TCH lost radio connections

[guess.who]

can come indicate the difference btw

TCH lost radio connections (connection failure)
AND
TCH lost radio connections (error indication)


plz also if some one can share of which one indicates hardware faults ets...
Thanks in advance...
BR
GW

[RF engineer]

can come indicate the difference btw

TCH lost radio connections (connection failure)
AND
TCH lost radio connections (error indication)


plz also if some one can share of which one indicates hardware faults ets...
Thanks in advance...
BR
GW

For connection failure there may you have lack of radio resource( hardware,congestion) problem and for Error indication it mean there are problem on the layer2 ( data layer T200+N200 time out) there may be coverage problem,interference on the link.
BR
RF