandstream Android IP Video Phone: Stay Connected and Informed with HD Video Chat | Stay in Touch with Family and Friends | Integrated dual-band Wi-Fi 6 (2.4GHz & 5GHz)
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Key Features
16 lines with up to 16 SIP accounts
Built-in 2 mega-pixel CMOS camera
Runs on Android 11 OS
Grandstream GXV3470_Admin_Guide (PDF)
Grandstream GXV3470_User_Guide (PDF)
Grandstream GXV3470_QIG-1 Installation Guide (PDF)
Grandstream Datasheet_GXV3470_English (PDF)
SKU: GXV3470
$325.20
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Conference Phone VoIP, Conference Speaker Phone, IP Conference Phone, IP Video Conference, Video Conference, Video Conference Camera, Video Conference IP Phone
GXV3480 Grandstream Android IP Video Phone: Offers High Quality Video Calling on Android Platform | Built-in PoE/PoE+ for power and network connections | Built-in 2 megapixel camera
Conference Phone VoIP, Conference Speaker Phone, IP Conference Phone, IP Video Conference, Video Conference, Video Conference Camera, Video Conference IP Phone
GXV3480 Grandstream Android IP Video Phone: Offers High Quality Video Calling on Android Platform | Built-in PoE/PoE+ for power and network connections | Built-in 2 megapixel camera
0 out of 5
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Key Features
16 lines with up to 16 SIP accounts
Built-in 2 megapixel camera for video calling
Runs on Android 11 operating system.
Grandstream GXV3480 Datasheet(PDF)
SKU: GXV3480
$415.59
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Best Deals Block, General, Grandstream, GRP Series, IP Phone, Latest, Popular, power strip with usb port, SIP Phone, VoIP Phone
Unlock Seamless Communications with the Powerful Grandstream GRP2624 Phone System
Best Deals Block, General, Grandstream, GRP Series, IP Phone, Latest, Popular, power strip with usb port, SIP Phone, VoIP Phone
Unlock Seamless Communications with the Powerful Grandstream GRP2624 Phone System
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Main Feature
Dual Gigabit Ethernet ports with integrated PoE
Integrated Bluetooth and Wi-Fi -Supports up to 5 SIP accounts
HD audio on both speakerphone and handset
2.8-inch color TFT LCD display
4-way navigation key and dual-color LEDs
Supports up to 5-way audio conferencing
Supports EHS (electronic hook switch) headset
SKU: GRP2624
$109.10
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Desk Phone, Grandstream, GRP Series, IP Phone, Popular, power strip with usb port, SIP Phone, Trending Products, VoIP Phone
Unlock the Capabilities of Grandstream GRP2615 Take VoIP to the Next Level
Desk Phone, Grandstream, GRP Series, IP Phone, Popular, power strip with usb port, SIP Phone, Trending Products, VoIP Phone
Unlock the Capabilities of Grandstream GRP2615 Take VoIP to the Next Level
0 out of 5
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Main Features
HD audio, handset and speakerphone with support for wide-band audio
10 line keys with up to 5 SIP accounts
40 BLF/speed dial keys per module
Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)
Dual switched auto-sensing 10/100/1000 Mbps
SKU: GRP2615
$147.50
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Showing 25–40 of 40 results

Grandstream GXP1625 Small to Medium Business HD IP Phone with POE VoIP Phone and Device, Black

Grandstream GXP1625 Small to Medium Business HD IP Phone with POE VoIP Phone and Device, Black

Grandstream GXP1628 Small to Medium Business HD IP Phone

Grandstream GXP1628 Small to Medium Business HD IP Phone

Key Features

Downloads Documents & Manuals

Grandstream GXP1782 Business IP Phone

Grandstream GXP1782 Business IP Phone

Grandstream GXP2140 Business IP Phone

Grandstream GXP2140 Business IP Phone

Grandstream GXP2160 Business IP Phone

Grandstream GXP2160 Business IP Phone

Grandstream GXP2170 Business IP Phone

Grandstream GXP2170 Business IP Phone

Grandstream GXV3350 SIP Video Phone, PoE Enable, HD Video Quality

Grandstream GXV3350 SIP Video Phone, PoE Enable, HD Video Quality

Downloads Documents & Manuals

Grandstream GXV3380 IP Video Desktop Phone

Grandstream GXV3380 IP Video Desktop Phone

Grandstream GXV3450 Android IP Video Phone: Unlock a New Level of Communication with the Android IP Video Phone and Enjoy High-Definition Video-Call

Grandstream GXV3450 Android IP Video Phone: Unlock a New Level of Communication with the Android IP Video Phone and Enjoy High-Definition Video-Call

Grandstream Introduces The Affordable GRP2613 VoIP Phone for Smart Businesses

Grandstream Introduces The Affordable GRP2613 VoIP Phone for Smart Businesses

Grandstream-GXP1615-Business HD IP Phone VoIP Phone and Device, Small/Medium

Grandstream-GXP1615-Business HD IP Phone VoIP Phone and Device, Small/Medium

Downloads Documents & Manuals

GRP2636 Carrier-Grade IP Phone Series: Improve Your Business Communications and Get Enhanced Information | 12 lines, 6 SIP accounts | Supports 5-way Audio Conference Call

GRP2636 Carrier-Grade IP Phone Series: Improve Your Business Communications and Get Enhanced Information | 12 lines, 6 SIP accounts | Supports 5-way Audio Conference Call

GXV3470 Grandstream Android IP Video Phone: Stay Connected and Informed with HD Video Chat | Stay in Touch with Family and Friends | Integrated dual-band Wi-Fi 6 (2.4GHz & 5GHz)

GXV3470 Grandstream Android IP Video Phone: Stay Connected and Informed with HD Video Chat | Stay in Touch with Family and Friends | Integrated dual-band Wi-Fi 6 (2.4GHz & 5GHz)

GXV3480 Grandstream Android IP Video Phone: Offers High Quality Video Calling on Android Platform | Built-in PoE/PoE+ for power and network connections | Built-in 2 megapixel camera

GXV3480 Grandstream Android IP Video Phone: Offers High Quality Video Calling on Android Platform | Built-in PoE/PoE+ for power and network connections | Built-in 2 megapixel camera

Unlock Seamless Communications with the Powerful Grandstream GRP2624 Phone System

Unlock Seamless Communications with the Powerful Grandstream GRP2624 Phone System

Unlock the Capabilities of Grandstream GRP2615 Take VoIP to the Next Level

Unlock the Capabilities of Grandstream GRP2615 Take VoIP to the Next Level