Application | Cisco Systems SPA2102, SPA3102, WRP400, SPA8000, PAP2T

ATA Routing Field Reference

Application page

Router tab > LAN Setup page >

LAN Networking Settings section

Use these network settings when using NAT.

LAN IP Address	IP address of the ATA device on the LAN side.

LAN Subnet Mask	IP address for subnet mask.

Enable DHCP Server	Options are Yes or No for the DHCP Server to provide
	an IP address.

DHCP Lease Time	Provided by the DHCP Server. IP renewal process
	begins when the time expires.

DHCP Client Starting IP	Initial IP address the DHCP Server provides for PCs
Address	attached to the LAN port.

Number of Client IP	Number IP addresses available for the DHCP Server to
Addresses	provide.

Router tab > LAN Setup page >

Static DHCP Lease Settings section

Use these settings when using a static IP address.

Enable	Options are Yes or No. Default is No.

Host Mac Address	Match to other device’s MAC address.

Host IP Address	Match to other device’s IP address.

Application page

You can use the Application page to set up port forwarding, DMZ, and multicast passthrough, and to reserve ports. This page includes the following sections:

•“Port Forwarding Settings section,” on page119

•“DMZ Settings section,” on page119

•“Miscellaneous Settings section,” on page120

•“System Reserved Ports Range section,” on page120

ATA Administration Guide

118

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.