It is recommended to combine the two, that is, first send a text message to ask the other party is not convenient to answer the phone, if the other party agrees, and then call to consult, so it seems to be more sincere, but not abrupt.

Basic telephone etiquette

1, the choice of call time

(1) for business calls, do not choose the time after work, privacy calls, try not to take up the other side of the office hours.

(2) If there are no special circumstances, do not call each other on holidays, meal times and rest time. Being woken up by a phone call in the middle of the night or early in the morning can easily cause the other party's resentment.

(3) When making an international call, first consider the time difference of the other country.　　　

2, the length of the call

(1) under normal circumstances, a phone call is best not more than three minutes, which is known internationally as the "three-minute principle of phone calls." Callers are required to have a strong sense of time, to grasp the subject, concise, in a very short period of time to express their meaning, do not occupy the phone for a long time, affecting the normal communication.

(2) If the conversation is more content, you should first ask each other whether there is time, convenient and inconvenient to carry on the conversation with you for a long time, if the other party does not have time, you can make another appointment.