The final team for the tour, to be led by Inzamam-ul Haq, will be announced on March 10.
Shahid Afridi has recovered from his rib injury to be available for selection and Danish Kaneria also returns after being ignored for the ODI series against India last month.
Shoaib Akhtar, who is recovering after undergoing surgery in Australia, has been ignored for the camp.
Players: Inzamam-ul-Haq, Younis Khan, Salman Butt, Imran Farhat, Mohammad Yousuf, Shoaib Malik, Faisal Iqbal, Abdul Razzaq, Shahid Afridi, Kamran Akmal, Danish Kaneria, Mohammad Asif, Umar Gul, Rana Naved-ul-Hasan, Mohammad Sami, Iftikhar Anjum, Bazid Khan, Rafatullah Mohmand, Mohammad Irshad, Abdur Rahman, Tahir Khan, Sarfraz Ahmad, Arshad Khan, Asim Kamal.
Under-19 players: Anwer Ali, Akhtar Ayub, Jamshed Ahmed.