Contents

Using a Mini-Certificate

74

Generating a Mini Certificate

75

SIP Trunking and Hunt Groups on the SPA8000

77

About SIP Trunking

78

Setting the Trunk Group Call Capacity

80

Inbound Call Routing for a Trunk Group

80

Contact List for a Trunk Group

81

Outgoing Call Routing for a Trunk Group

83

Configuring a Trunk Group

84

Trunk Group Management

85

Setting the Hunt Policy

86

Additional Notes About Trunk Groups

87

Chapter 5: Configuring Music on Hold

88

Using the Internal Music Source for Music On Hold

88

Using the Internal Music Source

88

Changing the Music File for the Internal Music Source

89

Configuring a Streaming Audio Server

90

About the Streaming Audio Server

90

Configuring the Streaming Audio Server

92

Using the IVR with an SAS Line

93

Chapter 6: Configuring the PSTN (FXO) Gateway on the SPA3102

94

Connecting to PSTN and VoIP Services

94

How VoIP-To-PSTN Calls Work

95

One-Stage Dialing

95

Two-Stage Dialing

97

How PSTN-To-VoIP Calls Work

98

Terminating Gateway Calls

99

VoIP Outbound Call Routing

101

ATA Administration Guide

iii

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Cisco Systems SPA2102, WRP400, SPA8000, PAP2T Configuring Music on Hold, Configuring the Pstn FXO Gateway on the SPA3102

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.