| 摘要 |
<p>The present invention relates to a calling device (12) for packet switched telephony. According to the invention the calling device (12) is arranged to send a call address to an address selector (16) in a residential gateway (11), said residential gateway (11) being arranged to work as an interface between a circuit switched network and a packet switched network. The present invention further relates to a residential gateway (11) for telephony, arranged to work as an interface between a circuit switched network and a packet switched network. According to the invention the residential gateway (11) includes an address selector (16) arranged to select between receiving a call address from a terminal (10) in the circuit switched network or from a calling device (12).</p> |
