22 October 2011
some Time ago I found there was a Problem in the Cisco operating system (IOS). I had to update the Operating System I want to try the new method through the USB. After the throes of a long time with the routers (C880) discovered a problem in the operating system was the only solution is [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware0 Comments
22 October 2011
Explain the property Errdisable-recovery at Cisco In CCNA Level we Konw how the Switch sometimes close the Port if the case has been exceeded the police on the port such as this Police Port Security, UDLD, Storm Control, which the Switch stops the port directly in case any one exceed this police. but to [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware1 Comment
19 October 2011
To configuring Cisco IOS H.323 VoIP dial peers to facility call path (and DTMF relay) between PSTN parties and the Cisco Video Communications Server (VCS). Specifically, when the call is tandem routed by the Cisco Unified Communications Manager (CUCM).
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware2 Comments
19 October 2011
I am a regular face on the Cisco Support Community (CSC) forums and I recently saw a question that is constantly resurfacing on the forum. The question? “Should I use MGCP or H.323 for gateway protocol?” I suppose SIP can be thrown in there as well. I have a canned response to this question and [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware0 Comments
01 September 2011
Using the Cisco Unified Reporting Tool in CUCM 7.x and 8.xx to verify Replication Status: The Cisco Unified Reporting tool is a web application that can be accessed at the CUCM console and is a quick and convenient way to gather data about a CUCM cluster as well as information that may be helpful in [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware3 Comments
01 September 2011
let’s talk about how to add CounterPath’s X-Lite SIP softphone to Cisco Unified Communications Manager (CUCM). First, I just wanted to add some 3rd party SIP phones to CUCM to start testing feature behaviors. X-Lite seemed like a reasonable choice as it was free and apparently pretty popular. Second, the resources I have found on-line, [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware13 Comments
01 September 2011
Configure a Gateway to use SIP and SIP Trunk between Gateway and CUCM 1- Configure the switchtype and clocking on Gateway 2- Configure the T1 PRI Card 3- Enable IE delivery for the T1 4- Bind signaling and media to the most reliable interface, here we’re using loopback interface of our gateway [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware2 Comments
06 May 2011
Yesterday I saw on Cisco Support Page a wonderful command can we use to compare the changes that have taken place between the settings for the Startup-configuration and the Run-configuration Today we talk about this Command because of their great utility to discovery some errors of Engineers, which sometimes work on the hardware.
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware4 Comments
28 April 2011
The proper way to reboot or shutdown a Cisco Unified Communications Manager (Callmanager) server is to issue the “UTILS SYSTEM RESTART” command from the console. Alternatively you can SSH to the server and issue the restart command remotely. You can SSH to your server using any SSH client you wish. Putty is a free, commonly [...]
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware2 Comments
26 April 2011
During the TSHOOT course of my studies. I got to know one of features that the Cisco added to the operating system 12.0 after it was one of the things hidden in the command prompt in version 11.0 this command is
Posted in Cisco, Juniper, Microsoft, Net Security, VOIP, VOIP Hardware2 Comments
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