Hello, [image: Inline image 1] Devices look like this in, sofia status profile internalprofile reg Phone- B Call-ID: 44461523-5062-2@BJC.BGI.B.BGB User: 1519124@172.30.0.20 Contact: "" <sip:1519124@12.72.14.16:5062> Agent: Grandstream GXP1620 1.0.0.38 Status: Registered(UDP)(unknown) EXP(2016-12-27 13:21:50) EXPSECS(3344) Ping-Status: Reachable Ping-Time: 0.00 Host: ip-172-30-0-20 IP: 12.72.14.16 Port: 5062 Auth-User: 911519124 Auth-Realm: 54.14.15.64 MWI-Account: 1519124@172.30.0.20 Phone- A Call-ID: MTFmYWQyN2RmZDNmZTZiNzgzM2E5ZjVkOGIzMDI4NTQ. User: 911519124@172.30.0.20 Contact: "" <sip:911519124@12.72.14.16:51018 ;rinstance=ffa5b67a6c872492;transport=UDP> Agent: Z 3.3.25608 r25552 Status: Registered(UDP)(unknown) EXP(2016-12-27 13:27:00) EXPSECS(3654) Ping-Status: Reachable Ping-Time: 0.00 Host: ip-172-30-0-20 IP: 12.72.14.16 Port: 51018 Auth-User: 911519124 Auth-Realm: 54.14.15.64 MWI-Account: 911519124@172.30.0.20 Devices look like this in, show registrations Phone-B 1519124,172.30.0.20,44461523-5062-2@BJC.BGI.B.BGB,sofia/internalprofile/ sip:1519124@12.72.14.16:5062,1482844910,12.72.14.16,5062,udp,ip-172-30-0-20, Phone- A 911519124,172.30.0.20,MTFmYWQyN2RmZDNmZTZiNzgzM2E5ZjVkOGIzMDI4NTQ.,sofia/internalprofile/sip:911519124@12.72.14.16:51018 ;rinstance=ffa5b67a6c872492;transport=UDP,1482845220,12.72.14.16,51018,udp,ip-172-30-0-20, When device C drops voicemail to 911519124. The phone A (with sip user : 911519124) notify with MWI but phone B (with sip user : 1519124) not blinking (no MWI). Please let me know what am i missing here?