[Asterisk-Users] multiple lines with SIP like MGCP?

[Rich Adamson]

> We have a Dlink DVG-1120M and were surprised that it was able to handle 2
> simultaneous conversations to 2 seperate phones using only 1 MAC address and
> 1 IP address.
> 
> So we asked ourselves..why can't other 1 MAC/1IP devices do this as well?
> 
> I have a Grandstream 486 that has 1IP and 1MAC. But I don't see anywhere in
> sip.conf to add a second line to a device. Is this possible? Can this only
> be done with an MGCP device?

I don't have a Granstream, but the Cisco and Snom does that. There are
no standards that dictate an IP per line.