Phone Adapter with Router

The Router - LAN Setup Screen

This screen lets you configure the local network, dynamic DHCP, and static DHCP lease settings.

Networking Service. Select the service you want to use, NAT or Bridge. The default is NAT.

LAN Network Settings

LAN IP Address. Enter the local IP address of the Phone Adapter. The default is 192.168.0.1.

 

LAN Subnet Mask. Select the local subnet mask: 255.255.255.0, 255.255.255.128, 255.255.255.192,

 

255.255.255.224, 255.255.255.240, 255.255.255.248, or 255.255.255.252. The default is

Figure 6-6: Router - LAN Setup Screen

255.255.255.0.

Enable DHCP Server. To use the Phone Adapter as a router assigning IP addresses, select yes. Otherwise, select

 

no. The default is yes.

 

DHCP Lease Time. Enter the lease time used by the Phone Adapter to distribute IP addresses. The default is 24

 

Hours.

 

DHCP Client Starting IP Address. When the Phone Adapter issues IP addresses, it starts with the first value of

 

its DHCP client IP address range. Enter that value here. The default is 192.168.0.2.

 

Number of Client IP Addresses. Enter the number of IP addresses that can be distributed. The default is 50.

 

Static DHCP Lease Settings

Enable. You can have the Phone Adapter assign the same IP address to a specific device. To disable this feature, select no. To use this feature, select yes. The default is no.

30

Chapter 6: Using the Web-based Utility

 

The Router Tab

VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030

Page 38
Image 38
Cisco Systems SPA2102 manual LAN Network Settings, Static Dhcp Lease 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.