[Asterisk-Users] Polycom 501 horrible echo

[Ron Senykoff]

> > I'm running 1.6.2.0041 according to my phone.
> >
> > Which firmware "worked" for you?
>
> It was the old firmware from when we first got the phones actually.
> 1.4.x I think. Then I read that they fixed the CID issue and decided
> we needed an upgrade. I tried it out on my phone, but didn't really
> notice the problem until we had upgraded the rest. Oh well...
>

Also, these are IP 500 SIP.