ATA Voice Field Reference

PSTN Line page (SPA3102)

B

FAX Enable T38

To enable the use of the ITU-T T.38 standard for faxing,

 

select yes. Otherwise, select no.

 

The default is yes.

 

 

FAX Tone Detect

This parameter has three possible values:

Mode

caller or callee - SPA will detect FAX tone whether it is

 

 

callee or caller

 

caller only - SPA will detect FAX tone only if it is the caller

 

callee only - SPA will detect FAX tone only if it is the callee

 

The default is caller or callee.

 

 

Symmetric RTP

(SPA3102 only) Enable symmetric RTP operation. If

 

enabled, the SPA3102 sends RTP packets to the source

 

address and port of the last received valid inbound RTP

 

packet. If disabled (or before the first RTP packet arrives)

 

the SPA3102 sends RTP to the destination as indicated in

 

the inbound SDP.

 

The default is yes.

 

 

Voice tab > PSTN Line page >

Dial Plans section

Dial Plan 1/2/3/4/5/ 6/7/8

Dial plan script for this line.

The default is (xx.) Dial plans in the dial plan pool to be associated with a VoIP Caller or a PSTN Caller. Each dial plan in the pool is referenced by a index 1 to 8 corresponding to Dial Plan 1 to 8. The dial plan syntax is the same as that used for Line 1.

ATA Administration Guide

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Cisco Systems SPA8000, SPA2102, SPA3102, WRP400, PAP2T manual Dial Plans 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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