Is it possible to get MWI on/off working when WAN is diconnected and phones are in srst mode. under call-manager-fallback I see there are some options. Not sure how you use ip address of unity connection when WAN is down. BR1(config-cm-fallback)#mwi ? expires set expires timer prefix set mailbox prefix string to match prefix+extension number reg-e164 Subscribe full E.164 number to voicemail relay enable mwi-relay sip-server Define IP address and port for MWI Server Please advice Thanks Shrini
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