Outgoing voice echoed G400E

Hi,

I have downgraded the asterisk from 1.8.7.1 to 1.8.7.0 and same error but going further down to 1.8.6.0 removed the error.


But the original issue of echo (as described above) still remains even after upgrading.

Hi
I need to know which module are you using now.You can see the words that had been written on the module,such as GSM100,GSM101.If you have more than one module,you can try to exchange the module and slot to judge whether it's the module's problem or not.