Installed Yeastar S20 in Cyprus, the provider "Cablenet". Configured SIP trunk. 10 numbers.
There is a problem when calling to these numbers (all) from mobile, which are indicated for forwarding to internal numbers. It comes from the city, not giving a retreat, re-dial the number. When calling from the rest of the mobile there is no problem.
The firmware used was different. since the beginning of 2018. Firmware for today 30.10.0.34.
Where to look for a problem?
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Riddhe Marcenas Hi Vitaly, do you mean it failed to call to your sip trunk by some mobile number? but some other mobile number are working fine?
If so, you can post a pcap capture (by google cloud disk )here.
Refer this guide to get the pcap dump file.
https://support.yeastar.com/hc/en-us/articles/360007739473-How-to-Get-PCAP-Dump-Capture
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