Omotayo, Amy you are right about " dtmf-relay sip-notify" but I think he also has something ls which doesn't match.
The best practice is that always you need to check your configs at both ends in this case CME and CUE . So could you post the relevant MWI configs from CUE too ? Without knowing your relevant MWI config from CUE , I think that the DN (incoming called-number) for MWI in CUE doesn't match the CME MWI. Take a look at my sample bellow from a real world project about 2 weeks ago on CME/CUE: CME: ........ dial-peer voice 1001 voip description MWI Inbound Dial-peer destination-pattern ^100[12]$ session protocol sipv2 session target ipv4:172.16.64.20 incoming called-number 100[12] dtmf-relay sip-notify codec g711ulaw no vad CUE: ccn trigger sip phonenumber 1000 application "voicemail" enabled maxsessions 8 end trigger ...... voicemail broadcast mwi voicemail callerid voicemail default mailboxsize 10600 voicemail broadcast recording time 300 voicemail default messagesize 280 Summary , in this case "incoming called-number 100[12]" match CUE VM Extn 1000. hth
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