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Category Archives: Gateways

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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

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Switching between MGCP and SIP

I have come across a situation where i have to create a sip trunk to External Contact center in the existing MGCP gateway.I have created basic SIP configurations and dial peers to CX. However when a make a incoming test call it isn’t hitting any

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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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Configure Mobile Voice Access

Have heard about MVA(Mobile Voice access). Yes, the talked about topic quite a while ago. I thought to cover this with you’ll. In nutshell, mobile users would first access the CUCM to place outbound calls.By accessing Call manager from their mobile device, the end user

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Inbound and Outbound calls not working in H323 Gateway

Inbound and Outbound calls not working in H323 Gateway I have come across a situation where am unable to make inbound/outbound calls. Here is the call flowPSTN—VG-H323—MPLS—CUCM This is debug of the actual failed incoming call *Aug 9 06:10:03.923: //357/CCB999A780A0/CCAPI/ccSetMediaclassIp2ipTags:media class tags set: NR 0,

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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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Track Media Resource (Transcoder) Utilization via RTMT

Track Media Resource (Transcoder) Utilization via RTMT There are times when the configured DSP resources on the Voice Gateways are not sufficient to serve the sessions (over utilized) or there might be chances that the DSP resources are under utilized. To track how many sessions