中翻譯英~15分~急

繁中：
請確認當你們安裝了新電話系統在新寫字樓(沙田)後, 我們能夠把客人的電話轉回舊寫字樓接聽(屯門).

ENG:
Make sure that when you install a new telephone system in the new office (Sha Tin), we can put the guests back to the old office to answer the phone (Tuen Mun).

HOPE I CAN HELP YOU ^_^

My thought exactly but too lazy to write anything earlier.
I love it when they want to ask the clients to answer phone calls.
I am interested to see who will win the vote.
Can people spot the passable answer(s)?

Make sure when you install the new telephone system in the new office building (Sha Tin), we are able to answer guest's back to the old office buildings (Tuen Mun).

Please confirm that when you install a new telephone system in the new office (Sha Tin), we can put the guests back to the old office to answer the phone (Tuen Mun).

中文
請確認當你們安裝了新電話系統在新寫字樓(沙田)後, 我們能夠把客人的電話轉回舊寫字樓接聽(屯門).
翻譯為英文
Make sure that when you install a new telephone system in the new office (Sha Tin), we can put the guests back to the old office to answer the phone (Tuen Mun).

Please confirm that after the installation of new telephone system in new office
(Sha Tin) we are available to put back and answer the phone calls by the client in the old office (Tuen Mun).

Please confirm when you and they fitted with the new telephone system in the new write field House (Sha Tin) later, we are able to get the phone turned back to old write field house to hear (Tuen Mun).

When you install the telephone system in the new (Sha Tin) office, please make sure that calls to the new office can be answered from the old (Tuen Mun) office.

中翻譯英
請確認當你們安裝了新電話系統在新寫字樓(沙田)後, 我們能夠把客人的電話轉回舊寫字樓接聽(屯門)
Make sure that when you install a new telephone system in the new office (Sha Tin), we can put the guests back to the old office to answer the phone (Tuen Mun)

After installing the telephone system in ShaTin office, please make sure that we can forwards all calls to TuenMun office.