I hope your lunch time is only one hour same with us. Currently, we get complaint from vendor about your shared service number that it is not available all the time and difficult to contact. If you don't have time to pick up the phone because of your workload, please inform your boss to find out somebody to help you. We could not help to face situation anymore. Not only our vendor but our team also.
Phim in reading,
Please ensure to look out for any missed calls and return these calls if you were to stepped out from your place.
Alternatively, you may coordinate with Kerieam to attend the call should you are on half day or on leave.