Hi, kindly solve my issue.

Below Format perfectly dials in lync when copy and paste in lync dial.

trying to make hyperlink to Dial numbers from Excel sheet to lync

I have Column A with numbers and I have written B correspondingly like below to create hyperlink to number to dial.
=HYPERLINK(CONCATENATE("Callto:",A2),A2) and B column is with hyperlinks but its not working when clicking to dial.

showing error message on lync dial as " The specified address is not recognized or does not exist, Please verify the address
and try again"

kindly advise solution..

A B
MOB Call
+971526840161 +971526840161
+971563643227 +971563643227
+971505109203 +971505109203
+971503149623 +971503149623