Configuring Music on Hold | Cisco Systems SPA2102, SPA3102, WRP400

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

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.

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

Models: PAP2T SPA8000 SPA3102 WRP400 SPA2102

Contents

SIP Trunking and Hunt Groups on the SPA8000

Chapter 5: Configuring Music on Hold

Configuring a Streaming Audio Server

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

PAP2T, SPA8000, SPA3102, WRP400, SPA2102 specifications