CCIE Quest

Phone Proxy is a superset of TLS proxy where not only signaling but also media is secured for communication.It supports a Cisco UCM cluster in mixed mode or nonsecure mode.Configuration that i will show here will have UCM cluster in non-secure mode.TLS/SRTP will be terminated on ASA proxy server and TCP/RTP will be communicated between ASA and CUCM.You must have atleast ASA Code 8.0(4) although ASA 8.2 release is recommended as it supports MTA for each interface.Here,i will (more…)

In last 2 tutorials , I configured CUCME for basic sip trunk setup to a VOIP Internet Telephony Service Provider (ITSP) as well as configured advanced configuration for inbound and outbound dial-peer setup and call processing.In this tutorial, I will be setting up Cisco IP Communicator (CIPC) for making/receiving calls to/from SIP VOIP Service Provider.

Remember, you will need a (more…)

In previous tutorial GNS3:How to Setup CME SIP trunk to VOIP SIP Service Provider – Part 1, my focus was to register CUCME as a SIP User Agent Client(UAC) to a Internet Telephony Service Provider (ITSP). In this tutorial, I will show you the steps needed to setup CUCME for routing VOIP calls outbound as well as inbound call setup. This tutorial will also cover some of common mistakes and steps that cause VOIP calls to fail over the SIP trunk primarily the (more…)

Since Cisco has announced upcoming changes to CCIE Voice Lab Exam and Lab Exam Blueprint 3.0 has been published, Cisco Unified Communications Manager 7.0 has become focus of attention for many.

CUCM 7.x is not much different from 5.x and 6.x versions and can be installed natively in VMWare for lab purposes.Cisco has done a great deal in making CUCM 7.x installation totally hassle free.Its a (more…)

By default, Cisco IP communicator has an internal built-in web server .This can reveal important information like Directory Number, Model number, Device Network settings, Cisco Call Manager settings etc..which you might not want others to know about. Secondly , you might have configured your machine for Web Server (like in case of Microsoft IIS) and you might want to disable CIPC web server .

You will need to tweak (more…)