Cisco Unified Call Manager - Cisco Phone Error: Host Not Found

News

Route RPKI validation April 1st, 2022
RPKI is a security framework by which network owners can validate and secure the critical route updates or Border Gateway Protocol (BGP) announcements between public Internet networks. BGP is essentially the central nervous system of the Internet and one of its fundamental building blocks. The main function of BGP is to facilitate efficient routing between Autonomous Systems (AS), by building and maintaining the Internet routing table. The Internet routing table is effectively the navigation system of the Internet and without it, traffic would be unable to flow between its constituent networks. Unfortunately, routing equipment alone cannot distinguish between legitimate and malicious routing announcements,...
RIPE – Atlas Anchor February 17th, 2022
We have become an even more integral part of the RIPE Atlas project by hosting an anchor, a device that allows for latency analysis of traffic between autonomous systems.https://atlas.ripe.net/probes/7073/RIPE Atlas anchors play an integral role in the RIPE Atlas network by acting both as enhanced RIPE Atlas probes with more measurement capacity, as well as regional measurement targets within the greater RIPE Atlas network. Anchors are able to perform many more measurements than a regular RIPE Atlas probe, and the large amount of data they collect is made available to everyone. In addition, anchors act as powerful targets that can...
MANRS June 20th, 2020
GOLINE firmly believes in initiatives to protect networks, improve security and resilience of the global routing system. Therefore we decided to support the MANRS project and join as participants.Mutually Agreed Norms for Routing Security (MANRS) is a global initiative, supported by the Internet Society, that provides crucial fixes to reduce the most common routing threats. MANRS offers specific actions via four programs for Network Operators, Internet Exchange Points, CDN and Cloud Providers, and Equipment Vendors. Requirements for Participation Please read the full MANRS Actions document before applying. You can become a participant if you meet these requirements: You (or your company) support...

FAQ
Contatti

Cisco Unified Call Manager – Cisco Phone Error: Host Not Found

Paolo Caparrelli Cisco 22 June 2022

Error: Host Not Found

The Host Not Found error message is received when you press the corporate directory on some 7945 and 9971 IP Phone models.

Solution

This issue can occur if you have changed the domain for the CUCM Publisher and Subscriber. In order to resolve this issue, you need to delete the ITL file from the phone. Complete either of these steps in order to accomplish the task:

On 79XX IP Phone models, navigate to Settings > Security > Trust List > ITL File > **# (to unlock the settings) > Erase.
On 89XX/99XX Sip IP Phone models, go to Settings > Administrator Settings > Reset Settings > Security Settings.

Home

About Us

Services

Solutions

Systems Architecture

Support

FAQ