- October 8, 2018 at 8:30 pm
Can your phone login to voice mail internally with *97 at this point does it prompt for a password ?
If it says comedian mail the phone is not registered correctly.
If it can’t hear the password dtmf digits make sure the phone is set to rfc2833
Also in your Settings/TechnologySettings/SipSettings/Network make sure you have your local network defined
If the phones are at a different site or on vps make sure you have the extensions set to NAT force Comedia
We have many many yealink grandstream and some cisco with no issue0