ATA Voice Field Reference

Trunk Group page (SPA8000)

B

SIP Port

Port number of the SIP message listening and transmission

 

port.

 

The default is 5060.

 

 

SIP 100REL Enable

To enable the support of 100REL SIP extension for reliable

 

transmission of provisional responses (18x) and use of

 

PRACK requests, select yes. Otherwise, select no.

 

The default is no.

 

 

Auth Resync-

If this feature is enabled, the ATA device authenticates the

Reboot

sender when it receives the NOTIFY resync reboot (RFC

 

2617) message. To use this feature, select yes. Otherwise,

 

select no.

 

The default is yes.

 

 

SIP Proxy-Require

The SIP proxy can support a specific extension or behavior

 

when it sees this header from the user agent. If this field is

 

configured and the proxy does not support it, it responds

 

with the message, unsupported. Enter the appropriate

 

header in the field provided.

 

 

SIP Remote-Party-

To use the Remote-Party-ID header instead of the From

ID

header, select yes. Otherwise, select no.

 

The default is yes.

 

 

SIP GUID

This field is not found in the PAP2T.

 

The Global Unique ID is generated for each line for each

 

device. When it is enabled, the ATA device adds a GUID

 

header in the SIP request. The GUID is generated the first

 

time the unit boots up and stays with the unit through

 

rebooting and even factory reset. This feature was

 

requested by Bell Canada (Nortel) to limit the registration of

 

SIP accounts.

 

The default is yes.

 

 

ATA Administration Guide

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Cisco Systems SPA2102, SPA3102, WRP400, SPA8000, PAP2T manual ATA Administration Guide 183
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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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