PS - I'm thinking that the phones are the source of the dialing
problem. They are all Aastra 9133i. I know on Grandstreams you can
switch between Inband and RFC for TT but Aastras seem to be different.
On my 9112i I noticed that "Force RFC2833 Out-of-Band DTMF" is enabled
by default.
Peter MacFarlane wrote:
Hi all:
Time to turn to the Pros it seems. I haven't posted in a while so I
was wondering if you could point me in the right direction for couple
of problems. This is a server that was installed after I was laid off
so I really had no input into its configuration. Things just moved
along with a new Dell server and Sangoma TDM card. At least they took
my advice on the echo cancellation. For the most part things are
working fine (Trixbox). I'm lacking on details right now but these are
the things that are happening:
1. You can be talking to one of the operators and all of a sudden
their voice distorts for a few seconds, kind of like listening to a
siteband signal on HAM radio or short wave. Its there, but the
frequency is shifted higher and its undiscernable. And then it clears
up. They don't hear this at all so its outgoing only.
2. They can't dial 800 numbers. The digits are never right I am
told. Is this a matter of playing with the RFC and Inband settings in
sip.conf?
Any input would be appreciated. Let me know if you need more
details. I wish I had more time to work on * servers. They are
sooooo cool. After that analog DID line conversion project I
completed, the server was abandoned because too many people were
mistaking the card generated ring tone for a fax machine and hanging
up before the call got into the queue. How's that for stupid? People
just can't handle change I guess. The ring from the old TASCOM PBX
was just as freaky.
Peter MacFarlane
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