ATA Voice Field Reference

Trunk Group page (SPA8000)

B

Emergency Number

Comma separated list of emergency number patterns. If outbound call matches one of the pattern, SPA will disable hook flash event handling. The condition is restored to normal after the phone is on-hook. Blank signifies no emergency number. Maximum number length is 63 characters.

The default is blank.

Voice tab > Line page >

FXS Port Polarity Configuration section

Idle Polarity

Polarity before a call is connected: Forward or Reverse.

 

The default is Forward.

 

 

Caller Conn Polarity

Polarity after an outbound call is connected: Forward or

 

Reverse.

 

The default is Forward.

 

 

Callee Conn

Polarity after an inbound call is connected: Forward or

Polarity

Reverse.

 

The default is Forward.

 

 

Trunk Group page (SPA8000)

On the SPA8000, you can use the Voice tab > Trunk Group pages (T1 ... T4) to configure the Trunk Groups. This page includes the following sections:

•”Line Enable section” section on page182

•”NAT Settings section” section on page188

•”Network Settings section” section on page182

•”SIP Settings section” section on page182

•”Subscriber Information section” section on page186

•”Dial Plan section” section on page188

•”Proxy and Registration section” section on page195

ATA Administration Guide

181

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Cisco Systems SPA2102, SPA3102, WRP400, PAP2T manual Trunk Group page SPA8000, FXS Port Polarity Configuration section
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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.
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