In the process of getting bored and waiting for wireless equipment I decided to set up the newest release of CUCM and CUC. At the time that I am writing this (28-12-2010) the newest version is 8.5(1). For my CCIE wireless Lab enviroment I will need a callmanager in order to register the (wireless) phones. [...]
Hi blog readers, As some of you already know I was busy with achieving my CCIE Voice. Well I can tell you that I reached my goal. On the 24th of January 2008 my journey started when I passed the CCIE Voice Written Exam. I can remember the exact day … and the localtion was [...]
There are 2 new Blog posts available that I did in service for IPExpert. Enjoy reading it on: CCIE Voice Basics by Iwan Hoogendoorn and Voice Codecs Required for CCIE Voice by Iwan Hoogendoorn
In my last post I told you about the CCIE Voice 3.0 lab that I am building. Well as I will keep refering to this diagram–> ccie-voice-vmware-gns3-diagram-1.0 just make a print of this and keep this as a hardcopy. Today I will be showing you my configuration for all of the sites that are in the [...]
This is my first step in preparation of the CCIE Voice 3.0 Lab Exam. I’ve created a diagram for the lab that I am building based on Vmware and Dynamips/GNS3. This setup is based on the tutorial of the various blog posts that the guys behind BLINDHOG has been writing. I will write more in [...]
I just bumped into a cool QOS simulation movie on the cisco website. I’s a cool illustration of how QOS is working on a QOS enabled interface. See for yourself!!! Cisco QOS Simulation
After my twitter post this morning on Cisco Phone migrations a few people asked me to write a blog post on this… When you do the CCIE voice lab you need to work with SCCP and SIP endpoints. The best and fastest option is to just let all your phones register with SCCP by default. [...]
This blog article is based on the blog article that was written by FryGuy. This article will explain what is happening on the low level when a Facetime call is made between 2 x iPhone 4 devices. FryGuy tested facetime and enabled packet capturing in his ASA to see what is actually happening on the [...]
I’ve come to the bluprint topic regarding MGCP… This is how MGCP basically works. A Media Gateway (MG) contains “simple” endpoints, This endpoints can be: – analog voice-ports (FXS/FXO) – digital (T1-PRI/T1-CAS) voice trunks The call Intelligence of these endpoints are provided by 1of the following: – a Media Gateway Controller (MGC) – Call Agent [...]
This is a small explanation about Interdigit Timeout. Interdigit timeout is called T302 within CUCM. To change the interdigit timeout value go to System => Service Parameters Select the CUCM server and the “Cisco CallManager” Service. Once there do search with “CTRL-F” to open up the find window in your browser. Then search for “302″ [...]
Hi, Today I managed to get CME working on a GNS3/Dynamips router. The steps that I followed: – Create a new GNS3 Project – Get the IOS version “c3725-adventerprisek9_ivs-mz.124-15.T6.bin” – Get the CME files “cme-full-4.3.0.0.tar” – Create a new 3700 router – Edit the properties and change the PCMCI disk0 space to 99MB – Create [...]
