15 Jul 2011. The half life of Metoprolol is between 3 and 7 hours. This is the time it takes for the drug levels in your plasma to reduce by half. For a drug to be totally eliminated from your system it takes around 5.5 times the half life. As an estimate then, after taking a dose of Metoprolol it should be out of your system within 16.5 to 38.5 hours.
The Quick and Easy VOIP System Cost Calculator. Relatively speaking, a VOIP system will cost between $500 and $1,000 per phone when all of the components and pieces are factored in. It is a very basic rule of thumb, and you can very well fall below that mark, or above it, depending on the complexities and size of your VOIP phone system. My Last Tid-Bit of Advice.
So you're looking at upwards of $50 just for landline service from the traditional Ma Bell duopoly. VoIP services cut that monthly bill significantly. A Vonage line will run you $9.99 the first year and $26.95 thereafter. A newer player, PhonePower, will get you unlimited U.S. and Canada service for $14.95 per month with a 2-year commitment. And you can get unlimited U.S. and Canada calling with Skype, plus an inbound phone number for just $7.95 per month.