SPA112 v. SPA2102 - echo and LAN limitation (and receiving faxes)
Based on reading other posts about the SPA2102, it had two (three) siginficant drawbacks - echo and its networking implementation (LAN side?) only allowed a maximum throughout of about 7.5 Mbps (even though it's a 10/100 Mbps router), and maybe receiving faxes (non-T.38).
It seems that the SPA112 is relatively new but perhaps some the folks here can comment on whether those two (or three) items seem to work satisfactorily out of the box.
[As for the echo on my SPA2102, I was able to configure it "away" to a degree by using the FXS Port Gain values - the side effect being reduced volume for the person with whom I was talking on the other side (the non-VoIP side).]
Article ID:1966 Network Address Translation (NAT) Settings for Lines on
PAP2T and SPA3102 Phone Adapters Objective The objective of this
document is to configure Network Address Translation (NAT) settings for
the lines of communication on the PAP2T and SP...
Article ID:2742 Speed Dial Settings on SPA100 Series Objective Speed
Dial Buttons are often used to make the process of calling regularly
used contacts quicker and with one button. This option is used in place
of dialing the entire phone number in. This h...
Article ID:2676 Firmware Upgrade on SPA112 and SPA122 Objective To
upgrade the firmware a specific file must be downloaded from the
Internet and uploaded to the device. Upgrading your devices can be very
useful. Firmware upgrades can fix software bugs, im...