Category Archives: Telephony

Preparing Endpoints for Webex Calling

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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Configure IOS DSP Conference Bridge

To configure a DSP conference bridge in IOS you will need to iron out a few sections of config in a particular order and then link it all together with the “associate” commands. First, configure SCCP on the box and reference the UCM system(s) in your environment !define a source !reference your UCM system(s) and prioritize them when using redundancy interfacesccp local GigabitEthernet0/0 sccp ccm 192.168.1.10 identifier 1 priority 1 version 7.0 Next, build out your dspfarm profile for this conference.  This is where you allocate resources and specify codecs that are supported !name it and indicate its a conference. … Continue reading

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Taking a Screenshot on an 8800 Series Cisco Phone

Taking screenshots of the screen of Cisco IP phones can be helpful in remote troubleshooting and documentation. Taking screenshots of the latest 88xx phones is just as simple as in the past. Continue reading

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Calling Party Routing of Anonymous Calls SIP Header Fix Up

Cisco’s “Route Next Hop By Calling Party Number” translation pattern option has addressed the common question of “how do I route or block calls based on Caller ID?” since CUCM version 8. However, there still remains a limitation and that is how to deal with “Anonymous”, “Restricted” or “Unknown” Calling Numbers. The problem is that the SIP information actually lists this as part of the From header where CUCM typically would expect to see a numeric value. Continue reading

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