chan_dongle, asterisk 16, Freepbx 15 (RasPBX)

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Anton O

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Jan 3, 2021, 9:19:14 AM1/3/21

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I installed chan_dongle in RasPBX (raspberrypi 3b, debian stretch, freepbx 15.0.17.1, asterisk 16.15.0, Huawei e1550 with firmware 11.608.12.00.143).

Inbound calls work perfectly, but when I call from SIP to GSM the GSM-party doesn’t hear the opposite side for about 10-12 seconds. In the logs I see nothing special except something like NOTICE: translate.c:597 ast_translate: 492 lost frame(s) 493/0 (slin@8000)->(gsm@8000).

No matter what codec I use.

I would really appreciate it if anybody could explain what does this mean and how to solve it?

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