tel.
noun
(alsotel. no.)written abbreviationfortelephonenumber
电话号码（telephone number 的缩写）Communications - by telephone
- 3G
- 4G
- 5G
- aeroplane mode
- airplane mode
- area code
- autodial
- dialling tone
- Directory Enquiries
- helpline
- off the hookidiom
- phone mast
- pick
- picksomeone/somethingup
- pocket dial
- prank caller
- ring
- roam
- telecoms
- telephone