Hi all. We have an issue with remote phones, there is no voice in both direction, but only for external calls. Internal calls from/to remote phones are working fine.
Here are the ports.
Forwarded to MFIM:
UDP: 5060-5061, 5588, 6254, 7000-7315, 6796, 6798, 6860, 8328.
Forwarded to VOIM:
TCP...