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Category Archives: Telephony
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 cisco, collaboration, CUCM, trouble shoot, voip 3 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
Cisco CUCM 8861 / 8865 Wireless Configuration
The standard mode of operation is typically to wire your IP phone into the network lighting things up with wired Ethernet and PoE. In the case of the 8861 and the 8865 you have the option to disconnect the PoE, power up with a 48 volt power brick and take to the Wi-Fi air waves. Continue reading
Posted in Collaboration, Telephony Tagged cisco, collaboration, configuration, CUCM, networking, wireless Leave a comment
Configure PLAR on SCCP and SIP Phones in CUCM
PLAR is a common feature often used for elevator or emergency phones in public areas. The idea is that when someone takes the phone off hook a call is immediately placed to someone who can help. It’s a critical configuration to get right and test before giving any stamp of approval. Continue reading
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