Related Clues:
- Mobile, perhaps
- What could be help once line's out of order?
- Eg, mobile
- Highly acidic call
- Ring (someone)
- Get in touch, in a way
- Bell's ringing success
- Mobile oneself, gets other half mentioned first
- Texting need
- Telemarketing must
- ... so highly acidic call ...
- Covert monitoring of electronic exchanges
- Call; eg, mobile
- Call (someone)
- App holder