ATA Administration Guide 163 | Cisco Systems SPA2102, SPA3102, PAP2T

ATA Voice Field Reference

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Daylight Saving	Daylight Saving Time can be turned on or off. This option
Time Enable	affects the time stamp on CallerID and affects all the lines
	and extensions of the phone. Default is Yes (on).

FXS Port Input Gain	Input gain in dB, up to three decimal places. The range is
	6.000 to -12.000.
	The default is -3.

FXS Port Output	Output gain in dB, up to three decimal places. The range is
Gain	6.000 to -12.000. The Call Progress Tones and DTMF
	playback level are not affected by the FXS Port Output
	Gain parameter.
	The default is -3.

DTMF Playback	Local DTMF playback level in dBm, up to one decimal
Level	place.
	The default is -16.0.

DTMF Playback	Local DTMF playback duration in milliseconds.
Length	The default is .1.
	The default is .1.

Detect ABCD	To enable local detection of DTMF ABCD, select yes.
	Otherwise, select no.
	The default is yes. Setting has no effect if DTMF Tx Method
	is INFO; ABCD is always sent OOB regardless in this
	setting.

Playback ABCD	To enable local playback of OOB DTMF ABCD, select yes.
	Otherwise, select no.
	The default is yes.

ATA Administration Guide

163 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.