I have been playing with a Grandstream 502 on my Asterisk system just for grins. I have it running the latest .63 (I think) firmware from their site. I noticed the network light blinking a lot on it but thought nothing of it. My web surfing was painfully slow tonight, so I started running speed tests and was seeing only 1.5 megabit where I should be getting 10. I unplugged the 502 from my network, and immediately my speed went back up to the 10 meg I usually see.

I am running a Linksys router with DD-WRT latest version on it. I was not using the 502 as a router or firewall at all. It only had 1 network port plugged in to only serve as an ATA.

My Linksys ATA and Cisco ATA 186 work great. I'm not impressed with this Grandstream stuff.

Scott