Hello all,We have one-way calling situation. Calls originating from PBX fail when destined to any other endpoint. To be more precise, when entering 0 (to get on the trunk) on the PBX phone there is an error message displayed 'Unallocated/unassigned n...

When leaving voicemail at the called party mailbox after CFNA, message is stored and can be played as usual. However, according what voicemail prompt said and to some traces I done, it appears like it was actually sent from the called party phone.Wh...