You are at another employee's desk helping them solve an issue they reported to the help desk where you work. A few moments after they have explained the issue and you begin troubleshooting your phone begins to ring. What should you do next?
Politely excuse yourself and answer the phone, telling the person you will call back later
Excuse yourself to handle the phone call and return to the employee's desk when finished
Check the caller ID and answer the phone if it is important
Silence the ringer and apologize for the interruption