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Comprehensive Interoperability and SIP-Based Feature Set
Based on SIP, the Cisco SPA 301 1-Line IP Phone has been tested to help ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers.
With hundreds of features and configurable service parameters, the Cisco SPA 301 addresses the requirements of traditional business users while building on the advantages of IP telephony. Features such as easy station moves and shared line appearance (across local and geographically dispersed locations) are just some of the many advantages of the SPA 301.

Carrier-Grade Security, Provisioning, and Management
The Cisco SPA 301 uses standard encryption protocols to perform highly secure remote provisioning and unobtrusive in-service software upgrades. Remote provisioning tools include detailed performance measurement and troubleshooting features, enabling network providers to deliver high-quality support to their subscribers. Remote provisioning also saves service providers the time and expense of managing, preloading, and reconfiguring customer premises equipment.

Telephony Features

One voice line
Music on hold*
Call waiting
Outbound caller ID blocking**
Call transfer: attended and blind** ( SIP Only )
Three-way call conferencing with local mixing
Multiparty conferencing via external conference bridge
Automatic redial of last calling and last called numbers
Call pickup: selective and group*
Call swap
Call back on busy**
Call blocking: anonymous and selective**
Call forwarding: unconditional, no answer, and on busy**
Hot line and warm line automatic calling
Digits dialed with number auto-completion
Anonymous caller blocking**
Support for Uniform Resource Identifier (URI) (IP) dialing (vanity numbers)
Multiple ring tones with selectable ring tone per line
Call duration and start time stored in call logs in web GUI
Distinctive ringing based on calling and called number
10 user-downloadable ring tones
Speed dialing, eight entries
Configurable dial/numbering plan support
Group paging
Network Address Translation (NAT) Traversal, including Serial Tunnel (STUN) support
DNS SRV and multiple A records for proxy lookup and proxy redundancy
Syslog, debug, report generation, and event logging
Support for highly secure encrypted voice communications
Built-in web server for administration and configuration, with multiple security levels
Automated remote provisioning, multiple methods; up to 256 bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP])
Option to require administrator password to reset unit to factory defaults

**Feature requires support by call server.
**Feature activated via feature code

Hardware Features

Voicemail message waiting indicator light
Voicemail message retrieval button
Volume control
Redial Button
Flash Button
Standard 12-button dialing pad
High-quality handset
One Ethernet WAN port 10/100BASE-T RJ-45
5 VDC universal (100-240V) switching power adaptor included

Regulatory Compliance

FCC (Part 15, Class B) , UL, CE Mark, A-Tick

Security Features

Password-protected system, preset to factory defaults
Password-protected access to administrator and user-level features
HTTPS with factory-installed client certificate
HTTP digest: encrypted authentication via MD5 (RFC 1321)
Up to 256-bit Advanced Encryption Standard (AES) encryption


Quick-start installation and configuration guide
User guide
Administration guide
Provisioning guide (for service providers only)

Package Contents

Cisco SPA 301 IP phone, handset
Handset cord
RJ-45 Ethernet cable
Power adapter
Quick installation guide

Table 1 provides specifications for the Cisco SPA 301 1-Line IP Phone.

Table 1. Specifications for the Cisco SPA 301 1-Line IP Phone
Note: Many features are programmable within a defined range or list of options. Please see the SPA Administration Guide for details. The target configuration profile is uploaded to the SPA 301 at the time of provisioning.



Data networking
MAC address (IEEE 802.3)
IPv4 (RFC 791)
Address Resolution Protocol (ARP)
DNS: A record (RFC 1706), SRV record (RFC 2782)
Dynamic Host Configuration Protocol (DHCP) client (RFC 2131)
Internet Control Message Protocol (ICMP) (RFC 792)
TCP (RFC 793)
User Datagram Protocol (UDP) (RFC 768)
Real Time Protocol (RTP) (RFC 1889, 1890)
Real Time Control Protocol (RTCP) (RFC 1889)
Real Time Control Protocol - Extended Report (RFC 3611)
Differentiated Services (DiffServ) (RFC 2475)
Type of service (ToS) (RFC 791, 1349)
VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS)
Simple Network Time Protocol (SNTP) (RFC 2030)

Voice gateway
SIP version 2 (RFC 3261, 3262, 3263, 3264)
SPCP with the Cisco Unified Communications 500 Series
SIP proxy redundancy: dynamic via DNS SRV, A records
Re-registration with primary SIP proxy server
SIP support in NAT networks (including STUN)
SIPFrag (RFC 3420)
Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP)
Codec name assignment
Voice algorithms:
G. 711 (A-law and u-law)
G. 726 (16/24/32/40 kbps)
G. 729 AB
G. 722
Dynamic payload support
Adjustable audio frames per packet
Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO)
Flexible dial plan support with interdigit timers
IP address/URI dialing support
Call progress tone generation
Jitter buffer: adaptive
Frame loss concealment
Voice activity detection (VAD) with silence suppression
Attenuation/gain adjustments
Message waiting indicator (MWI) tones
Voicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBE
Caller ID support (name and number)
Third-party call control (RFC 3725)

Provisioning, administration,
and maintenance
Integrated web server provides web-based administration and configuration
Automated provisioning and upgrade via TFTP, HTTP or HTTPS
Asynchronous notification of upgrade availability via NOTIFY
Nonintrusive in-service upgrades
Report generation and event logging
Statistics transmitted in BYE message
Syslog and debug server records: configurable per line

Power supply
Switching type (100-240V) automatic
DC input voltage: +5 VDC at 1.0A maximum

Physical interfaces
One 10/100BASE-T RJ-45 Ethernet port (IEEE 802.3)
Handset: RJ-9 connector

Indicator lights/LED
Message waiting indicator LED

Dimensions (W x H x D)

7.76 x 3.82 x 1.77 inches (194 x 97 x 45 mm)

Unit weight

1.7 lb ( 0.7711 kg)

Operating temperature

32F ~ 113F (0C ~ 40C)

Storage temperature

-13F ~ 185F (-20C ~ 70C)

Operating humidity

5% to 95% noncondensing

Storage humidity

5% to 95% noncondensing Продукт известен още и като SPA 301 G 2, SPA301G2, SPA301 G2, SPA 301-G2, SPA301-G 2
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