Synonyms for crosstalk
the presence of an unwanted signal via an accidental coupling
Synonyms: disturbance, interference, noise.
When it comes to Communication terms, Crosstalk happens when signal from one channel effects another channel thus making disturbances.
In telecommunication or telephony, crosstalk is often distinguishable as pieces of speech or in-band signaling tones leaking from other people's connections
Nowadays mobile networks are showing increasing amount of cross-talks. Hope you too agree!!