Auerswald 461.2 User Manual

Appendix 

87 

No call number displayed 
when a call is received 

Network operator or PABX 
does not support the function 
or function is not authorised. 
The caller has suppressed his 
call number or has a secret 
number. 
The call comes from a public 
telephone. 
The called is made via a 
telephone network that does 
not support transferring call 
numbers. 

Check with network operator 
or PABX as to whether 
function is supported or needs 
to be authorised.