07-06-2018 07:08 AM - edited 03-17-2019 01:09 PM
Hi
when the call is going to the PSTN , I can listen hissing sound .
But if it is internl calls no issues .
Not experiencing the problem with all the phone
Thanks
07-06-2018 08:33 AM
07-06-2018 10:43 AM
Hi,
ISR4321/K9
version 15.5
PRI
Thanks
07-06-2018 04:52 PM
Hi,
Any options to solve the hiss ?
Thanks
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