Sorry to forget to mention : I installed 'efax' but it seems that it is for fax over a modem. ---------- Forwarded message ---------- From: hadi motamedi <motamedi24 at gmail.com> Date: Mon, 12 Sep 2011 12:48:11 +0430 Subject: fax over ip? To: CentOS mailing list <centos at centos.org> Dear All I have upgraded to centos 6.0 and I installed ekiga as my sip phone client for centos. What application can I install as fax over ip client for centos 6.0? Thank you