Voip.MS/Obi200 outbound calls stopped working after migration from Fido Internet to Rogers Internet

After I migrated from Fido Internet (CODA Hitron modem) to Rogers Ignite Internet 150 ( Technicolor Gen 3 CGM4981COM modem) Voip.MS/Obi200 outbound calls stopped working.

  • Internet, WhatsApp, Google Meet are OK
  • Inbound Voip.MS calls are OK

What may be a root cause of this issue?

Check and make sip alg is disable

Outbound calls started working today.
I still have no clue about why they were not working yesterday.