![]() ![]() The overall options and configurations that can be set up with CUCM are staggering. There's no single solution to the irksome issue of spam calls, but Cisco Call Manager is a powerful collaboration platform with plenty of options for blocking unwanted calls. There's no single way to kill spam callsĪs you have no doubt gathered by this point, the anti-spam crusade is, for the most part, a slow and manual process. This is obviously by no means a reasonable strategy for a traditionally structured company that relies on telephones to conduct their daily operations, but for youthful start-ups with limited capital, it might be the only option that makes financial sense. ![]() You read that right, just get rid of them! A recurring theme among millennials is their avoidance of verbal communication technologies. If you are getting a large proportion of spam calls coming through into your organization, this could be an option for you. ![]() How much business you are actually conducting through your PSTN? The UK is already shutting down their PSTN and IDNS in 2025, and the United States is soon to follow.įocus on the core function of your telephony system and create a barrier between you and the spammers. This may sound a little extreme but think about it. Take it offline, and don't let anything through that you don't know. More than half of calls in 2018 were spam calls. The sheer volume of the spam calls is shocking. Or watch CBT Nuggets trainer Chuck Keith explain how to use translation patterns properly. Read up as much as you can about translation rules. Use them sparingly and with plenty of caution if you don't want to accidentally block legitimate calls and slow down your system. But it's still a thing to consider, especially if you have a really big telephone footprint across the enterprise.ĭisclaimer #2: Take into consideration the fact that translation patterns are not an intelligently driven technology. HDD isn't as big a problem as it used to be. They're a little more complicated, but they're really effective for blocking groups of numbers.ĭisclaimer #1: Translation patterns come at a price - hard disk space. Translation patterns are another good way to block unwanted callers. Use translation patterns to block groups of numbers When a call comes in, CUCM has to sort through all the rules. But hey, at least it provides a little job security for collaboration engineers.ĭisclaimer #2: You also need to be careful with translation rules in general. ![]() Individually blocking every spammer is a Sisyphean challenge. It's your goal to make less work for yourself. Router(config-xxx)#rule 1 reject /#/ĭisclaimer #1: This solution is not fun to set up. Translation rules can block individual numbers, too. Use translation rules to block individual numbers You don't want to end up blocking customers or clients. Rule 2 reject // rule 2 reject /^/ rule 2 reject /$/"ĬUCM can take any of these commands to make your anonymous callers a thing of the past.Ī disclaimer: We'd recommend that you test this rule before executing it. Create a translation rule blocking CIDs that contain anything but a number. Spam calls tend to display non-numerically, which is easy to filter out. If you are like most people, seeing the "Private Number" or "Unknown" on your office phone's isn't the biggest deal. Luckily, we have some good solutions with the aid of CUCM (aka Cisco Call Manager) to help you cut through the waves of spam calls. But it's one person against legion, and one person can only do so much. They kill productivity, jam phone lines, and they're just plain annoying.Ĭollaboration admins are the front line in the fight against spammers. No one likes spam calls, especially at work. ![]()
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