It doesn't matter if it's supported, they are all, however I have seen
some echo problems after firmware upgrades, the only way to fix it was
to either copy the differences or overwrite my old config files with
the new ones that came with the firmware and then modify as needed for
my setup.<br><br><div><span class="gmail_quote">On 6/10/07, <b class="gmail_sendername">Deepak Naidu</b> <<a href="mailto:deepak_nai@yahoo.com">deepak_nai@yahoo.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>The sip config & firmware are the supported one for the
existing firmware. If you have any stable working Polycom 501 SIP
without echo between SIP-->SIP & wouldnt mind to share
the sip.cfg, sip.ld & bootrom would be great, bcos I have not got
concreate resolution for this issue.</div> <div> </div> <div>Hope
I can resolve this mess. Feels bad when one does best in
aggregating things & some louzy device screws up... Oh my
frustation is comming on mail :<img src="http://us.i1.yimg.com/us.yimg.com/i/mesg/tsmileys2/03.gif"></div> <div> </div> <div> </div> <div>--</div> <div>Deepak<span class="q"><br><br><b><i>C F <<a href="mailto:shmaltz@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
shmaltz@gmail.com</a>></i></b> wrote:</span></div> <blockquote style="border-left: 2px solid rgb(16, 16, 255); padding-left: 5px; margin-left: 5px;"><span class="q">Are the config files you are using with the phones what was meant with
<br>that firmware? or did you upgrade the firmware and reused the old<br>config files?<br><br></span><span class="q">On
6/9/07, Steve Underwood wrote:<br>> Stephen Davies wrote:<br></span><div><span class="e" id="q_1131403358693ff4_5">> > On 09/06/07, Deepak Naidu wrote:<br>> >> Ya, I have done that, below is zapata.conf
. Also we had an TMP card<br>> >> with<br>> >> analog lines. & SIP cals were great on them. & now when we switched<br>> >> over.<br>> >> SIP calls have echo.. which shouldnt be at all.
<br>> ><br>> > If you are getting echo on pure SIP to SIP calls, there's no point in<br>> > fiddling around with your zapta.conf. That file is for configuring<br>> > chan_zap, which is used to talk to Zap/ channels. Your calls are SIP
<br>> > to SIP so the zap channel and your PRI aren't being used at all.<br>> ><br>> > SIP calls are "pure digital" 4 wire lines so no electrical (Hybrid)<br>> > echo will be present. The phones should not generate echo. If they
<br>> > are, they are presumably
nasty phones (what kind are they?) and you<br>> > should get properly made phones.<br>> By this measure most phones are nasty. The handset should be echo<br>> cancelled, to prevent leakage of the earpiece into the mike. It is
<br>> getting less and less common to do this, now. Polycoms, Sipuras, Snoms,<br>> you name it, they do it badly. Many are not too annoying until someone<br>> turns the volume up. Call someone a little hard of hearing and you will
<br>> hear echo.<br>><br>> Steve<br>><br>><br>> _______________________________________________<br>> --Bandwidth and Colocation provided by <a href="http://Easynews.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
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