Skip to Content
  • Delivery in 4–10 working days across Saudi Arabia
  • A tax invoice with every order
  • Technical support before and after you buy
Request a project solution
  1. All products
  2. IP Telephony & Communications
  3. IP Phones
  4. Grandstream GRP2636 12-Line IP Phone, 4.3" Color LCD, 24 Paper-Label MPKs, Wi-Fi 6, PoE
  5. IP Phones

Grandstream GRP2636 12-Line IP Phone, 4.3" Color LCD, 24 Paper-Label MPKs, Wi-Fi 6, PoE

Part number GRP2636
  • 12 lines, 16 SIP accounts
  • 24 multi-purpose (MPK) extension keys with paper slot
  • 4.3 inch (480x272) TFT color LCD
  • Supports 5-way audio conferencing for easy conference calls
  • RJ9 headset jack allowing EHS with Plantronics headsets, and integrated USB headset support
  • Full-duplex speakerphone with HD audio to maximize audio quality and clarity
  • Integrated dual-band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above
  • Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
IP Phone SIP PoE Gigabit Bluetooth Color Screen HD Voice Business Phone Grandstream Wi-Fi 6
Price
⃁ 613.13 ⃁ 613.13 ⃁ 798.35 Save 23%
⃁ 613.13 ⃁ 798.35
(Tax excluded)
Ask on WhatsApp Quote for installers and contractors
  • Delivery within 4–10 business days across Saudi Arabia
  • Warranty according to the manufacturer
  • Tax invoice with every order
  • Technical support before and after purchase

Not sure this model fits your setup? Read the buying guide

Official datasheetGrandstream_GRP2636_Datasheet.pdf Download

Overview of Grandstream GRP2636

Part of the GRP series of carrier-grade IP phones, the Grandstream GRP2636 is a professional 12-line model designed with zero-touch provisioning for mass deployment and easy management. It offers 16 SIP accounts, 24 MPK extension keys with paper slot, a 4.3 inch color LCD, 5-way voice conferencing, integrated PoE and Wi-Fi 6, and full HD audio on both speaker and handset. Carrier-grade security includes secure boot, dual firmware images and encrypted data storage, while Grandstream's GDMS provides centralized provisioning, management and monitoring. It is the perfect choice for receptionists and busy professionals managing high call volumes in hotels, clinics, offices and contact desks.

Technical Specifications – Grandstream GRP2636

Network

Protocols/StandardsSIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPV6
Network InterfacesDual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE

Display & Keys

Graphic Display4.3 inch (480x272) TFT color LCD

Network

Wi-FiIntegrated dual-band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above
BluetoothYes, integrated

Display & Keys

Lines12 lines
SIP Accounts16 SIP accounts
Feature Keys12 line keys with up to 16 SIP accounts, 24 MPK extension keys with paper slot, 5 XML programmable context sensitive softkeys, 5 navigation/menu keys, 8 dedicated function keys for: MESSAGE (with LED indicator), TRANSFER, HEADSET, HOLD, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
Custom FaceplatesYes
Extension ModuleNo

Audio

Auxiliary PortRJ9 headset jack allowing EHS with Plantronics headsets, USB to support Grandstream's GUV Series headsets and other USB headsets
Voice Codecs and CapabilitiesSupport for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G723, iLBC, OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
HD AudioYes, HD handset and speakerphone with support for wideband audio, dual microphone

Telephony Features

Audio Conferencing5-way audio conferencing
Telephony FeaturesHold, transfer, forward, 5-way conference, call park, call pickup, shared-call-appearance (SCA)/bridged-line-appearance (BLA), downloadable phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 2000 records), XML customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones and music on hold, server redundancy and fail-over

Network

QoSLayer 2 QoS (802.1Q, 802.1P), 802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS) QoS

Security & Management

SecurityUser and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control, secure boot
Multi-languageEnglish, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese and more
Upgrade/ProvisioningFirmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file
Device ManagementYes, GDMS

Power

Power AdapterUniversal power adapter included: Input 100-240V; Output +12V, 1A
PoEIntegrated Power-over-Ethernet (802.3af)
Energy EfficiencyIEEE 802.3az Energy-Efficient Ethernet
Max Power Consumption3.2W (power adapter) or 4.3W (PoE)

Environment

Operating Temperature0°C to 40°C
Storage Temperature-10°C to 60°C
Humidity10% to 90% Non-condensing

Physical

Base StandYes, 2 angle positions available, wall mountable (wall mount sold separately)
Package ContentGRP2636 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license
Dimensions220mm x 210mm x 82mm
Unit Weight880g
Package Weight1260g

Compliance

FCCFCC Part 15 Class B; FCC Part 15 Subpart C, 15.247; FCC Part 15 Subpart E, 15.407; FCC Part 68 HAC
CEETSI EN 301 893; ETSI EN 301 489-1/-17; ETSI EN 300 328; EN IEC 62311; EN 55032; EN 55035; EN 62368-1
ICRSS-247 Issue 2; RSS-Gen Issue 5; ICES-003 Issue 7; CS-03, Part V
RCMAS/NZS CISPR32; AS/NZS 4268; AS/NZS 2772.2; AS/NZS 62368.1; AS/CA S004
UKCAETSI 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

Source: Grandstream official website and datasheet. Specifications are subject to change by the manufacturer.

Equipping a project with several devices?We recommend the right models and prepare a formal quotation.
Request a quote

PRACTICAL ANSWERS

IP phone questions

How do I choose an IP phone for an employee?

Start with the person’s daily call workflow, required keys, headset use and desk connectivity. Check the exact model against the PBX and provisioning method rather than selecting only by screen size or appearance.

Does an IP phone need a separate power adapter?

Check the phone’s supported power options, what is included in the package and the capabilities of the connected switch. Confirm that the complete proposed arrangement can power every phone, not just a single test device.

Will my headset work with the new phone?

Compare the headset and phone model numbers, connector type and any required adapter or call-control support. Ask to test answering, ending and muting a call with the intended combination before equipping a team.

Can a phone be used by a remote employee?

Confirm the PBX’s supported remote deployment method and the employee’s network requirements. Plan secure provisioning and support responsibilities; do not expose administration interfaces or assume a phone can be moved without configuration.

How should I compare phone models for a reception desk?

List the extensions the receptionist handles, the required transfer workflow and any need for expansion keys or a headset. Evaluate the full workflow with the PBX, including the features actually licensed and supported.

What should I check before deploying many IP phones?

Test a small representative group first, then review network ports, power, provisioning, user labels and the rollback plan. Keep an inventory linking each physical device to its intended user or location.

Explore this topic