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Grandstream WP822 — портативный беспроводной Wi‑Fi IP‑телефон

Grandstream WP822 — это бизнес‑класс беспроводной Wi‑Fi IP‑телефон, предназначенный для мобильной VoIP‑связи в офисах, торговых точках, логистических центрах, медучреждениях, образовательных учреждениях и других корпоративных средах. Устройство сочетает мобильность, расширенные функции телефонии и стабильное беспроводное подключение, что делает его удобным решением для сотрудников, которым нужна свобода перемещения внутри сетевых зон покрытия. :contentReference[oaicite:0]{index=0}

Основные характеристики

• Тип: портативный Wi‑Fi IP‑телефон (VoIP handset)
• Поддержка SIP: до 2 SIP‑аккаунтов и 2 линий
• Беспроводное подключение: встроенный двухдиапазонный Wi‑Fi 802.11a/b/g/n/ac с продвинутой антенной и поддержкой роуминга между точками доступа
• HD‑звук: HD voice с двумя микрофонами, Acoustic Echo Cancellation (AEC) и Noise Shield Technology
• Аккумулятор: встроенный аккумулятор 2000 mAh — до ~8 ч разговоров и ~200 ч в режиме ожидания
• Экран: цветной TFT LCD диагональю ~2.4″ (240×320)
• Интегрированный Bluetooth для подключения беспроводных гарнитур
• Конфигурируемая кнопка Push‑to‑Talk (P2T) для мгновенной связи или аварийных вызовов
• Подключение периферии: Micro‑USB порт для зарядки и 3.5 мм разъём для проводных гарнитур

Голосовые функции

• Поддержка популярных голосовых кодеков: G.711μ/a, G.729A/B, G.722 (широкополосный), iLBC, OPUS
• VAD, CNG, PLC, AGC для улучшения качества звука
• Телефонная книга, журнал вызовов, удержание и перевод вызова
• 3‑сторонняя аудио‑конференция и стандартные SIP‑функции

Сеть, безопасность и управление

• Поддержка стандартов SIP RFC3261 и сетевых протоколов RTP/RTCP, DHCP, DNS, HTTP/HTTPS
• Безопасность: SIP TLS/SRTP шифрование, 802.1x, WPA/WPA2/WPA3 для Wi‑Fi
• QoS‑поддержка для приоритетизации голосового трафика
• Централизованное управление и массовое развертывание через Grandstream Device Management System (GDMS)

Преимущества

• Свобода передвижения без проводов благодаря встроенному Wi‑Fi
• Продвинутая поддержка Wi‑Fi‑роуминга для непрерывных вызовов внутри больших помещений
• HD‑звук с шумоподавлением и двумя микрофонами
• Интеграция Bluetooth для гарнитур и периферийных устройств
• Конфигурируемая кнопка Push‑to‑Talk добавляет функциональность в рабочих сценариях

Область применения

Grandstream WP822 идеально подходит для предприятий и организаций, которым нужен мобильный беспроводной IP‑телефон в рамках корпоративной Wi‑Fi‑сети — будь то офисы, склады, торговые точки, больницы или учебные учреждения. Высокая автономность, поддержка роуминга и расширенные голосовые функции делают его удобным инструментом для повседневной рабочей связи.

Protocol/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV,
NAPTR), DHCP, SSH, TFTP, NTP, STUN, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP*, IPv6

voice and video codecs and features
Supports G.711µ/A, G.729A/B, G.722 (Broadband), iLBC, Opus, In-band
and out-of-band DTMF (In audio, RFC2833, SIP INFO) VAD, CNG, AEC, PLC, AJB, AGC, ANS, H.264(decryption only)

Wi-Fi
Yes, built-in dual-band Wi-Fi module class 802.11 a/b/g/n (2.4GHz and 5GHz)

Encryption
Wi-Fi WEP, WPA/WPA2, WPA Enterprise

Display
2.4 inch (240x320) color TFT LCD screen

Periphery
3 on-screen buttons, dial, hang up, speaker, phonebook,
backlit keyboard, proximity sensor, accelerometer, vibration motor, volume, navigation
keys

Bluetooth
Yes, Bluetooth 4.2

Additional ports
3.5mm jack, micro USB charging port, dual microphone, two-color
LED

Telephony functions
Hold, transfer, forwarding, 3-way voice conference,
downloadable phone books (XML, LDAP, up to 100 entries), call waiting
, call log (up to 1000 entries), automatic dialing when you pick up the handset,
answering machine, click-to-dial, flexible number plan, hot desking, personalized
ringtones and music on hold, backup server, push button to talk

Operating system
Android 7.0, support for custom Android apps that fit the phone's screen/
keyboard
* There may be operational limitations when using Android apps. The touch screen
will become unavailable, viewing will be available from a small LCD screen of 300x240 pixels, and control will
be carried out only with the help of physical buttons.

Safety
Administrative and user-level passwords,
MD5 and MD5-based authentication, configuration files with 256-bit AES encryption, SRTP*, TLS, 802.1x
media access control

HD audio
Yes, both in the speaker and in the speaker with broadband audio
support, HAC support

QoS
802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS) QoS

Language support
English, Arabic, Chinese, Czech, Danish, German, French, Hebrew,
Italian, Japanese, Polish, Portuguese, Russian, Spanish, Turkish and
others

Update/Customization
Firmware update via TFTP/HTTP/HTTPS, mass configuration when using
TR-069 or encrypted XML configuration file, manual download, USB

Energy consumption and environmental friendliness
Universal power adapter is included in the package
Input: 100-240V AC; Output: +5V DC. current, 1A (5W)
1500mA Li-ion battery, 150h in standby mode and 7.5h in talk mode

Sizes
Tube size: 168.5 x 52.5 x 21.8mm
Charging stand size: 76 x 73 x 81mm
Tube Weight: 161g
Weight of the tube with packaging (except for the brief guide: 456g

Temperature and humidity
Operating temperature: 0°C to 45°C; Operating humidity: 10-90% (non-condensing)
Storage temperature: -20°C to 60°C; Storage humidity: 10%-90% (non
-condensing)

Package contents
Tube, universal power supply, charging stand,
Belt clip, 1 Li-ion battery, Quick guide
Durability Withstands a fall from a height of 1.2 meters

Accordance
CE: EN 301 893; EN 300 328; EN 55032; EN 55035; EN 61000-3-2;EN 61000-3-3; EN 62368-1;
EN 301 489-1/17; EN 50360; EN 62479; EN 50663; EN 50566.
FCC: FCC Part 15B; FCC Part 15C; FCC Part 15E; FCC Part 68 HAC.
RCM: AS/NZS 4268; AS/NZS 60950.1; AS/NZS CISPR 32; CISPR 35; AS/CA S004; AS/ACIF S040.
Japan: MIC-R; China: SRRC; EAC; RoHS 2.0(2011/65/EU&(EU)2015/863)；REACH.

Protocol/standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (record, SRV,
NAPTR), DHCP, SSH, TFTP, NTP, STUN, SIMPLE, 802.1x, TLS, SRTP, IPv6

Voice codecs and features
Support G.711µ/A, G.729A/B, G.722 (Broadband), iLBC, Opus, In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS

Wi-Fi
Yes, built-in dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz and 5 GHz). 802.11k/r/v
Supported (WPA2/WPA2-Enterprise).

Wi-Fi encryption
WEP, WPA/WPA2, WPA Enterprise, WPA3, WPA3-Enterprise

Graphic
color TFT LCD display with a diagonal of 2.4 inches (240x320 pixels)

Bluetooth
Yes, built-in

Peripheral devices
3 soft keys, dial, hang up, speakerphone, phonebook, backlit keyboard, proximity sensor, vibration motor, volume button, navigation keys and accelerometer
support for customizable gestures

Customizable button for "push and talk" mode

Auxiliary ports
3.5mm Headset Jack, Micro USB Charging Port, Dual Microphone, Two-color MWI indicator

Telephony
Hold, transfer, forwarding, three-way audio conference, call waiting, call log (up to 100 entries), downloadable phonebook (XML, up to 500 entries), automatic dialing when the handset is lifted, automatic response, flexible dialing plan, personalized music ringtones, server backup and emergency switching, "push and talk", LDAP

Safety
User and administrator level passwords, MD5 and MD5-sess authentication,
256-bit secure configuration file based on AES, SRTP, TLS, access control to the 802.1x transmission medium.

HD Audio
Yes, both on the handset and on the speakerphone with broadband audio support, HAC
is supported

802.11e Quality of Service (WMM) and Level 3 quality of service (ToS, DiffServ, MPLS)

Multilingual English, Chinese, German, French, Italian, Portuguese, Russian, Spanish and other languages.

Update/Initialization Firmware update via TFTP/HTTP/HTTPS/FTP/FTPS, mass initialization using an encrypted XML configuration file, manual download

Power and green energy efficiency
Universal Power adapter included
Input: 100-240 VAC; Output: +5V DC, 1 A (5 W)
Lithium-ion battery 2000 mA, standby time 200 hours and talk time 8 hours

Size
Tube dimensions: 164.0 x 52.0 x 25.8 mm.
Dimensions of the charger stand: 77.9 x 81.2 x 38.2 mm.
Tube weight: 185.90 g.
Tube package weight (not including QIG): 422.60 g.

Temperature and humidity.
Operating temperature: 0°C to 45°C; Operating humidity: 10-90% (non-condensing).
Storage temperature: -20°C to 60°C; Storage humidity: 10-90% (non-condensing).

Compliance with FCC, CE, RCM, IC, UKCA

Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV,
NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069,
802.1x, TLS, SRTP*, IPv6, CDP/SNMP/RTCP-XR

Network interfaces
Dual 10/100/1000Mbps network port with automatic identification and
built-in PoE

Graphic display
Color (480x272) TFT LCD 4.3”

Bluetooth
Yes, Bluetooth V2.1

Function keys
4 line keys with support for up to 4 SIP accounts, 5
context-sensitive programmable touch keys, 5 navigation/menu keys, 11
special function keys: MESSAGE (with LED
indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD
CALL, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME +, VOLUME -
Speech Codec

Support
G.729A/B, G.711µ/a-law, G.726, G.722 (Broadband), G723.1, iLBC,
Opus, in- and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC,
PLC, AJB, AGC

Additional connectors
Headset with RJ9 connector (which allows the use of EHS with headsets
Plantronics), USB, Module port, extensions

Telephony Functions
Hold, transfer, forwarding, conference up to 5 participants,
standby mode, call capture, call separation (SCA)/call transfer (BLA),
downloadable phonebook (XML, LDAP, up to 2000 positions), call waiting
, call log (up to 500 entries), screen setup, auto-dial when
answering machine, one-click dialing, flexible dialing plan, hot
table system, personal music ringtones and music for standby mode,
backup server

Standard Applications
Internet radio (expected), weather, stocks, currency, news (expected), Last.fm
(expected), XML

HD Audio
Yes, both on the handset and on the speaker

Extension Module
Yes, it can power up to 4 GXP2200EXT modules equipped with a 128x384 LCD screen
dots, 20 speed dial/BLF keys with two-color LED, 2
navigation keys, and power consumption of less than 1.2 watts per device.

Table mount
Yes, there are 2 corner positions

Wall Mount
Yes

Network Quality of Service
(QoS) QoS Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS)

Safety
User and administrator level passwords,
MD5 and MD5-sess authentication, AES protected configuration file
, media access control SRTP*, TLS, 802.1x

Support for foreign languages
Arabic, Chinese, English, Croatian, Czech, Dutch, German,
French, Hebrew, Hungarian, Italian, Japanese, Korean, Polish,
Portuguese, Russian, Slovenian, Spanish, Turkish
Update/Maintenance Program update via TFTP/HTTP/HTTPS, mass pre-configuration
of devices via TR-069 or encrypted XML configuration file, FTP/FTPS

Energy and Environmental efficiency
The kit includes a universal power adapter: Input: 100-240 V;
Output: +12V, 1.5A; Built-in current-over-Ethernet (802.3af) Maximum
power consumption is 18W (power adapter) or 25.5W (PoE)

Dimensions Dimensions:
222 mm (W) x 210 mm (L) x 93 mm (H);
Device weight: 0.98 kg; Package weight: 1.63 kg

Temperature and Humidity
0~40ºC (32~104ºF ), 10~90% (non-condensing)

Contents of the delivery set
Phone GXP2140, handset with cord, base, universal
power supply, power cord, Quick Start Manual

Compatibility
FCC Part15 (CFR 47) Class B, EN55022 Class B, EN61000-3-2, EN61000-3-3, EN55024,
EN60950-1, AS/NZS
CISPR22 Class B, AS/NZS CISPR 24; RoHS; UL 60950 (power supply)

Protocol/standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (record, SRV,
NAPTR), DHCP, SSH, TFTP, NTP, STUN, SIMPLE, 802.1x, TLS, SRTP, IPv6

Voice codecs and features
Support G.711µ/A, G.729A/B, G.722 (Broadband), iLBC, Opus, In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS

Wi-Fi
Yes, built-in dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz and 5 GHz). 802.11k/r/v
Supported (WPA2/WPA2-Enterprise).

Wi-Fi encryption
WEP, WPA/WPA2, WPA Enterprise, WPA3, WPA3-Enterprise

Graphic
color TFT LCD display with a diagonal of 2.4 inches (240x320 pixels)

Bluetooth
Yes, built-in

Peripheral devices
3 soft keys, dial, hang up, speakerphone, phonebook, backlit keyboard, proximity sensor, vibration motor, volume button, navigation keys and accelerometer
support for customizable gestures

Customizable button for "push and talk" mode

Auxiliary ports
3.5mm Headset Jack, Micro USB Charging Port, Dual Microphone, Two-color MWI indicator

Telephony
Hold, transfer, forwarding, three-way audio conference, call waiting, call log (up to 100 entries), downloadable phonebook (XML, up to 500 entries), automatic dialing when the handset is lifted, automatic response, flexible dialing plan, personalized music ringtones, server backup and emergency switching, "push and talk", LDAP

Safety
User and administrator level passwords, MD5 and MD5-sess authentication,
256-bit secure configuration file based on AES, SRTP, TLS, access control to the 802.1x transmission medium.

HD Audio
Yes, both on the handset and on the speakerphone with broadband audio support, HAC
is supported

802.11e Quality of Service (WMM) and Level 3 quality of service (ToS, DiffServ, MPLS)

Multilingual English, Chinese, German, French, Italian, Portuguese, Russian, Spanish and other languages.

Update/Initialization Firmware update via TFTP/HTTP/HTTPS/FTP/FTPS, mass initialization using an encrypted XML configuration file, manual download

Power and green energy efficiency
Universal Power adapter included
Input: 100-240 VAC; Output: +5V DC, 1 A (5 W)
Lithium-ion battery 2000 mA, standby time 200 hours and talk time 8 hours

Size
Tube dimensions: 164.0 x 52.0 x 25.8 mm.
Dimensions of the charger stand: 77.9 x 81.2 x 38.2 mm.
Tube weight: 185.90 g.
Tube package weight (not including QIG): 422.60 g.

Temperature and humidity.
Operating temperature: 0°C to 45°C; Operating humidity: 10-90% (non-condensing).
Storage temperature: -20°C to 60°C; Storage humidity: 10-90% (non-condensing).

Compliance with FCC, CE, RCM, IC, UKCA

Grandstream GBX20 — модуль расширения клавиатуры с цветным LCD

Grandstream GBX20 — это **модуль расширения клавиатуры (Extension Module)** с крупным цветным ЖК‑дисплеем и программируемыми кнопками, предназначенный для увеличения функциональности совместимых IP‑телефонов Grandstream. Он позволяет значительно расширить количество управляемых линий, контактов и функций прямо с дополнительного блока клавиш.

Основные характеристики

• Тип: модуль расширения клавиатуры с LCD‑дисплеем
• Экран: цветной TFT LCD **4.3″ (272×480)**
• Клавиши: **20 программируемых кнопок** с двумя цветами подсветки
• Страницы: 2 страницы для до **40 контактов/функций на модуль**
• Подключение в каскад: до **4 модулей последовательно**, всего **до 160 контактов/функций**

Поддерживаемые функции

• BLF (индикатор занятости линии)
• Call park / pick‑up (парковка и подхват вызова)
• Speed‑dial (быстрый набор)
• Presence (статус присутствия)
• Intercom (междугородняя связь)
• Перевод, переадресация и конференц‑вызовы

Совместимость с телефонами

• Grandstream **GRP2615**, **GRP2624**, **GRP2650** и **GRP2670** Carrier‑Grade IP‑телефоны
• Grandstream **GXV3350** и **GXV3450** IP‑видеотелефоны

Преимущества

• Удобное расширение функциональности IP‑телефонов — до 160 линий/контактов
• Чёткий цветной дисплей для визуального управления
• Поддержка широкого набора функций обработки вызовов
• Простое подключение и последовательное каскадирование модулей

Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV,
NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069,
802.1x, TLS, SRTP*, IPv6, CDP/SNMP/RTCP-XR

Network interfaces
Dual 10/100/1000Mbps network port with automatic identification and
built-in PoE

Graphic display
Color (480x272) TFT LCD 4.3”

Bluetooth
Yes, Bluetooth V2.1

Function keys
4 line keys with support for up to 4 SIP accounts, 5
context-sensitive programmable touch keys, 5 navigation/menu keys, 11
special function keys: MESSAGE (with LED
indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD
CALL, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME +, VOLUME -
Speech Codec

Support
G.729A/B, G.711µ/a-law, G.726, G.722 (Broadband), G723.1, iLBC,
Opus, in- and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC,
PLC, AJB, AGC

Additional connectors
Headset with RJ9 connector (which allows the use of EHS with headsets
Plantronics), USB, Module port, extensions

Telephony Functions
Hold, transfer, forwarding, conference up to 5 participants,
standby mode, call capture, call separation (SCA)/call transfer (BLA),
downloadable phonebook (XML, LDAP, up to 2000 positions), call waiting
, call log (up to 500 entries), screen setup, auto-dial when
answering machine, one-click dialing, flexible dialing plan, hot
table system, personal music ringtones and music for standby mode,
backup server

Standard Applications
Internet radio (expected), weather, stocks, currency, news (expected), Last.fm
(expected), XML

HD Audio
Yes, both on the handset and on the speaker

Extension Module
Yes, it can power up to 4 GXP2200EXT modules equipped with a 128x384 LCD screen
dots, 20 speed dial/BLF keys with two-color LED, 2
navigation keys, and power consumption of less than 1.2 watts per device.

Table mount
Yes, there are 2 corner positions

Wall Mount
Yes

Network Quality of Service
(QoS) QoS Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS)

Safety
User and administrator level passwords,
MD5 and MD5-sess authentication, AES protected configuration file
, media access control SRTP*, TLS, 802.1x

Support for foreign languages
Arabic, Chinese, English, Croatian, Czech, Dutch, German,
French, Hebrew, Hungarian, Italian, Japanese, Korean, Polish,
Portuguese, Russian, Slovenian, Spanish, Turkish
Update/Maintenance Program update via TFTP/HTTP/HTTPS, mass pre-configuration
of devices via TR-069 or encrypted XML configuration file, FTP/FTPS

Energy and Environmental efficiency
The kit includes a universal power adapter: Input: 100-240 V;
Output: +12V, 1.5A; Built-in current-over-Ethernet (802.3af) Maximum
power consumption is 18W (power adapter) or 25.5W (PoE)

Dimensions Dimensions:
222 mm (W) x 210 mm (L) x 93 mm (H);
Device weight: 0.98 kg; Package weight: 1.63 kg

Temperature and Humidity
0~40ºC (32~104ºF ), 10~90% (non-condensing)

Contents of the delivery set
Phone GXP2140, handset with cord, base, universal
power supply, power cord, Quick Start Manual

Compatibility
FCC Part15 (CFR 47) Class B, EN55022 Class B, EN61000-3-2, EN61000-3-3, EN55024,
EN60950-1, AS/NZS
CISPR22 Class B, AS/NZS CISPR 24; RoHS; UL 60950 (power supply)

Grandstream WP820 — портативный Wi‑Fi IP‑телефон

Grandstream WP820 — это корпоративный портативный беспроводной IP‑телефон, предназначенный для использования в офисах, торговых залах, логистике, медучреждениях и других рабочих средах, где требуется мобильная VoIP‑связь по Wi‑Fi. Устройство совмещает мобильность, функциональность и надёжность в одном устройстве с поддержкой стандартных VoIP‑функций и расширенного беспроводного подключения.

Основные характеристики

• Тип: портативный беспроводной Wi‑Fi IP‑телефон
• Поддержка SIP: до 2 SIP‑аккаунтов и 2 линий
• Беспроводное подключение: интегрированный двухдиапазонный Wi‑Fi (802.11a/b/g/n) с поддержкой роуминга
• Bluetooth: встроенный модуль для сопряжения с гарнитурами и мобильными устройствами
• Аудио: HD‑звук с двумя микрофонами, подавление эха (AEC) и технология Noise Shield
• Аккумулятор: перезаряжаемая батарея 1500 mAh — до ~7.5 ч в режиме разговора и ~150 ч в режиме ожидания
• Дисплей: цветной TFT LCD экран **2.4″ (240×320)** для индикации вызовов и меню
• Конфигурируемая кнопка для Push‑to‑Talk, тревоги и других функций
• Порты: Micro‑USB для зарядки и 3.5 мм разъём для гарнитуры
• Интегрированные датчики: акселерометр и вибромотор
• Поддержка кастомных Android‑приложений, адаптированных под экран и клавиатуру

Голосовые функции

• Удержание, перевод, переадресация, ожидание вызова
• 3‑сторонняя голосовая конференция
• Телефонная книга и журнал вызовов
• Поддержка стандартных VoIP‑протоколов и кодеков (например, G.711, G.722, iLBC, Opus)

Сеть, безопасность и управление

• Поддержка IPv4/IPv6, RTP/RTCP, DHCP, DNS и других сетевых протоколов
• Шифрование звонков и безопасности: TLS/SRTP, 802.1x
• QoS‑поддержка для приоритизации голосового трафика
• Централизованное управление через Grandstream Device Management System (GDMS)

Преимущества

• Беспроводная VoIP‑связь без привязки к проводной инфраструктуре
• Широкий диапазон функций телефонии и мобильность при эксплуатации
• HD‑звук и продвинутые технологии шумоподавления
• Поддержка Bluetooth и кастомных приложений расширяет функциональность
• Долгое время автономной работы между зарядками

Область применения

Grandstream WP820 идеально подходит для корпоративных рабочих пространств, логистических центров, торговых точек, медицинских учреждений, складов и других объектов, где требуется мобильная беспроводная VoIP‑телефония с хорошей связью и надёжностью.

Protocols/standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (record A, SRV,
NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x,
TLS, SRTP, IPV6

Network interfaces
Two switchable 10/100/1000 Mbit/s Gigabit Ethernet ports with auto
-negotiation and integrated PoE module

Graphic display
TFT Color LCD Display, 4.3" (480x272)

Wi-Fi
Yes, built-in dual-band Wi-Fi module 802.11 a/b/g/n/ac (2.4 and 5 GHz)

Bluetooth
Yes, the built-in module

Main buttons
12 line buttons with support for up to 16 SIP accounts, 24 universal
expansion keys with pockets for paper inserts, 5 programmable (XML)
contextual touch keys, 5 menu/navigation keys, 8 special keys:
MESSAGE (with LED indicator), TRANSLATION, HEADSET, HOLD,
SOUND OFF, SEND/REDIAL, SPEAKER, THUNDER.+, THUNDER.–

Additional connectors
RJ9 connector for Plantronics Headset EHS Adapter, USB connector for
Grandstream GUV Series headsets and other USB headsets

Voice codecs and features
Supports G7.29A/B, G.711 mic/a-law, G.726, G.722 (broadband), G723, iLBC,
OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)

Telephony functions
Retention, transfer, forwarding, five-participant conference,
call parking, call interception, single internal number (shared call
appearance, SCA), bridged line appearance (BLA),
downloadable phone book (XML, LDAP, up to 2000 elements), call waiting
, call log (up to 2000 recordings), XML screen setup, auto-dial when the handset
is picked up, answering machine, call from the website (click-to-dial), flexible configuration of subscriber
groups, support for shared workplace usage, personalization of ringtones
and ringtones on hold, switching to a backup server in case of failure

HD Audio
Yes (HD headset and speaker), with broadband audio support. Two microphones
There is no expansion module

Rack
Yes, with two tilt angles and wall mount (*Wall mount
is available separately)

Quality of service
Layer 2 (802.1Q, 802.1P), 802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS)

Safety
Passwords for users and administrators, authentication on the database
MD5 and MD5-session, configuration file with 256-bit AES encryption, SRTP, TLS,
802.1x-based media access control, secure download

Languages
English, German, Italian, French, Spanish, Portuguese,
Russian, Croatian, Chinese, Korean, Japanese and others

Update/Setup
Firmware update via FTP/TFTP/TFTPS/HTTP/HTTPS, mass configuration
using GDMS/TR-069 or XML configuration file with AES encryption

Nutrition and energy efficiency
The package includes a universal power adapter:
Input: 100-240 V; Output: +12V, 1 A;
Integrated Power-over-Ethernet Module (802.3af)
IEEE 802.3az Ethernet Energy Efficiency
Maximum power consumption: 3.2W (power adapter) or 4.3W (PoE)

Temperature and humidity
Operation: from 0 to 40 °C
Storage: -10 to 60 °C
Humidity: 10 to 90%, non-condensing

Physical characteristics
Dimensions: 220 × 210 × 82 mm
Device weight: 880 g; package weight: 1260 g

Compliance of GRP2636 with regulatory requirements
FCC: FCC, Part 15, Class B; FCC, Part 15, Subsection C, 15.247; FCC, Part 15,
Subsection E, 15.407; FCC, Part 68 (HAC).
CE: ETSI EN 301 893; ETSI EN 301 489-1/-17; ETSI EN 300 328; EN IEC 62311; EN 55032;
EN 55035; EN 62368-1.
IC: RSS-247, issue 2; RSS-Gen, issue 5; ICES-003, issue 7; CS-03, Part V.
RCM: AS/NZS CISPR32; AS/NZS 4268; AS/NZS 2772.2; AS/NZS 62368.1; AS/CA S004.
UKCA: ETSI EN 301 893; ETSI EN 301 489-1/-17; ETSI EN 300 328; BS EN IEC 62311;
BS EN 55032; BS EN 55035; BS EN 62368-1