The quality issues you describe may not be the fault of the individual
phones! The quality of the PSTN connection, and the hardware through
which it's connected can play as big a part in this scenario. The
quality of the internal network with 50 IP Phones could also be part of
the problem.
It sounds like cost is a leading factor in purchasing decisions, so if
the same factors applied to building wiring and network equipment, you
could have much bigger problems than just the quality of the individual
phone sets. Has there been a network study using tools such as Qcheck
to determine whether the LAN is capable of handling 50 IP phones?
What about the server on which Asterisk is running? Again, with cost
being a factor, is this server capable of supporting the load? Does it
have sufficient memory and capacity to run efficiently?
I would evaluate my infrastructure before I spent more money replacing
50 phones. I certainly wouldn't want to be in front of the boss's desk
trying to explain why we spent all this money on new phones and the
voice quality still sucks!
Good luck!
Zeeshan Zakaria wrote:
Hi all,
I have to buy some IP phones. Previously I have used Grandstream
GXP-2000, Budgetone 101 and Linksys SPA-841. I always had problems
with sound quality with all of them, and I was always of the opinion
that it were the phones which were not good. In GXP-2000 deployment of
about 50 phones, some work good, some have sound problems like words
missing, clicking sounds when talking, and some don't work at all
(probably defective).
What good phone are out there which will work perfectly and will not
be expensive. Should be $150 or maximum $200.
--
Zeeshan A Zakaria
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