Categoría: VOIP
Symptoms of the Issue: While setting up an SBC in my lab today I came across an error that I’ve encountered a few times in the past. The error message is “no Redundancy Protocol Process Running” which appears when running a “show health” command. Command : Show health What’s frustrating about this error is that the redundancy config […]
MásI’ve come across many scenarios where people assume that VOIP calls consume 64kbps per call. They instantly assume that because the payload of a codec such as G.711u is 64k. While the payload IS 64k for a G.711u call there are other factors in play. If you want to properly calculate the VOIP bandwidth of […]
MásAnyone that has worked in telecom long enough has been hit by a SIP scanner at some point in time. For people in NOC / Support teams, they often have a customer open a ticket where the call goes like this: Caller : “My phone is randomly ringing and will not stop.” Tech Support : […]
MásWho loves troubleshooting media issues? Not me. While some issues require a full packet capture, you can find out a number of things from a simple command. Like when you realize put a steering-pool in the wrong vlan… I find myself using ‘show nat by-addr ‘ frequently. You do need to know the IP from […]
MásI recently came across a scenario that required load balancing to an upstream SBC. This is easily accomplished by building a Session-Agent Group and setting the appropriate strategy, however I wanted to try a different path. I found that load balancing on the Acme Packet Net-Net series with SRV records is easy, if you follow […]
MásIt’s been a while since my last update. Having another kid definitely limits the time to create a post, however she is sleeping right now. I’m sitting here with a Red Bull in one hand and a Secure CRT window open and ready to go. Occasionally in the carrier world, your network might be blasted […]
MásI like to have Palladion execute scripts overnight and email the results in a CSV. The issue that I faced was that scripts require you to enter a start and end time. Logging in at 10pm to execute a post dial delay script was not an efficient use of my personal time. I built the […]
MásI hate waiting for Wireshark to load a 20+meg capture file to review RTP streams. Once it loads you browse to “Telephony > RTP > Show All Streams”. Then you wait for it analyze the RTP streams….. If you have a fair amount of memory it might not be too horrible of a wait, but it can […]
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