Group Paging
A group of users can be created with a purpose of receiving voice announcements through the speaker of a telephone set, but it has to be in the waiting mode.
SIP-addressing is logical, of the same type as URL in HTTP. And the most natural – to use the electronic mail as the SIP address. There are permissible varied parameters by the address: for example, it is possible to indicate the regular city telephone number, additional telephone, and the parameters of modem connection etc.
Telecomtrade
"Telecomtrade" trade system is dynamic developed company which offer complex of telecommunication services both for private individual and corporate clients.Constantly increasing demand influence on extension of voip market and as a result new sides of bu
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