1.5.1Primary Directory Number (PDN)/Secondary Directory Number (SDN) Extension

1.5Using a PDN/SDN Button

1.5.1Primary Directory Number (PDN)/Secondary Directory Number (SDN) Extension

Primary Directory Number (PDN) buttons and Secondary Directory Number (SDN) buttons are useful when extension users will handle calls for other extensions. For example, a secretary or multiple secretaries can handle calls and check the call status of a boss or multiple bosses. The functions of PDN and SDN buttons are as follows: PDN button: This button can be used to make and receive all calls (including both outside and intercom calls). Having multiple PDN buttons allows multiple calls to be queued at the extension. Extensions that have a PDN button are called PDN extensions. SDN button: The light of an SDN button displays the current call status of the registered extension, similar to a DSS button. In addition, this button can be used to perform the following operations:

•call the PDN extension ( SDN Direct Dial)

•answer calls ringing at the PDN extension

•hold calls and retrieve calls held by the PDN extension ( Call Hold and Call Hold Retrieve)

•transfer calls to the PDN extension ( Call Transfer Using SDN Button) Extensions that have an SDN button are called SDN extensions.

• The extension that is registered as the destination of an SDN button must have at least one PDN button.

•One extension can have up to 8 PDN buttons.

•An extension can have only one SDN button for each PDN extension.

•The button light of each PDN/SDN button shows the current status as follows:

Light Pattern

Off

PDN Button Status

SDN Button Status

 

 

The PDN extension is idle.

Green on

Flashing green slowly

Flashing green moderately

Flashing green rapidly

Red on

Flashing red slowly

The extension is on a call using the PDN button.

A call is on hold at the PDN extension (Regular Hold).

A call is on hold temporarily or on Exclusive Call Hold.

The PDN extension is receiving an incoming call.

A corresponding SDN extension is using the line.

A corresponding SDN extension is holding a call.

The extension is on a call using an SDN button.

A call answered with the SDN button is on hold (Regular Hold).

A call answered with the SDN button is on hold temporarily or on Exclusive Call Hold.

An SDN extension is receiving a Hold Recall or callback ringing from a call answered with the SDN button.

The corresponding PDN extension or another corresponding SDN extension is using the line.

Another corresponding SDN extension, or the PDN extension itself, is holding a call.

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Panasonic KX-NCP500 manual Using a PDN/SDN Button, Light Pattern Off PDN Button Status SDN Button Status
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KX-NCP500 specifications

The Panasonic KX-NCP500 and KX-NCP1000 are advanced communication systems tailored for businesses seeking reliable and feature-rich solutions. Both models belong to the KX-NCP series, which is renowned for its versatility, scalability, and integration capabilities.

The KX-NCP500 is designed for small to medium-sized enterprises, while the KX-NCP1000 caters to larger organizations requiring more extensive communication solutions. Both systems benefit from a modular architecture that allows businesses to customize their telephony setup based on individual needs.

One of the key features of these systems is their hybrid technology, which supports both traditional analog and digital telephony alongside Voice over Internet Protocol (VoIP). This dual capability enables organizations to optimize their communication infrastructure, reducing costs and enhancing flexibility. The systems can seamlessly integrate with existing telephone lines while allowing companies to transition to IP-based solutions over time.

Another standout characteristic is the advanced call handling capabilities. Both models support features such as call forwarding, call queuing, and conference calling, ensuring that businesses can maintain efficient communication. The ability to manage multiple line appearances and extensions makes it easy for users to navigate incoming calls effectively, which is vital for customer service and internal coordination.

The KX-NCP500 and KX-NCP1000 also come with robust management tools, including a web-based interface for easy configuration and monitoring. This user-friendly interface allows IT administrators to manage users, configure settings, and analyze call data effortlessly. Additionally, the systems offer enhanced security features, including SIP trunking, encryption, and secure communications, which are crucial for protecting sensitive business information.

For businesses looking to expand their communication capabilities, both models support a wide range of peripheral devices. This includes not only standard desk phones but also wireless handsets, video phones, and specialized devices designed for specific industries, such as hospitality and healthcare.

Furthermore, the systems provide options for unified communications, enabling organizations to integrate email, instant messaging, and video conferencing into their everyday workflows. This holistic approach fosters collaboration and enhances productivity among teams.

In summary, the Panasonic KX-NCP500 and KX-NCP1000 stand out for their hybrid telephony capabilities, comprehensive call handling features, and user-friendly management tools. Their scalability and integration possibilities make them ideal choices for businesses of varying sizes, helping them to achieve efficient and cost-effective communication solutions.
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