How to register DX80 (external network) with CUCM

[nguyenngoctuyen]

Hi all,

i have a proplem with DX80, when i config dx80 with external ip address and DX 80 Message alert : "Phone features unavailble", but when DX80 in Internal network then no proplem.

- DX80 ver: 10-2-4-46.

-  CUCM 10.5

- EXPRESSWAY C/E: 8.6

Please help me!

[Ahmed Abd El-Baky]

Hi 

Please check the MRA through Expressway section in the DX 80 Admin Guide 

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/dx/series/admin/1025/DX00_BK_CB112361_00_cisco-dx-series-ag-1025/DX00_BK_CB112361_00_cisco-dx-series-ag-1025_chapter_0101.html#DX00_RF_CA8F3827_00