Hi, my CUCM,Connection and MGCP GW are at lan environment, don't have any PSTN/PRI connections at GW. Phones are getting registered with SRST router when shutting down CUCM switchport, but don't getting voicemail access while pressing message button. Have issued 'voicemail xxxx' at 'call-manager-fallback' section, any idea?
The configuration is here:
max-conferences 8 gain -6
limit-dn 7940 1
limit-dn CIPC 1
ip source-address 10.234.155.40 port 2000
max-dn 6 dual-line preference 1
call-forward pattern 4...
I have also tried with the following commands:
pattern direct * CGN
But getting unknown number tone while pressing the phone message button. Any idea?