Cisco SPA301 Full English Product Description

Product Title

Cisco SPA301 Small Business Single-Line SIP VoIP Desk Phone, Entry-Level 1-Line IP Telephone for Home Offices, Small Retail Stores and Light-Duty Single-User Voice Deployments, SIP v2 & SPCP Dual Protocol Support, Single 10/100 Fast Ethernet Port, Included 5V DC AC Power Adapter, Message Waiting LED Indicator, Complete Basic Business Call Features, Embedded Web Administration Interface, SRTP/TLS Secure Voice Encryption, End-of-Sale Legacy SMB VoIP Endpoint

Full Commercial Overview

The Cisco SPA301 is a cost-effective single-line IP desk phone within Cisco’s Small Business SPA300 VoIP series, designed for small enterprises, home offices, retail staff workstations and low-call-volume individual users. It delivers fundamental SIP-based voice communications without high-end extras like multi-line support, color LCD screens or built-in PC Ethernet pass-through.

This device is fully interoperable with Cisco UC500 unified communication systems, Cisco SPA9000 voice gateways, open-source Asterisk, Broadsoft hosted PBX platforms and standard third-party SIP VoIP service providers. Launched years ago, the SPA301 has reached End of Sale (EoS) status and is a legacy entry-level VoIP hardware, succeeded by Cisco 7800 / 8800 enterprise IP phone lines and modern Webex Calling endpoints.

All configuration management, firmware upgrades, dial plan editing and remote diagnostics are supported via TFTP/HTTP/HTTPS secure auto-provisioning and a built-in embedded web management server. Separate administrator and user password permission tiers prevent unauthorized system modification, enabling zero-touch mass deployment for multi-location small businesses and minimizing IT maintenance workloads.

Hardware & Audio Specifications

1. Single Line Voice Support Exclusive support for one active voice line, tailored to users with minimal concurrent call handling requirements.
2. Physical Keypad & Status Indicators Standard 12-key numeric dial pad with dedicated function hard keys: Voicemail retrieval key, volume up/down rocker, last number redial, flash hook key for PBX feature access. A bright dedicated LED Message Waiting Indicator (MWI) lights up to notify users of unread voicemail; no LCD screen is equipped on this model.
3. Audio Processing & Supported Codecs Wired analog handset with crisp voice transmission, supporting both narrowband and wideband audio. Compatible voice codecs include G.711 a/µ law, G.726, G.729AB and G.722 HD wideband voice. Integrated audio optimization technologies: Voice Activity Detection (VAD), Comfort Noise Generation (CNG), dynamic jitter buffer adjustment, DTMF transmission via in-band audio or RFC 2833 out-of-band signaling.
4. Chassis & Mounting Compact matte black plastic desktop unit with an integrated foldable rear support stand for stable desk placement. Wall-mount brackets are not included with the base SPA301 unit.

Network, Power & Interfaces

1. Ethernet Connectivity Single auto-sensing 10/100BASE-TX RJ45 WAN Ethernet port for connecting to LAN switches, routers or VoIP gateways. This model does NOT feature a secondary PC pass-through switch port, which differentiates it from higher-tier SPA303 and SPA500 series phones.
2. Power Supply A universal 100–240V input 5V DC switching AC power adapter is included as the standard power supply. The SPA301 lacks native IEEE 802.3af PoE support; users requiring PoE operation must purchase the separate Cisco POES5 power splitter accessory.
3. IP Network Protocol Stack Full IPv4 compliance supporting core industry standard RFC protocols: DHCP client, DNS A/SRV records, ARP, ICMP, TCP/UDP, RTP/RTCP voice media transport, DiffServ QoS traffic marking, IEEE 802.1p / 802.1Q Layer 2 VLAN traffic prioritization, STUN NAT traversal for home and remote office NAT network environments, SNTP network time synchronization.

Core Business Telephony Feature Set

All calling functions can be configured via the phone’s embedded web GUI or triggered through standard SIP star feature codes:

• Basic Call Handling: Call Waiting, Call Hold, Music On Hold, Attended & Blind Call Transfer, Local Three-Way Audio Conference, Call Swap, Automatic Last Number Redial
• Call Privacy & Caller ID Control: Outbound Caller ID Blocking, Anonymous Call Rejection, Custom Distinctive Ringtones, Storage for up to 8 personal speed dial entries
• Group & Utility Calling: Intercom calling, Selective & Group Call Pickup, Call Back on Busy, System Paging Support
• Call Logging: Records inbound, outbound and missed calls with timestamps; call history data is only accessible through the built-in web management portal, with no local on-device display of call logs.

Security & Remote Management Capabilities

1. Encrypted Voice Communications SRTP (Secure Real-time Transport Protocol) AES encryption for VoIP audio media streams, TLS encrypted SIP signaling traffic to block network eavesdropping and malicious signaling interception.
2. Device Access Security Dual-tier password protection separating administrator and standard user access rights; HTTPS encrypted web management with factory pre-installed digital certificates; MD5 HTTP Digest authentication for remote provisioning servers; password-locked factory reset function to prevent unauthorized full configuration erasure.
3. Provisioning & System Monitoring Secure unattended remote firmware upgrades without active call interruption, centralized syslog event logging, real-time performance metric reporting and built-in network diagnostic tools for service providers and on-site IT administrators.

Environmental & Regulatory Specifications

• Compliance Certifications: FCC Part 15 Class B, UL electrical safety certification, CE marking for European market compliance, A-Tick Australian telecommunications compliance
• Operating Environment: Indoor use only Operating Temperature: 0°C ~ +40°C Operating Humidity: 10% – 90% non-condensing Storage Temperature: -20°C ~ +70°C
• Memory Architecture: Onboard flash memory for persistent firmware and configuration storage, dedicated SDRAM runtime memory for real-time call processing and embedded web server operation
• Lifecycle Status: End of Sale (EoS) legacy small business VoIP hardware, fully discontinued, replaced by modern enterprise IP telephony endpoints
• Warranty: Standard Cisco limited hardware warranty for small business end users

Key Specification Bullet Points

• Model Number: Cisco SPA301
• Device Type: Small Business Single-Line SIP VoIP Desk Phone
• Supported Telephony Protocols: SIP v2 (Full RFC 3261 Standard Suite), SPCP (Cisco Smart Phone Control Protocol for UC500 Series Gateways)
• Supported Voice Codecs: G.711 A/µ, G.726, G.729AB, G.722 HD Wideband Voice
• Display: No LCD Screen; Single LED Message Waiting Indicator (MWI)
• Physical Buttons: 12-key numeric dial pad, dedicated hard keys for voicemail, volume control, redial and flash hook
• Ethernet Interface: Single 10/100BASE-TX RJ45 WAN port, no PC pass-through LAN port
• Power: Included 5V DC universal AC power adapter; no native PoE support (POES5 splitter sold separately)
• Mounting Method: Desktop foldable stand only, wall mount hardware not included
• Supported QoS & Networking: DiffServ marking, 802.1p/802.1Q VLAN tagging, STUN NAT traversal, SNTP time sync
• Security Features: TLS encrypted SIP signaling, SRTP AES encrypted voice media, dual-level admin/user password lock, HTTPS web management
• Core Call Features: Call waiting, hold, transfer, three-way conference, caller ID blocking, anonymous call rejection, intercom, call pickup, speed dial storage
• Management Tools: Embedded web admin interface, TFTP/HTTP/HTTPS auto remote provisioning, syslog logging, remote unattended firmware updates
• Deployment Scenarios: Home office telephony, small retail store staff stations, warehouse light-duty workstations, temporary office spaces, single-user low-volume voice deployments
• Lifecycle Status: Discontinued End-of-Sale legacy VoIP phone
• Warranty: Cisco standard limited hardware warranty

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