Appendix E: Specifications

Model

SPA2102

Data Networking

MAC Address (IEEE 802.3)

 

IPv4 - Internet Protocol v4 (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)

 

DHCP Server - Dynamic Host Configuration Protocol (RFC 2131)

 

PPPoE Client - Point to Point Protocol over Ethernet (RFC 2516)

 

ICMP - Internet Control Message Protocol (RFC792)

 

TCP - Transmission Control Protocol (RFC793)

 

UDP - User Datagram Protocol (RFC768)

 

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

 

RTCP - Real Time Control Protocol (RFC 1889)

 

DiffServ (RFC 2475), Type of Service - TOS (RFC 791/1349)

 

VLAN Tagging - 802.1p

 

SNTP - Simple Network Time Protocol (RFC 2030)

 

Upload Data Rate Limiting - Static and Automatic

 

QoS - Voice Packet Prioritization over Other Packet Types

 

Router or Bridge Mode of Operation

 

MAC Address Cloning

 

Port Forwarding

Appendix E: Specifications

 

Phone Adapter with Router

69

VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030

Page 77
Image 77
Cisco Systems SPA2102 manual Appendix E Specifications

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.