keywords:pbx ip pbx voip gateway gsm gateway

× Questions about VS-GW2120/GW1600/GW1202 and WGW1002G GSM Series VoIP Gateway

Echo on calls

6 years 1 month ago #9124 by aleyer

Original posted by tim.june at 2013-10-8 04:07


Hi George & Aleksey,
It can be solved by adjust some parameters, pls contact me via skype below and prepare TeamViewer 7 (not version 8), i will show you how to fix it.

Thanks for the reply!
Looking forward to getting in touch with you in 4-5 hours. It should be about noon by you and morning here by me. I've sent the request in Skype already.
6 years 1 week ago #9190 by aleyer
Tim, thank you for your help!
I saw, you posted a guide how to solve the problem. I have a question. As you say, I should rise the ADC gain to make the volume higher on the mobile side. It becomes louder, I guess, but the echo on the SIP side becomes louder faster. By now the gains are -20/+3, the AT command is "AT+ECHO=0,128,253,6212,16392". Can I totally get rid of the echo when the ADC gain is +20, for example?
6 years 1 week ago #9192 by rick.zhu
Hi,

Tim was on vacation,this is Rick from OpenVox.


Please upgrade your gateway,the new firmware link be shown as below:

http://downloads.openvox.cn/pub/firmwares/GSM%20Gateway/wg400-current.img

If the ECHO issues still exist,please contact me directly.
My contact info be shown as below:

Skype: rick.zhu3
Gtalk: This email address is being protected from spambots. You need JavaScript enabled to view it.
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Best Regards.
6 years 1 week ago #9200 by aleyer
Thanks, Rick!
I updated the system to version 1.1.2, no apparent echo now.

i] Last edited by aleyer at 2013-11-1 22:49 [/i
4 months 3 days ago #13894 by oromero
I need help me, I have the same problem, could you say me what jim june did ?
4 months 3 days ago #13896 by Echo
Hi, sir

what device do you use?
you can add my skype:echo.yuan@openvox.cn for convenient contact.
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