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Cisco SPA122

Cisco SPA122

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List Price: $84.00

  • Manufacturer: Cisco
  • Model: SPA122
  • UPC:
  • Warranty: 1 year
  • Availability: Available to ship same business day
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Cisco SPA122 Specifications


*Note: Many specifications are programmable within a defined range or list of options. Please see the SPA100 Series Administration Guide for details. The configuration profile is uploaded to the SPA122 at the time of provisioning.

Data networking

MAC address (IEEE 802.3)

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

Address Resolution Protocol (ARP)

DNS-A record (RFC 1706), SRV record (RFC 2782)

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

DHCP client reservation

DHCP Option 159, 160

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)

Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791/1349)

VLAN tagging (IEEE 802.1p)

Simple Network Time Protocol (SNTP) (RFC 2030)

Upload data rate limiting: static and automatic

Quality of service (QoS) voice packet prioritization over other packet types

MAC address cloning

Port forwarding

Session Initiation Protocol (SIP) channels support both UDP and TCP transport

VPN pass-through with IP Security encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP)

Voice gateway

Session Initiation Protocol (SIP) v2 (RFC 3261, 3262, 3263, 3264)

SIP proxy redundancy: dynamic via 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 via Secure RTP

Codec name assignment

G.711 (A-law and μ-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 info)

Voice features

QoS (Ethernet port upstream bandwidth control)

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/G.168)

Voice activity detection (VAD)

Silence suppression

Comfort Noise Generation (CNG)

Attenuation/gain adjustments

Flash hook timer

Message waiting indicator (MWI) tones

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

Polarity control

Hook flash event signaling

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

Streaming audio server: Up to 10 sessions

Music on hold

Call waiting, call waiting caller ID

Caller ID with name and number 

Caller ID blocking

Selective and anonymous call rejection

Call forwarding: No answer, busy, all

Do not disturb

Call transfer, call return, 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

Hot line and warm line calling

Long silence (configurable time setting) silence threshold

Disconnect tone (e.g., reorder tone)

Configurable ring frequency

Ring validation time setting

Tip/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 via T.38 fax relay (T.38 support is dependent on fax machine and network/transport resilience)


Password-protected system reset to factory default

Password-protected administrator and user access authority


HTTPS with factory-installed client certificate

HTTP digest: Encrypted authentication via MD5 (RFC 1321)

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

SIP TLS (Transport Layer Security)

Provisioning, administration, and maintenance

Web browser administration and configuration via integral web server

Telephone keypad configuration with interactive voice prompts

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


Asynchronous notification of upgrade availability via NOTIFY

Nonintrusive, in-service upgrades

Report generation and event logging

Stats in BYE message

Debug and syslog server records: 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)

1 LAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3)

2 RJ-11 FXS phone ports for analog circuit telephone device (tip/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/off-hook characteristics:

On-hook voltage (tip/ring): -46 ~ -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), UL

Power supply

DC input voltage: +5V DC at 2.0A max.

Power consumption: 5W

Switching type (100-240V) automatic

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

Indicator lights/LED

Phone 1, Phone 2, Internet, Power


Quick Start Guide

Administration Guide – available online

Provisioning Guide– available online



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

32º to 113ºF (0º to 45ºC)

Storage temperature

-77º to 158ºF (-25º to 70ºC)

Operating humidity

10% to 90% noncondensing

Storage humidity

10% to 90% noncondensing

Package Contents

Cisco® SPA122 ATA with Router

5V/2A power adapter

6-foot (1.83m) Ethernet cable

Quick Start Guide

CD with documentation, including license and warranty

Cisco SPA122 Resources

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