Cisco Systems SPA2102 manual Features, Specifications Data networking

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Data Sheet

speakerphones, and fax machines, as well as control their migration to IP with an extremely affordable, reliable solution.

Installed by the end user and remotely provisioned, configured, and maintained by the service provider, each Cisco SPA2102 converts voice traffic into data packets for transmission over an IP network. Compact in design, the SPA2102 can be used in consumer and business VoIP service offerings, including full-featured IP Centrex environments. The SPA2102 uses international standards for voice and data networking for reliable operation.

Features

Toll-quality voice and carrier-grade feature support: The Cisco SPA2102 delivers clear, high- quality voice communication under a variety of network conditions. Excellent voice quality in challenging, changeable IP network environments is made possible via the advanced implementation of standard voice coding algorithms. The SPA2102 is interoperable with common telephony equipment such as fax, voicemail, PBX/KTS, and interactive voice response systems.

Large-scale deployment and management: The Cisco SPA2102 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.

Ironclad security: The Cisco SPA2102 supports highly secure, encryption-based methods for communication, provisioning, and servicing.

Specifications

Table 1 contains the specifications and package contents for the Cisco SPA2012 Phone Adapter with Router.

Table 1. Specifications for the Cisco SPA2012 Phone Adapter with Router

Specifications

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)

 

DHCP server (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)

 

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

 

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

 

Router or bridge mode of operation

 

MAC address cloning

 

Port forwarding

© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.

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Contents Highlights Product OverviewSpecifications Data networking FeaturesSpecifications Maintenance Voice specificationsProvisioning, administration Voice gatewayPackage Contents Power supplyIndicator lights/LED Environmental DimensionsC78-502137-00 11/08
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SPA2102 specifications

The Cisco Systems SPA2102 is a versatile Voice over Internet Protocol (VoIP) adapter that serves as a bridge between traditional telephony systems and modern IP networks. Designed primarily for small to medium businesses, the SPA2102 is highly regarded for its reliability, ease of use, and rich feature set. This device allows users to make and receive phone calls over the internet while maintaining the ability to connect traditional analog phones.

One of the standout features of the SPA2102 is its dual-port capability. The device includes two FXS ports, allowing users to connect two separate analog telephones. This makes it an ideal choice for businesses that want to retain their existing telephony infrastructure while transitioning to a VoIP system. The ability to utilize two telephone lines simultaneously provides flexibility and convenience, especially for users in a busy office environment.

The SPA2102 leverages Session Initiation Protocol (SIP) technology, which is widely recognized for its robustness and interoperability. The support for SIP ensures that the SPA2102 can work seamlessly with various VoIP service providers, offering users a broad range of options for their telecommunication needs. In addition to SIP, the device supports various codecs, including G.711, G.726, and G.729, allowing for flexible audio quality settings and bandwidth management.

Security is also a critical aspect of the SPA2102. It incorporates advanced encryption methods, such as Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS), to protect voice communications from potential eavesdropping. This focus on security makes the SPA2102 a reliable choice for businesses concerned about the confidentiality of their conversations.

The device is easy to configure and manage, thanks to its web-based interface. This allows administrators to quickly set up the adapter, manage network settings, and troubleshoot any issues that may arise. Furthermore, the SPA2102 supports Quality of Service (QoS) features, ensuring that voice traffic is prioritized over other types of network traffic, which enhances call quality and reliability.

Overall, the Cisco SPA2102 is a powerful, user-friendly VoIP adapter that combines traditional telephony with modern IP technology. Its dual-port capability, support for SIP, extensive security features, and ease of configuration make it a solid choice for businesses looking to innovate their communication systems while minimizing disruption. Whether used in a small office or a larger organizational setting, the SPA2102 continues to be a reliable component of VoIP solutions.