Configuring Voice Services

4

 

Configuring Dial Plans

 

 

 

 

 

Digit Sequence

Function

 

 

0 1 2 3 4 5 6 7 8 9 0

Enter any of these characters to represent a key

* #

that the user must press on the phone keypad.

x

Enter x to represent any character on the phone

 

keypad.

 

 

[sequence]

Enter characters within square brackets to create

 

a list of accepted key presses. The user can press

 

any one of the keys in the list.

 

• Numeric range

 

For example, you would enter [2-9]to allow the

 

user to press any one digit from 2 through 9.

 

• Numeric range with other characters

 

For example, you would enter [35-8*]to allow

 

the user to press 3, 5, 6, 7, 8, or *.

 

 

.

Enter a period for element repetition. The dial plan

(period)

accepts 0 or more entries of the digit. For

 

example, 01. allows users to enter 0, 01, 011,

 

0111, and so on.

 

 

<dialed:substituted>

Use this format to indicate that certain dialed

 

digits are replaced by other characters when the

 

sequence is transmitted. The dialed digits can

 

be zero or more characters.

 

EXAMPLE 1: <8:1650>xxxxxxx

 

When the user presses 8 followed by a seven-

 

digit number, the system automatically replaces

 

the dialed 8 with 1650. If the user dials

 

85550112, the system transmits 16505550112.

 

EXAMPLE 2: <:1>xxxxxxxxxx

 

In this example, no digits are replaced. When the

 

user enters a 10-digit string of numbers, the

 

number 1 is added at the beginning of the

 

sequence. If the user dials 9725550112, the

 

system transmits 19725550112

 

 

ATA Administration Guide

62

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Cisco Systems PAP2T, SPA2102, SPA3102, WRP400, SPA8000 manual Digit Sequence Function, 2 3 4 5 6 7 8 9
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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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