whistle noise on digital phone on speaker

pankrawat · Post by **pankrawat** » 20 Mar 2015 02:47

Hello all
I am facing a weird problem
on calling external number from digital phone with using speaker mode whistle noise is generating
we r using analog trunk line. Before termination on APA card a spliter is used for dsl modem.

please help me on this.

Split · Post by **Split** » 20 Mar 2015 03:11

What kind of digital phone?

pankrawat · Post by **pankrawat** » 20 Mar 2015 09:10

Split · Post by **Split** » 20 Mar 2015 15:13

Ok then i am out we have trouble with 8028 8038 if we use power supply instead poe there are terrible hum in the handset , handsfree no problems at over 250 ipphones 4028 4038 works without any problem

tgn · Post by **tgn** » 20 Mar 2015 16:06

we had the same problem like split described with 8038.. after we change the handsets with some of an older delivery the problem is gone.. so i'll assume the problem is the microphone in handset.

regards...

Split · Post by **Split** » 21 Mar 2015 08:19

Hi tgn good to hear this we change it with headsets from 4038 an its ok but 1000 pieces so we open a eSR about 6 months the answer from ALU they cant find anything an we are the only one with such a problem it must on customer side but i can reproduce it in lab and last week ALU says they are able to reproduce this and work on a solution .........after 6 months an no solution until today

Post by **cavagnaro** » 21 Mar 2015 08:51

Blame Chinese manufacturing

Alcatel Unleashed