Phone to Phone
It is a type of communication between two ordinary phones, which are connected and voice transmits over telecommunication network.
Digium Wildcard TE407P card has a built-in hardware echo cancellation, based on a powerful digital signal processor. Board supports E1, T1 and J1 interfaces, which can be configured for each interface or the entire board as a whole.
Telphone
TelPhone is a subsidiary of successful privately owned business ranging from retail ($2 shops), importing and wholesale distribution, IT support and business webhosting services with annual revenue of more than 20 million Australian dollars.
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