They do record and store (foreign and domestic) phone calls. Your comment proves you're simply an ignorant or a shill.

Proof:

* NSA Collects ‘Word for Word’ Every Domestic Communication, Says Former Analyst http://www.pbs.org/newshour/bb/government_programs-july-dec1...

* NSA collecting phone records of millions of Verizon customers daily http://www.theguardian.com/world/2013/jun/06/nsa-phone-recor...

* NSA surveillance program reaches ‘into the past’ to retrieve, replay phone calls http://www.washingtonpost.com/world/national-security/nsa-su...

* NSA spying flap extends to contents of U.S. phone calls http://www.cnet.com/news/nsa-spying-flap-extends-to-contents...