Where the cost is:<\/strong> in usage. The plan is free, the calls aren’t, and per-minute rates on free plans tend to sit above market. If you make a hundred calls a month to mobiles, do the math first: it often ends up costing more than a paid plan with a flat rate.<\/p>\n Between fourteen and thirty days with everything unlocked. It’s not a free PBX, it’s a demo with an expiry date, and that’s fine.<\/p>\n How to really make the most of it:<\/strong> most companies use it to “see what it’s like” and waste it. Use it to answer three specific questions:<\/p>\n If the trial doesn’t answer those three, it hasn’t been of any use to you.<\/p>\n Asterisk, FreePBX, Issabel. Mature, powerful software with no license fee. It’s what’s underneath a good portion of the commercial PBXs on the market, including some that charge you a monthly fee.<\/p>\n Who it works for:<\/strong> companies with technical know-how in-house. If you have someone who administers servers, it’s a serious option and not a patch job.<\/p>\n Where the cost is, and it’s the most underestimated:<\/strong><\/p>\n The conclusion isn’t “don’t do it.” It’s that open-source software shifts the cost from money to knowledge and responsibility. If you have the former, it works out very well. If not, it works out expensive in a way you won’t see coming.<\/p>\n WhatsApp groups, a company mobile that gets passed around, forwarding rules set up by hand on the handset. Zero cost, and it’s where most Spanish SMEs are.<\/p>\n Where the cost is:<\/strong> in the calls you don’t answer and the ones nobody logs. If you’ve never measured how many get dropped, the number will surprise you. It’s exactly the problem we describe in calls lost during peak hours<\/a> and in having no control over your team’s calls<\/a>.<\/p>\n \n Stop comparing zero euros against a monthly fee and compare against what you’re losing. If you’re dropping three calls a day, that’s around sixty a month. If one in ten was a potential customer, that’s six opportunities. Multiply that by your average ticket.<\/p>\n That figure is the one that decides it, and almost no company has it because its current system doesn’t provide it. That data, in itself, is part of what you’re buying when you pay. To see it, you first need to measure your calls<\/a>.<\/p>\n If the result of the math is that it does pay off, the next question is what the plan you sign up for should include: we break that down in what’s included and what isn’t in virtual PBX pricing<\/a>.<\/p>\nOption 2: the free trial<\/h2>\n
\n
Option 3: build it yourself with open-source software<\/h2>\n
\n
Option 4: what you already have on your mobile<\/h2>\n
How to decide in five minutes<\/h2>\n<\/p>\n
\n\n
\n \nIf your situation is\u2026<\/th>\n The sensible option is\u2026<\/th>\n<\/tr>\n<\/thead>\n \n 1-2 people, you just want a number and call forwarding<\/td>\n Commercial free plan<\/td>\n<\/tr>\n \n You have technical skills and time<\/td>\n Self-managed open-source software<\/td>\n<\/tr>\n \n You want to compare before signing<\/td>\n Free trial, with the three questions above<\/td>\n<\/tr>\n \n 3 or more people handling calls<\/td>\n Paid plan: the cost of losing calls already exceeds the fee<\/td>\n<\/tr>\n \n You sell over the phone<\/td>\n Paid plan with statistics. Without data you’re flying blind<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n The number that makes this decision easy<\/h2>\n
![\"Free](\"https:\/\/glofera.com\/wp-content\/uploads\/2026\/02\/demostracion-gratuita-centralita-virtual-para-empresas.jpg\" "\\"free-demo-of-a-virtual-PBX-for-businesses\\"")
<\/span><\/div><\/div><\/div>