Archive for the ‘CCIE Voice’ Category

Recovering CUE Module from an Errant State

I was getting ready to start my Cisco Unity Express lab and ran into this issue where the CUE module was stuck in errant state. Once I sessioned into the CUE module this is what I saw: BR2-RTR#service-module service-Engine 1/0 session Trying 10.10.202.1, 2066 ... Open EXCEPTION: /sw/info/ps: -5: out...

March 3rd, 2010 | CUE, Tutorials | Read More

Cisco 7941/7961 Stuck at Upgrading Screen

I ran into this issue the other day when I had to do a factory reset on my Cisco 7961 and after that it was stuck at the upgrading screen while displaying the MAC address on the bottom left. Looking through various lists, it appears that others have ran into this issue before. Here are a few things you...

March 2nd, 2010 | IP Phones | Read More

Josh Finke – Best CCIE Voice Instructor Ever?

I have been watching INE's CCIE Voice Class on Demand and all I can say is WOW! I never thought of Josh as a great instructor simply because I never heard his name before. I am half way through watching this and trust me it blows away IPexpert's VOD. Josh has a great style of teaching and even though...

February 21st, 2010 | Voice Lab | Read More

Reset 7941 & 7961 IP Phones to Factory Default

I just ran into this where my BR1 7961 Phone simply refused to get an IP address. After looking through different forums, it appears that resetting the phone to factory default is the last and final option. Here are the step by step instructions on how to reset 7941 or 7961 IP phones to factory default: Unplug...

February 13th, 2010 | IP Phones | Read More

TEHO – Tail End Hop Off

Tail End Hop Off (TEHO) refers to routing long-distance calls across the VoIP network and dropping them off to the Public Switched Telephone Network (PSTN), as a local call, at a remote gateway. In TEHO situations, you can reduce the configuration complexity from the need to configure N2 entities to...

January 30th, 2010 | Call Routing | Read More

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

Cisco Voice Gateways

Gateways provide a number of methods for connecting an IP telephony network to the Public Switched Telephone Network (PSTN), a legacy PBX, or key systems. Gateways range from specialized, entry-level and stand-alone voice gateways to high-end, feature-rich integrated router and Cisco Catalyst gateways....

December 6th, 2009 | Gateways | Read More