Grandstream GXP2135 Enterprise IP Phone with 8 Lines and Gigabit Ethernet
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Product Highlights
- High Call Capacity: Supports 8 lines and 4 SIP accounts for busy users managing medium to heavy call volumes.
- Rich Usability Features: Equipped with a 2.8-inch color LCD, 32 programmable BLF/speed-dial keys, and 4 soft keys.
- Advanced Security: Features state-of-the-art security encryption technology including SRTP and TLS.
- Easy Mass Deployment: Supports zero-configuration with UCM series, encrypted XML files, and TR-069 provisioning.
- HD Audio & Conferencing: Provides HD audio on handset and speakerphone with 4-way audio conferencing support.
- Built-in Bluetooth: Built-in Bluetooth for syncing headsets and mobile devices for contacts and call transferring.
- Flexible Connectivity: Dual switched, auto-sensing Gigabit ports with built-in PoE support.
- Customization Options: Offers customization from samples, designs, full customization, minor customization, and flexible customization.
Product Attributes
- Customization
- Available
- Type
- IP Phone
- Protocol
- PPPoE
- Model NO.
- GXP2135
- Support
- SMS
- Number of Channels
- 8
- Wire or Not
- Wire
- Color
- Black
- Bluetooth
- yes
- accounts
- 4 SIP accounts
- Supply Ability
- 200 Set/Sets per Month
- Network Ports
- Dual Gigabit Ethernet Ports
- PoE Support
- IEEE 802.3af
- Display
- 2.8 Inch TFT Color LCD
- Speakerphone
- Full Duplex
- Headset Port
- RJ9
- IP Protocol
- IPv4 and IPv6
- Transport Package
- Grandstream Orignial Package
- Specification
- 35 x 30 x 20cm
- Trademark
- Grandstream
- Origin
- China
- Package Size
- 35.00cm * 30.00cm * 20.00cm
- Package Gross Weight
- 3.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Grandstream GXP2135 Enterprise IP Phone with 8 Lines and Gigabit Ethernet
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Product Description

The Grandstream GXP2135 is a professional enterprise IP phone designed for reliable business VoIP communication. It supports 8 SIP lines and provides advanced calling capabilities for busy office environments. The phone features HD audio technology for clear and natural voice communication, while its color LCD display provides an intuitive user experience.
With Gigabit Ethernet connectivity and Power over Ethernet support, the GXP2135 offers flexible network deployment and simplified installation. It is suitable for corporate offices, reception desks, sales departments, customer service teams, call centers and other professional communication environments.
The GXP2135 is designed for SIP based VoIP systems and can be deployed with compatible IP PBX platforms. Its combination of multiple SIP lines, HD voice, Gigabit networking and business focused features makes it a practical choice for enterprise telephone systems.

Features
- 8 lines, 4 SIP accounts, 4 XML programmable context-sensitive soft keys
- Dual switched, auto-sensing Gigabit ports, built-in PoE
- 32 digitally programmable and customizable BLF/speed-dial keys
- Built-in Bluetooth for syncing headsets and mobile devices for contact books, calendars & call transferring
- HD audio on the handset and speakerphone; full duplex speakerphone
- Supports EHS compatible Plantronics headsets
- 4-way audio conferencing for easy conference calls
| Item | Specification |
|---|---|
| Brand | Grandstream |
| Model | GXP2135 |
| Product Type | Enterprise IP Phone |
| Application | Business Office, Call Center, Enterprise Communication |
| Lines | 8 Lines |
| SIP Accounts | Up to 4 SIP Accounts |
| BLF / Speed Dial | Up to 32 Programmable Keys |
| Display | 2.8 inch TFT Color LCD |
| Display Resolution | 320 x 240 Pixels |
| Soft Keys | 4 XML Programmable Context Sensitive Soft Keys |
| Ethernet Ports | 2 x 10/100/1000 Mbps Gigabit Ethernet |
| PoE | IEEE 802.3af Integrated PoE |
| Bluetooth | Built in Bluetooth |
| Audio | HD Audio |
| Speakerphone | Full Duplex Speakerphone |
| Conference | 4 Way Audio Conference |
| Headset Port | RJ9 |
| Headset Support | EHS Compatible Plantronics Headsets |
| Voice Codecs | G.711, G.722, G.726, G.729A/B, G.723.1, iLBC, Opus |
| Network Protocols | SIP, TCP/IP, UDP, RTP, RTCP, HTTP, HTTPS, DHCP, DNS, LDAP, IPv6 |
| Security | TLS, SRTP, 802.1X, AES Encrypted Configuration |
| Provisioning | TR-069, Encrypted XML, Auto Provisioning |
| Phonebook | Up to 2000 Contacts |
| Call Log | Up to 500 Records |
| QoS | Layer 2 and Layer 3 QoS |
| Base Stand | 2 Adjustable Angle Positions |
| Power Adapter | 100-240V AC Input, 12V DC Output |
| Max Power Consumption | 3W |
| Color | Black |
| Use | Small and Medium Businesses, Enterprise Offices |
| Manufacturer | Grandstream Networks |

Established in 2017 and headquartered in Shenzhen, YIBOTE INFORMATION TECHNOLOGY CO.,LTD is a dedicated provider in the IT services market, specializing in the R&D, design, sales, and distribution of core network communications equipment and general accessories.
As distributors and resellers for leading global brands, we offer a comprehensive portfolio including:
Networking Routers & Switches
Firewalls & Security Appliances
Servers & Storage Solutions
IP Phones & Video Conferencing Systems
Wireless Access Points (APs)
Power Distribution Units (PDUs)
Modules & Associated Components
Our Commitment to Excellence:
Leveraging our experienced and skilled team in Shenzhen (with its excellent transportation links), we deliver high-quality products, effective solutions, and responsive service. We pride ourselves on:
Stable Supply & Reliable Delivery: Consistent product availability and dependable shipping.
Competitive Pricing: Cost-effective solutions without compromising quality.
Timely Support: Proactive assistance from order to post-sale.
Custom Solutions: Welcoming OEM and ODM project collaborations.
Global Reach:
Our products and solutions serve customers worldwide, with significant exports to the Middle East, Africa, the Americas, Europe, and Asia.
Partner With Us:
Whether sourcing from our extensive inventory or seeking engineering support for your project bid, our dedicated business team is ready to assist. Our service commitment begins the moment we receive your order, extending far beyond the invoice.
We warmly welcome customer visits and business negotiations. Let's collaborate for mutual success and growth.
Why Global Customers Choose Us
Complete IT Solutions
One-Stop Technology Partner
Providing a complete portfolio covering enterprise networking, AI computing, data center infrastructure, unified communications, and smart office solutions.
Reliable Supply Chain
Stable Source, Trusted Products
Strong supply chain capabilities ensure genuine products, competitive pricing, stable availability, and reliable project support.
Technical Expertise
Beyond Hardware Supply
Professional support including product selection, solution consulting, network planning, system integration, and technical assistance.
10+ Years Global Export Experience
Serving Customers Worldwide
More than a decade of international trade experience enables smooth communication, efficient order management, export support, and global delivery coordination.



Q1:Who we are?
We specialized in IT products and Solutions for more than 16 years in China.
Q2: What are your main products?
Our main supply network routers, network switches,network firewalls,Wireless access point,network firewall,Unified communications,Networking accessories,Servers,Storages,Optical Access network,Video Surveillance ,Consumer and office equipment.
Q3:Does your company sell used IT hardware ?
We carry both new and used hardware from various manufacturers . we agent of many famous brand ,Additionally,We get all of our used equipment from working environments. Most of our inventory comes from companies and organizations that are liquidating their assets either because of a bankruptcy, downsizing or perhaps they are upgrading.
Q4: How can I order from your company?
You can easily place orders.We accept your orders by phone, email, WhatsApp and WeChat .
Q5: How soon will my order be shipped?
1-3 working days for in-stock items and ex-stock items will be 4-6 weeks.
Q6: What shipping carriers does your company use, and how may I contact them?
Our company uses several different shippers depending on the size and weights of the items. Most products ship via FedEx ,DHL or UPS . Please visit the shippers' websites for additional contact information.
Q7: What type of warranty that your company provide?
Buy with confidence! We place our faith in our quality, so much that we offer a FREE one-year warranty on new hardware purchases.Warranties can also be extended for two or three years for an additional fee. And offer 90days warranty on used hardware purchase
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR252992". Items marked "" are certified.
Company Profile
SHENZHEN YIBOTE INFORMATION TECHNOLOGY Co., Ltd is a professional global IT infrastructure supplier and technology solutions provider specializing in enterprise networking, data center infrastructure, AI computing systems, unified communications, and smart office solutions.
With years of experience in the ICT industry, we serve a wide range of customers including government organizations, enterprises, educational institutions, healthcare providers, system integrators, engineering contractors, cloud service companies, and data center operators. Our mission is to help organizations build secure, efficient, scalable, and future-ready digital infrastructures through high-quality products, professional services, and complete technology solutions.
Enterprise Networking Solutions
Enterprise routers and core switches
Managed and unmanaged Ethernet switches
Industrial switches
Wireless access points (WiFi solutions)
WLAN controllers
Firewalls and network security devices
Optical transceivers and network accessories
Structured cabling solutions
Our networking solutions support various applications such as enterprise office networks, industrial networks, campus networks, government projects, smart buildings, and multi-site branch connectivity.
Servers, Storage & AI Computing Infrastructure
Enterprise servers
Storage systems and disk arrays
Backup solutions
Hyper-converged infrastructure (HCI)
AI training servers
AI inference servers
GPU computing platforms
Data center solutions
We support AI companies, cloud service providers, research institutions, IDC operators, and enterprises requiring high-performance computing, large-scale data processing, and reliable IT infrastructure.
Video Conferencing & Unified Communication Solutions
Video conferencing systems
Conference cameras
Speakerphones and microphones
Professional audio systems
Recording solutions
Remote collaboration platforms
Our solutions enable efficient communication for corporate meetings, hybrid workplaces, online training, government conferences, and global business collaboration.
Smart Office & Interactive Display Solutions
Interactive flat panels
Smart whiteboards
Digital signage displays
Educational interactive displays
Meeting room collaboration systems
These solutions are widely used in enterprises, schools, training centers, exhibition halls, government facilities, and modern smart offices.
Trusted Global IT Hardware Partner
YIBOTE works with many internationally recognized technology brands and provides customers with reliable sourcing channels, competitive pricing, and professional technical support.
Our advantages include:
One-Stop IT Procurement
From networking equipment and servers to AI computing, communication systems, and smart office products, customers can complete their IT procurement through one trusted supplier.
Reliable Supply Chain & Genuine Products
Based in Shenzhen, we maintain strong relationships with professional supply channels and provide brand-new, authentic products with quality assurance and warranty support.
Professional Technical Support
Our experienced team provides product consultation, solution design, equipment selection, network planning, system deployment, and after-sales service.
Flexible Cooperation Models
We support project procurement, wholesale supply, system integration partnerships, channel distribution, and customized IT solutions for different business requirements.
Industries We Serve
Our solutions are widely applied in:
Government and public sector projects
Enterprise IT infrastructure upgrades
Manufacturing and industrial networks
Schools and universities
Healthcare information systems
AI computing and data centers
Cloud computing environments
Industrial parks and smart building
YIBOTE-Connecting Technology, Empowering Business, Building the Digital Future.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- B617, Bantian International Center, Bantian Street, Longgang District, Shenzhen, Guangdong, China
-
Plant Area
- 300 square meters
-
Number of Employees
- 6
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- T/T, D/P, LC, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port; Hong Kong Port; Guangzhou Port
-
Minimum Order Quantity
- 1 PCS
-
Supply Chain Partners
- 25
Our Production Capability & Technical Expertise
-
Main Products
- IT Networking Equipment, Optical Fiber Communication, Network Router, Network Switch, Wireless Access Point, VOIP Phone, Smart Meeting Tablet
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-05-22
-
Export Year
- 8 years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What is the Grandstream GXP2135 IP Phone?
- The Grandstream GXP2135 is a professional enterprise IP phone designed for business VoIP communication and SIP based telephone systems.
- How many SIP lines does the GXP2135 support?
- The Grandstream GXP2135 supports 8 SIP lines for handling multiple business calls efficiently.
- Does the GXP2135 support Gigabit Ethernet?
- Yes. The GXP2135 features Gigabit Ethernet connectivity for fast and reliable network communication.
- Does the Grandstream GXP2135 support PoE?
- Yes. The GXP2135 supports Power over Ethernet which can simplify installation in business network environments.
- Is the GXP2135 suitable for office use?
- Yes. It is designed for business offices reception areas customer service departments and other professional communication environments.
- Can the GXP2135 work with SIP IP PBX systems?
- Yes. The GXP2135 is designed for SIP based VoIP deployments and can work with compatible SIP IP PBX platforms.
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