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.
PBX Phone System Prices. The average cost for a PBX system is approximately $1,000 per user (employee) . Examples of actual prices paid for PBX business phone systems include: 1  A Gearhart, Oregon manufacturer paid $18,000 for a system with 20-29 extensions and CTI. 2  An IT consultant from Chicago paid $41,000 for a phone system with 50-69 extensions and CTI.