Contents

Port Forwarding Settings section

119

DMZ Settings section

119

Miscellaneous Settings section

120

System Reserved Ports Range section

120

Appendix B: ATA Voice Field Reference

121

Info page

122

Product Information section

122

System Status section

123

Line Status section

123

System Information section (PAP2T)

126

PSTN Line Status section (SPA3102)

126

Trunk Status section (SPA8000)

129

System page

130

System Configuration section

130

Internet Connection Type section (PAP2T)

131

Optional Network Configuration section (PAP2T)

131

Miscellaneous Settings section (not used with PAP2T)

132

SIP page

133

SIP Parameters section

133

SIP Timer Values (sec) section

135

Response Status Code Handling section

137

RTP Parameters section

138

SDP Payload Types section

140

NAT Support Parameters section

141

Trunking Parameters section (SPA8000)

144

Regional page

145

Call Progress Tones section

146

Distinctive Ring Patterns section

148

Distinctive Call Waiting Tone Patterns section

149

ATA Administration Guide

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Cisco Systems WRP400, SPA2102, SPA3102, SPA8000, PAP2T manual Appendix B ATA Voice Field Reference 121, Info 122

PAP2T, SPA8000, SPA3102, WRP400, 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.