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TPG NBN over HFC. Supplied Huawei router has 2 phone sockets. Does that mean you can make/receive 2 calls at same time?
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For the NBN HFC modem that we provide, only 1 phone port will work. Which means that only 1 home phone can be connected to make and receive calls.
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I seem to remember testing both ports and to notice dial tone on both of them.
I assumed that this is like having two phone sockets on a Telstra telephone line - thus only one call at a time.