Archive for the ‘CUCM’ Category

Cisco UCM SIP Profile Configuration

A SIP profile comprises the set of SIP attributes that are associated with SIP trunks and SIP endpoints. SIP profiles include information such as name, description, timing, retry, call pickup URI, and so on. The profiles contain some standard entries that cannot be deleted or changed. SIP Profile Information Name Enter...

December 24th, 2009 | CUCM, SIP | Read More

Cisco UCM Device Pool Configuration

Device pools define sets of common characteristics for devices. The device pool structure supports the separation of user and location information. The device pool contains only device- and location-related information. The Common Device Configuration window records all the user-oriented information...

December 24th, 2009 | CUCM | Read More

CUCM Date/Time Group Configuration

Use Date/Time Groups to define time zones for the various devices that are connected to Cisco Unified Communications Manager. Each device exists as a member of only one device pool, and each device pool has only one assigned Date/Time Group. Installing Cisco Unified Communications Manager automatically...

December 22nd, 2009 | CUCM | Read More

CUCM Phone NTP Reference Configuration

If you want to do so, you can configure phone Network Time Protocol (NTP) references in Cisco Unified Communications Manager Administration to ensure that a phone that is running SIP gets its date and time from the NTP server. If all NTP servers do not respond, the phone that is running SIP uses the...

December 22nd, 2009 | CUCM | Read More

Database Communication Error in CUCM 7

First time I ran into this issue was back when I was changing the IP addresses of my CUCM Pub and Sub to match the IPX workbooks. While building the VMs, I did not realize and assigned the home network IP subnet 192.168.x.x to these servers. When I changed the IPs, all hell broke lose and I started seeing...

November 8th, 2009 | CUCM | Read More

CUCM 7.x GUI Menu Options

CUCM 7.x comes with a very neatly designed GUI. Rather than putting everything on one page, Cisco has grouped them into diferent categories to make navigation easier for Voice admin. The dropdown menu on the top right corner of the screen lets you switch between differen subsystems within the CUCM 7.x....

November 3rd, 2009 | CUCM | Read More

Cisco Unified CallManager

Cisco Unified CallManager is the core call processing software for Cisco IP Telephony. It builds call processing capabilities on top of the Cisco IP network infrastructure. Cisco Unified CallManager extends enterprise telephony features and capabilities to telephony network devices such as IP phones,...

July 20th, 2009 | CUCM, Voice Written | Read More