Communication failure

Intercom Failure with Tower, Obtain Further Clearance on Your Own

4 turns, word for word from the oral. Read the pilot lines out loud.

The exchange

4 turns in order
01
You, the pilot

Mangalore Control VT ROH, Calicut has negative contact with you, departed Calicut 0640 for Belgaum, climbing overhead to FL 090, est MML 0730, request clearance

02
ATC

Negative traffic with Mangalore, check for any following traffic, Mangalore Control

03
You, the pilot

Checking, over to TVM Control VT ROH

04
You, the pilot

TVM Control VT ROH, Calicut has negative contact with you, departed Calicut 0640 for Belgaum, climbing overhead to FL 090, est MML 0730, in contact with Mangalore, confirm any following traffic