D-4 Reference Guide

Cause No. 2: no route to specified transit network. This cause indicates that the equipment sending this cause has received a request to route the call through a particular transit network which it does not recognize. The equipment sending this cause does not recognize the transit network either because the transit network does not exist or because that particular network, while it does exist, does not serve the equipment that is sending this cause.

This cause is supported on a network-dependent basis.

Cause No. 3: no route to destination. This cause indicates that the called user cannot be reached because the network through which the call has been routed does not serve the destination desired.

This cause is supported on a network-dependent basis.

Cause No. 6: channel unacceptable. This cause indicates that the channel used in this call is not acceptable to the sending entity.

Cause No.7: call awarded and being delivered in an established channel. This cause indicates that the user is receiving an incoming call, which is being connected to a channel already used by that user for similar calls (e.g., packet-mode X.25 virtual calls).

Cause No. 16: normal call clearing. This cause indicates that the call is being cleared because one of the users involved in the call has requested that the call be cleared.

Under normal situations, the source of this cause is not the network.

Cause No. 17: user busy. This cause is used when the called user has indicated the inability to accept another call.

It is noted that the user equipment is compatible with call.

Cause No. 18: no user responding. This cause is used when a user does not respond to a call establishment message with either an alerting or connect indication within the prescribed period of time allocated (defined in Recommendation Q.931 by the expiry of either timer T303 or T310).

Cause No. 19: no answer from user (user alerted). This cause is used when a user has provided an alerting indication but has not provided a connect indication within a prescribed period of time.

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PN Series specifications

Netopia PN Series is a line of high-performance, user-friendly networking devices designed to meet the demands of modern digital environments. These devices are engineered for seamless connectivity, robust security, and high-speed data transmission, making them an ideal choice for both residential and commercial applications.

One of the standout features of the Netopia PN Series is its support for dual-band Wi-Fi technology. By operating on both 2.4 GHz and 5 GHz frequencies, these devices provide users with enhanced flexibility and connectivity options. The dual-band capability reduces interference and congestion, enabling devices to connect more reliably and providing faster speeds for data-intensive activities like streaming, gaming, and video conferencing.

The PN Series also comes equipped with advanced security protocols to protect users' data and networks. With support for WPA3 encryption and built-in firewalls, the devices ensure a secure connection, safeguarding against unauthorized access and various cyber threats. Additionally, the Netopia PN Series supports guest networks, allowing visitors to connect without compromising the integrity of the primary network.

In terms of technology, the PN Series utilizes advanced mesh networking capabilities, allowing multiple devices to work together to create a unified and expansive Wi-Fi coverage area. This technology significantly reduces dead zones and enhances overall performance, making it an excellent choice for larger homes and commercial spaces where traditional routers may struggle to provide adequate coverage.

Moreover, the Netopia PN Series features intelligent bandwidth management, which allocates network resources efficiently based on user needs and device demands. This dynamic allocation maximizes connectivity performance and enhances the user experience, ensuring smooth operation even under heavy network loads.

The devices come with a user-friendly interface that allows for easy setup and management. Users can quickly configure settings through a mobile app or web portal, making it accessible for individuals with varying levels of technical expertise. Furthermore, the PN Series supports software updates and feature enhancements, ensuring that the devices remain up-to-date with the latest advancements in networking technology.

In conclusion, the Netopia PN Series stands out for its combination of dual-band capabilities, advanced security, mesh networking technologies, and user-friendly management. These characteristics make it an excellent choice for anyone looking to enhance their connectivity experience in today’s digital age. Whether for home use or business solutions, the Netopia PN Series provides reliable and robust networking performance.
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