| In the developed countries, subscribers enjoy the | | | | make sure that subscribers cant toggle between |
| reasonable cellular rates and VOIP services. These | | | | these tariffs per call, by allowing a change to a |
| services include Skype and other SIP services | | | | different tariff only once a month. Some cellular |
| providers. In the developing countries voice calls | | | | subscribers have tried purchasing more than one |
| remain the best way to communicate. A | | | | SIM card and keep changing it according to the |
| reasonable person would assume that VOIP is | | | | best tariff plan during the time of call. This has |
| also the cheapest solution to the developing | | | | disadvantages of damaging the cell phone as the |
| countries. This is supposed to be the case but | | | | SIM CARD is taken in and out. The solution to this |
| unfortunately cellular Operators in these countries | | | | is a dual SIM cell phone. These cell phones also |
| continue closing the doors for VOIP technologies | | | | come with a benefit of TV, with some also |
| by increasing the call termination fees. VOIP | | | | supporting Digital TV in areas that have migrated |
| service providers operating in these countries find | | | | to DTV. Subscribers in the developing countries |
| it very expensive terminating calls in these | | | | can significantly reduce their monthly cell phone |
| countries such that it makes no business sense to | | | | bills by using this type of a phone. One SIM CARD |
| sell VOIP services for local callers. Most of the | | | | will be for calling during peak hours, another one |
| subscribers in these countries use cell phones with | | | | for off peak hours. These cell phones even go to |
| most of the calls terminating nationally. The best | | | | an extent of supporting three SIM cards. This can |
| solution should charge much less than cell phone | | | | help with subscribers that need two prepaid |
| providers for national calls.. | | | | networks and a contract network. |
| The cellular network operators provide tariff | | | | As cellular service providers keep punishing the |
| structures that are cheap for peak hour callers | | | | VOIP service providers, subscribers have to |
| and a tarrif structures cheaper for off peak hour | | | | definitely find the alternative saving means. In the |
| callers. The subscriber can only gamble between | | | | next article we will show you with calculations that |
| these two structures by choosing one based on | | | | some subscribers can reduce their bills by a |
| the predicted call times. Cellular service providers | | | | minimum of 45%. |