Product Overview
The KS31 IPv6 Desktop SIP Phone with PoE is a high-performance network telephone independently developed and manufactured by Shandong Kaer Electric Co., Ltd. with complete independent intellectual property rights. Designed specifically for modern office networking environments, this business communication solution features a 2.8-inch 128×64 graphic LCD screen with backlight, supports 2 SIP accounts and 3-party voice conferences, and is fully compatible with mainstream IP-PBX systems. With easy installation, convenient remote management and high cost performance, the KS31 fully meets the diverse communication needs of small and medium-sized enterprises (SMEs), call centers, government agencies and various industry users.
Key Features & Business Benefits
Superior Audio Quality for Clear Business Communication
Delivers crystal-clear audio quality even in noisy office environments, reducing miscommunication and improving customer service satisfaction. Enhanced by advanced algorithms including AEC, AGC, ANR and VAD, the full-duplex hands-free function with automatic echo cancellation ensures natural and uninterrupted conversations. The phone supports multiple audio codecs including Opus, G.711, G.722 and G.729AB, providing optimal voice quality across different network conditions.
Flexible Network Connectivity with IPv6 Support
Features dual 10/100M Ethernet ports and IPv4/IPv6 dual stack support, future-proofing your communication infrastructure and ensuring seamless compatibility with next-generation networks. This is particularly important for government agencies and enterprises that are migrating to IPv6 networks. The phone also supports VLAN segmentation, allowing you to separate voice traffic from data traffic for improved network performance and security.
Simplified Management with TR069 Protocol
Enables IT administrators to configure, monitor and upgrade hundreds of phones remotely from a central location, significantly reducing on-site support costs and minimizing downtime. The phone also supports web-based management, allowing quick configuration and troubleshooting through any standard web browser. Remote firmware upgrades ensure your devices always have the latest features and security patches.
Cost-Effective Design for Bulk Deployment
Offers exceptional value for money without compromising on performance or reliability. The PoE power supply simplifies installation by delivering both data and power over a single Ethernet cable, reducing wiring clutter and installation time by 60%. No additional power outlets are required, making it ideal for office renovations and new deployments. The dual SIP accounts feature allows users to manage personal and business lines on a single device, eliminating the need for multiple phones and reducing hardware costs by up to 50%.
Robust Network Security
Protects sensitive business communications from unauthorized access with support for SRTP encryption, Open VPN and VLAN. The phone complies with SIP v1 (RFC2543) and SIP v2 (RFC3261) standards, ensuring interoperability with a wide range of SIP-based systems. STUN/TURN/ICE support enables seamless communication across NAT devices, making it suitable for distributed enterprise environments.
Detailed Technical Specifications
Item | Describe |
|---|
Frequency | CODEC: AMR-NB/WB, G.711(A/µ) , G.722, G.729AB, iLBC, iSAC,Opus, PCMA, PCMU DTMF: In-band, Out-of-band and SIP INFO (RFC 4733) Enhanced algorithms: AEC, AGC, ANR, VAD, CNG, DTX, PLC Full-duplex hands-free, with automatic echo cancellation |
Function
| VoIP accounts: 2 Caller ID, call ringtone Call hold, mute, do not disturb 3-party conference Call forwarding,Explicit Call Transfer, call waiting Redial, call back |
Network security | SIP Protocol： SIP v1 (RFC2543)、 v2 (RFC3261) Intranet through：STUN/TURN/ICE RTP/RTCP/SRTP UDP/TCP/DNS-SRV (RFC 3263) IPv6 VLAN TR069、Open VPN |
Store | Call log | it can store 40 received calls, 40 dialed calls and 40 missed calls |
Phone book storage | 1000 |
Accessory | Accessory | Manual book, handle, handle wire, power adapter, cable, framework |
System | Operating system | Linux4.4 |
CPU | 4 core A35 ARM processor, the highest frequency up to 1.3Ghz |
RAM/ ROM | 1GB/1GB |
External interface | Ethernet | 2xRJ45 10/100M |
Handle | 1xRJ11 |
Headset | 1xRJ11 |
Power | DC 5.5*1.35 |
Display screen | LCD display screen | 2.8inches，128 × 64dots，with backlight |
Mic | Qty. | 2 |
Horn | Power | 8Ω/0.5W |
structure | Dimension | Phone: 204×202×42 mm, framework：165×100×26mm |
Material | ABS/Black |
Weight(kg) | 0.8 |
Power | Power adapter | Input AC 100~240V，Output DC 5V / 500mA |
Environment | Working temp. and humidity | -10 ℃ ~50 ℃ ，0 ％ ~95 ％(No condensation) |
Air pressure | 86kPa～106kPa |
Industry-Specific Applications
Office Environments
The KS31 is the perfect communication solution for general office use. Its compact design fits neatly on any desk, while features like headset mode and mute function enable distraction-free calls. The dual network ports allow daisy-chaining of computers, reducing the need for additional network outlets. The intuitive interface requires minimal training, allowing employees to start using the phone immediately.
Call Centers
With HD voice quality and advanced noise cancellation technology, the KS31 ensures clear communication between agents and customers. The 3-party conference function enables supervisors to join calls for training or assistance, improving overall call center efficiency. The TR069 remote management feature allows IT teams to deploy and manage hundreds of phones quickly and easily.
Government Agencies
The KS31 SIP Phone's support for IPv6 and robust network security features make it ideal for government organizations with strict security requirements. It complies with relevant national standards and can be seamlessly integrated into existing government networks. The phone's stable performance and reliable operation ensure uninterrupted communication for critical government services.
Hotels & Hospitality
The KS31 can be used at hotel front desks and in guest rooms. Guests can make local and international calls using VoIP technology, while hotel staff can use the phone to coordinate housekeeping, maintenance and other services. The easy-to-use interface requires minimal training for staff, and the durable construction ensures long-lasting performance in high-traffic environments.
Why Choose Kaer Electric's KS31 SIP Phone?
Shandong Kaer Electric Co., Ltd. is a professional manufacturer of communication equipment with years of experience in research, development and production. Our products are independently developed with complete intellectual property rights, ensuring high quality and reliable performance. We have a strong R&D team composed of experienced engineers who are dedicated to providing innovative communication solutions for our customers.
The KS31 SIP phone is the result of our continuous innovation and strict quality control. It has undergone rigorous testing to ensure stable operation in various environments, from small offices to large enterprise networks. We offer comprehensive technical support and after-sales service to ensure that our customers get the most out of their investment.
When you choose Kaer Electric, you are not just buying a product, you are partnering with a reliable communication solutions provider who is committed to your success.
FAQ
Does the KS31 SIP Phone support PoE power supply?
Yes, the KS31 supports both PoE (IEEE 802.3af) and DC power supply. PoE allows the phone to receive both data and power over a single Ethernet cable, simplifying installation and reducing wiring costs.
How many SIP accounts can the KS31 SIP Phone support?
The KS31 SIP Phone supports up to 2 SIP accounts, allowing users to manage two different phone lines on a single device. This is ideal for employees who need to handle calls from different departments or clients.
Is the KS31 SIP Phone compatible with IPv6 networks?
Yes, the KS31 SIP Phone supports both IPv4 and IPv6 dual stack, making it future-proof and compatible with next-generation networks. This is particularly important for government agencies and enterprises that are migrating to IPv6.
