The networking giant reports Tuesday after the market closes. Expected to bring in sales of around $6.16 billion in revenues and 22 cents a share in earnings. Notable things to watch in their conference call – Juniper’s recent acquisitions and their potential impact in the enterprise market; Huawei’s win’s (along with Cisco’s) in the BT 21st Century NGN and its potential impact on global networking equipment pricing; and the overall health of the enterprise IT market, especially the IP PBX market, given multiple weak C1Q reports out of many of Cisco’s competitors in the space.