Tag Archives: voip

CUCM SIP Normalization and Transparency Scripting Example

Posted on October 29, 2019 by

Purpose: The purpose of this document is to describe handling, pass through and manipulation of SIP Alert-Info header information from 3rd party alerting systems or SIP enabled nurse calling systems such as Rauland Responder 5.  The Alert-Info header can be leveraged to play an alternative ringtone on the end device signaling a call that has a higher importance than typical calls.  A differentiated ringtone can indicate call urgency without the end user having to unclip a wireless phone from his/her belt to answer or otherwise address the call while occupied with another critical task. Challenges: CUCM acts as a back … Continue reading →

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CNAM Lookup with Cisco CUBE and Open CNAM

Posted on October 22, 2019 by

While the majority of Internet Telephony Service Providers (ITSP’s) provide a Calling party number look up service, commonly referred to as simply “Caller ID”, there are occasions where this service are not available or limited in some capacity. For example, some carriers will provide lookups for domestic numbers but not provide information for mobile, toll free or international numbers. Continue reading →

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Preparing Endpoints for Webex Calling

Posted on June 7, 2018 by

If you have a DX80, nearly any of the 8800 phones or 7800 series phones you have endpoints needed to register to Webex calling.  The only problem with some of these endpoints, however, can be that they require a minimum version of software to register to the cloud.  As of this writing the DX platform requires at least CE 8.3.4 and the 7800 and 8800 family’s require 11.0 software or later. In some cases you may have a DX80 still on the Android version of software.  This is not supported.  In fact the conversion process can be somewhat involved a … Continue reading →

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CUCM Direct SQL Queries

Posted on January 8, 2018 by

When working with CUCM you quickly come to understand that the whole system is a big database front ended with an ok GUI and few communications protocol stacks.  The graphic interface gets 98% of the work and visibility done for the typical CUCM admin.  However, there always comes a time when getting under the hood can be helpful.  I’m not sure what to say… Examples! Log into the CLI and use the “run sql” command followed by your query.  Here are a few of the ones I have gotten started with. Show all of the tables in the DB: run … Continue reading →

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