ATA Voice Field Reference

Trunk Group page (SPA8000)

Voice tab > Trunk Group page

Subscriber Information section

B

Display Name

Display name for caller ID.

 

 

User ID

Extension number for this line.

 

 

Password

Password for this line.

 

 

Use Auth ID

To use the authentication ID and password for SIP

 

authentication, select yes. Otherwise, select no to use the

 

user ID and password.

 

The default is no.

 

 

Auth ID

Authentication ID for SIP authentication.

 

 

Call Capacity

Maximum number of calls allowed on this trunk group.

 

Choices: 1-15 or unlimited (16 calls). Default is unlimited.

 

Both incoming call and outgoing call are counted towards

 

this limit. The call capacity has the following impact on call

 

handling:

 

• Inbound calls: When the limit is reached, the Trunk SUA

 

replies 486 to the caller.

 

• Outbound calls: When the limit is reached, the Line SUA plays

 

a fast busy tone to the caller. Note that a trunk line can make

 

an outgoing call only through its own trunk. If that trunk

 

reaches full capacity, it will not attempt to failover to use other

 

trunks

 

 

ATA Administration Guide

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Cisco Systems SPA8000, SPA2102, SPA3102, WRP400, PAP2T manual Inbound calls When the limit is reached, the Trunk SUA
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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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