Tag Archives: voip

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

Posted in Telephony | Tagged , , , , | Leave a comment

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

Posted in Collaboration, Telephony | Tagged , , , , | 2 Comments

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

Posted in Collaboration, Telephony | Tagged , , , | 2 Comments

Cisco Mobile and Remote Access QR Code

If you have checked out the Cisco Spark Calling offering you may be familiar with the QR Code that is generated that can be used to register 8845 and 8865 phones to Spark. You simply hold the QR code in front of the phone and it’s read in and the phone registers. The Spark Calling QR code is a 16 digit number unique to Spark with a limited validity period for security. As an engineer I had wondered to myself why this functionality cannot be available with CUCM deployments as well. After all the phones run the same software… As … Continue reading

Posted in Collaboration | Tagged , , , , | Leave a comment