Mike Meyer wrote:
The problem we are having is that every now and then, say 4 times over
a 20 minute call, interference occurs in the ear of the SIP phone user.
The other side (PSTN caller) of the conversation may hear a few short
(half second) breaks in the conversation. The characteristics of the
interference in the SIP phone user is some in-band MF tones which may
start out faint and get louder which are broken up them selves to make a
cracking noise. There may be some momentary echo of my voice when this
happens also. This may last for about 3 seconds and then the
conversation is clear.
We don't get this when using Analog phones on an FXS port nor for SIP
to SIP conversations.
Exact same issues here, haven't solved yet, but am slowly working on it.
Thanks,
Chris
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