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Category Archives: Gateways

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How to make Windows and Cisco Router as NTP Server

Today i am writing an article on how do you make Windows machine as NTP Server or Cisco Router as NTP Server. Many newcomers to Cisco VoIP asks this question specially when they try to install Cisco Unified Communications Manager. There are couple of ways

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Cisco ISDN Switch Type IOS Commands Voice Gateway

Cisco ISDN Switch Type IOS Commands Voice Gateway For any ISDN Line to establish a Layer 1 connectivity, the switch type has to be defined and switch type is country specific. Sometimes when you taken an ISDN Connection from your service provider, they might not be

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Top and Most useful Cisco Voice IOS Commands

Top and Most useful Cisco Voice IOS Commands If you are working as a Voice Engineer or planning to learn Voice or may have an interview, the below list of commands are the ones which are most commonly used by Voice Engineers. These commands are

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Re-enable debugs on router reload – EEM Script

Re-Enable Debugs on Router Reload using EEM Script I was recently troubleshooting one issue and i ran some debugs on Cisco Voice Gateway and wrote the config by issuing the command “write memory”. Since the router received high call volume, the CPU spiked and the

Troubleshooting DTMF in MGCP and PRI

WHAT IS DTMF? DTMF (Dual Tone Multiple Frequency ) is used to send signals for button presses on telephones. The data is typically sent over voice channels and so in order to distinguish from a human voice, when you hit a button the phone generates