Phone Adapter with Router

Static IP

a.Select Static IP from the Connection Type drop-down menu.

b.In the Static IP Settings section, enter the IP address in the Static IP field, the subnet mask in the NetMask field, and the default gateway IP address in the Gateway field.

c.In the Optional Settings section, enter the DNS server address(es) in the Primary DNS and optional Secondary DNS fields.

d.Click the Submit All Changes button.

PPPoE (most DSL users)

a. Select PPPoE from the Connection Type drop-down menu.

Figure 4-8: Static IP Settings

static ip address: a fixed address assigned to a computer or device connected to a network.

subnet mask: an address code that determines the size of the network.

default gateway: a device that forwards Internet traffic from your local area network.

b.Enter the user name in the PPPoE Login Name field, and enter the password in the PPPoE Login Password field.

c.Click the Submit All Changes button.

6.If the Phone Adapter is pre-configured by your ITSP, then you do not need to change any of the default voice settings. Refer to the documentation supplied by your service provider for more information. If you need to configure additional settings, refer to “Chapter 6: Using the Web-based Utility” for instructions.

Proceed to the next section, “Placing the Phone Adapter.”

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Figure 4-9: PPPoE Settings

pppoe: a type of broadband connection that provides authentication (username and password) in addition to data transport.

Chapter 4: Getting Started

Configuring the Phone Adapter

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Cisco Systems SPA2102 manual Static IP Settings

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.