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Cisco SPA112 2 Port Phone Adapter (VoIP)

Cisco SPA112 2 Port Phone Adapter (VoIP)
$69.00 inc GST      
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■ Part #SPA112
Cisco SPA112 2 Port Phone Adapter (VoIP)
Actual product may vary from the image
Product Guide:
  • Modem: None
  • QoS: Yes
  • Router: No
  • VoIP Port: FXS
    Product Information

    Cisco SPA112 2 Port Phone Adapter

    Affordable and Feature-Rich Voice over IP (VoIP)


    Eliminate compromise on voice quality or features for phone and fax capabilities associated with Internet voice over IP (VoIP) service. Cisco VoIP solutions provide the quality, peace of mind, and investment protection at an affordable price.

    Product Overview

    The Cisco SPA112 2 Port Adapter enables high-quality VoIP service with a comprehensive feature set through a broadband Internet connection. Easy to install and use, it works over an IP network to connect analog phones and fax machines to a VoIP service provider and provides support for additional LAN connections.

    The Cisco SPA112 includes two standard telephone ports to connect existing analog phones or fax machines to a VoIP service provider. Each phone line can be configured independently. With the Cisco SPA112, users can protect and extend their investment in their existing analog telephones, conference speakerphones, and fax machines as well as control their migration to IP voice with an extremely affordable, reliable solution.

    Compact in design and compatible with international voice and data standards, the Cisco SPA112 can be used with residential, home-office, and small business VoIP service offerings, including full-featured hosted or open source IP PBX environments. This easy-to-use solution delivers advanced features to better connect employees and serve customers, all on a highly secure Cisco network.

    The Cisco SPA112 2 Port Adapter (Figures 1 and 2):

    Enables high-quality VoIP service with a comprehensive feature set through a broadband Internet connection

    Provides high-quality, clear-sounding voice, using advanced voice quality-of-service (QoS) capabilities and the industry-leading voice Session Initiation Protocol (SIP) stack

    Supports reliable faxing with simultaneous voice and data use

    Includes two standard telephone ports, each with an independent phone number, for use with fax machines or analog phone devices

    Is compatible with all industry voice and data standards and common telephone features such as caller ID, call waiting, and voicemail

    Includes a simple-to-use web-based configuration utility for easy deployment

    Figure 1. Cisco SPA112 2 Port Adapter

    Features and Benefits

    The Cisco SPA112 provides an easy-to-use VoIP solution that offers:

    Toll-quality voice and carrier-class feature support: The Cisco SPA112 delivers clear, high-quality voice communication under a variety of network conditions. Excellent voice quality in challenging, changeable IP network environments is made possible through the advanced implementation of standard voice coding algorithms. The Cisco SPA112 is interoperable with common telephony equipment such as fax, voicemail, private branch exchanges (PBXs) and key telephone systems (KTSs), and interactive voice response systems.

    Large-scale deployment and management: The Cisco SPA112 enables service providers to provide customized services to their subscribers. It can be remotely provisioned and supports dynamic, in-service software upgrades. A highly secure profile upload saves providers the time and expense of managing and preconfiguring or reconfiguring customer premises equipment (CPE) for deployment.

    Outstanding security: The Cisco SPA112 supports highly secure, encryption-based methods for communication, provisioning, and servicing.

    Compact size: Designed for small spaces, the Cisco SPA112 can be installed as a desktop unit or mounted on a wall.

    Comprehensive feature set: The standards-based Cisco SPA112 is compatible with Internet VoIP provider features such as caller ID, call waiting, voicemail, call forwarding, distinctive ring, and much more to provide a complete, affordable, and highly reliable solution for high-quality VoIP.

    Easy installation and changes: The web-based configuration utility enables quick deployment and easychanges.

    Investment protection: Businesses that are growing rapidly can use the solution with other Cisco Unified Communications solutions, providing industry-leading investment protection.

    Peace of mind: Cisco solutions deliver the solid reliability you expect from Cisco. All solution components have been rigorously tested to help ensure easy setup, interoperability, and performance.

    Table 1 lists the specifications for the Cisco SPA112 2 Port Adapter.

    Table 1. Product Specifications


    *Note: Many specifications are programmable within a defined range or list of options. Please see the Cisco SPA100 Series Administration Guide for details. The configuration profile is uploaded to the Cisco SPA112 at the time of provisioning.

    Data networking
    MAC address (IEEE 802.3)

    IPv4 (RFC 791) upgradeable to IPv6 (RFC 1883)

    Address Resolution Protocol (ARP)

    Domain Name System (DNS) A record (RFC 1706) and SRV record (RFC 2782)

    Dynamic Host Configuration Protocol (DHCP) client (RFC 2131)

    Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516)

    Internet Control Message Protocol (ICMP) (RFC 792)

    TCP (RFC 793)

    User Datagram Protocol (UDP) (RFC 768)

    Real Time Protocol (RTP) (RFC 1889) (RFC 1890)

    Real Time Control Protocol (RTCP) (RFC 1889)

    VLAN tagging (IEEE 802.1p)

    Simple Network Time Protocol (SNTP) (RFC 2030)

    SIP channels support for both UDP and TCP transport

    Voice gateway
    SIPv2 (RFC 3261, 3262, 3263, and 3264)

    SIP proxy redundancy: Dynamic through use of DNS SRV A records

    Reregistration with primary SIP proxy server

    SIP support in network address translation (NAT) networks (including Serial Tunnel [STUN])

    Highly secure (encrypted) calling using Secure RTP (SRTP)

    Codec name assignment

    G.711 (A-law and -law)

    G.726 (32 kbps)

    G.729 A

    Dynamic payload

    Adjustable audio frames per packet

    Dual-tone multifrequency (DTMF): In-band and out-of-band (RFC 2833) (SIP information)

    Voice features
    Independent configurable dial plans with interdigit timers and IP dialing (1 per port)

    Call progress tone generation

    Jitter buffer: Adaptive

    Frame loss concealment

    Full-duplex audio

    Echo cancellation (G.165 and G.168)

    Voice activity detection (VAD)

    Silence suppression

    Comfort noise generation (CNG)

    Attenuation and gain adjustments

    Flash hook timer

    Message waiting indicator (MWI) tones

    Visual messaging waiting indicator (VMWI) using frequency shift keying (FSK)

    Polarity control

    Hook flash event signaling

    Caller ID generation (name and number): Bellcore, DTMF, and European Telecommunications Standards Institute (ETSI)

    Streaming audio server: Up to 10 sessions

    Music on hold

    Call waiting, call waiting and caller ID

    Caller ID with name and number

    Caller ID blocking

    Selective and anonymous call rejection

    Call forwarding: No answer, busy, and all

    Do not disturb

    Call transfer, call return, and call back on busy

    Three-way conference calling with local mixing

    Per-call authentication and associated routing

    Call blocking with toll restriction

    Distinctive ringing: Calling and called number

    Off-hook warning tone

    Advanced inbound and outbound call routing

    Hotline and warmline calling

    Long silence (configurable time setting) silence threshold

    Disconnect tone (for example, reorder tone)

    Configurable ring frequency

    Ring validation time setting

    Tip and ring voltage adjustment setting

    Ring indication delay setting

    Fax capability
    Fax tone detection pass-through

    Fax pass-through using G.711

    Real-time fax over IP using T.38 fax relay (T.38 support is dependent on fax machine and network and transport resilience)

    Password-protected system reset to factory default

    Password-protected administrator and user access authority

    Provisioning, configuration, and authentication

    HTTPS with factory-installed client certificate

    HTTP digest: Encrypted authentication using MD5 (RFC1321)

    Up to 256-bit Advanced Encryption Standard (AES) encryption

    SIP Transport Layer Security (TLS)

    Provisioning, administration, and maintenance
    Web browser administration and configuration using integral web server

    Telephone keypad configuration with interactive voice prompts

    Automated provisioning and upgrade using HTTPS, HTTP, and Trivial File Transfer Protocol (TFTP)


    Asynchronous notification of upgrade availability using Notify

    Nonintrusive, in-service upgrades

    Report generation and event logging

    Statistics in Bye message

    Debug server records and syslog: Per-line configurable web browser

    Ping and traceroute diagnostics

    Configuration management: Backup and restore

    Support for Bonjour

    Physical interfaces
    1 WAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3)

    2 RJ-11 FXS phone ports for analog circuit telephone device (tip and ring)

    Reset button

    Subscriber line interface circuit (SLIC)
    Ring voltage: 40-90 Vpk configurable

    Ring frequency: 20-25 Hz

    Ring waveform: trapezoidal

    Maximum ringer load: 5 ringer equivalence numbers (RENs)

    On-hook voltage (tip and ring): -46 to -56V

    Off-hook current: 18-25 mA

    Terminating impedance: 600 ohm resistive or 270 ohm + 750 ohm

    150 nF complex impedance

    Frequency response: 300-3400 Hz

    Return loss (600 ohm, 300-3400 Hz): up to 20 dB

    Insertion loss (1 Vrms at 1 kHz): 3-4 dB

    Total harmonic distortion (THD) (350 mV peak at 300 Hz): up to 3%

    Idle channel noise: 72 dB (typical)

    Longitudinal balance: 55 dB (typical)

    Off-hook threshold (line seizure): Rdc < 1000 ohm

    On-hook threshold (line release): Rdc >10000 ohm

    Rdc DC supervisory range: Rdc > 450 ohm

    Regulatory compliance
    FCC (Part 15 Class B), CE, ICES-003, A-Tick certification, Restriction of Hazardous Substances (RoHS), and UL

    Power supply
    DC input voltage: 5V DC at 2.0A maximum

    Power consumption: 5W

    Switching type (100-240V) automatic

    Power adapter: 100-240V and 50-60 Hz (26-34 VA) AC input, with 1.8m cord

    Indicator lights and LEDs
    Phone 1, phone 2, Internet, and power

    Quick Start Guide

    Administration Guide (available online)

    Provisioning Guide (available online)


    Dimensions (W x H x D)
    3.98 x 3.98 x 1.10 in. (101 x 101 x 28 mm)

    Unit weight
    5.40 oz (153 g)

    Operating temperature
    32 to 113F (0 to 45C)

    Storage temperature
    -77 to 158F (-25 to 70C)

    Operating humidity
    10 to 90% noncondensing

    Storage humidity
    10 to 90% noncondensing

    Package Contents
    Cisco SPA112 2 Port Phone Adapter

    5V/2A power adapter

    6-ft (1.83m) Ethernet cable

    Quick Start Guide

    CD with documentation, including license and warranty

    Product Warranty
    1-year limited hardware warranty with return-to-factory replacement and 90-day limited software warranty

    Important Note: Product information is acquired from suppliers and relevant manufacturers. Please check directly with the manufacturers for the most up to date information. While we make every effort to keep this site current and error free, we cannot honour errors which include but are not limited to outdated/incorrect pricing and/or specifications. Prices and specifications can change without notice. Pictures are for illustration purposes only and are not guaranteed to be completely accurate. Individual compatibility of items not guaranteed unless installed and tested by our technicians. Please email us with any specific enquiry.
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