CS SPA122 VOIP ATA Router , 2FXS VOIP ATA SIP VoIP Gateway, PAP2T/SPA1001/SPA2102/SPA3102,optional

Affordable and Feature-Rich Voice over IP (VoIP)

Highlights

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 SPA122 ATA with Router combines VoIP services with an internal router for LAN connectivity. 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 SPA122 includes two standard telephone ports to connect existing analog phones or fax machines to a VoIP service provider. It also includes two 100BASE-T RJ-45 Ethernet ports for WAN and LAN connectivity. Each phone line can be configured independently. With the Cisco SPA122, 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 SPA122 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 SPA122 ATA with Router (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, and one fast Ethernet WAN port, and one fast Ethernet LAN port for local home or business network connection

---  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

IPv4 – Internet Protocol Version 4 (RFC 791) upgradeable to v6 (RFC 1883)
ARP – Address Resolution Protocol
DNS – A Record (RFC 1706), SRV Record (RFC 2782)
DHCP Client – Dynamic Host Configuration Protocol (RFC 2131)
ICMP – Internet Control Message Protocol (RFC792)
TCP – Transmission Control Protocol (RFC793)
UDP – User Datagram Protocol (RFC768)
SIP over UDP/IP RTP – Real Time Protocol (RFC 1889) (RFC 1890)
DiffServ (RFC 2475), Type of Service – TOS (RFC 791/1349)
Voice Gateway:
SIPv2 – Session Initiation Protocol Version 2 (RFC 3261, 3262, 3263, 3264)
SIP Proxy Redundancy
Re-registration with Primary SIP Proxy Server
SIP Support in Network Address Translation Networks – NAT (incl. STUN)
Codec Name Assignment

G.711 (A-law and mu-law)
G.726 (16/24/32/40 kbps)
G.729 A+B
G723.1
Dynamic Payload
Adjustable Audio Frames Per Packet
Fax Tone Detection Pass-Through
T.38 Fax Relay (Future Support Planned)
Voice Band Data / Modem Tone Detection & Pass-Through
DTMF: In-band & Out-of-Band (RFC 2833) (SIP INFO)
Flexible Dial Plan Support with Interdigit Timers and IP Dialing
Call Progress Tone Generation
Jitter Buffer – Adaptive
Frame Loss Concealment
Full Duplex Audio
Echo Cancellation – (G.165/G.168)
VAD – Voice Activity Detection w/ Silence Suppression
Attenuation / Gain Adjustments
Flash Hook Timer
MWI – Message Waiting Indicator Tones
VMWI – Via FSK Polarity Control