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/Q8: Background: SINA connects with E1 gateway. No dial tone with incoming calls.

Q8: Background: SINA connects with E1 gateway. No dial tone with incoming calls.

Oct 11, 2023

Check the IP rules in the IP group of the E1 gateway to see whether the ringback tone setting is adaptive. If not, change it to adaptive.
Turn the VoLTE off on phones.
Take a packet capture.

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