call come together. and it did. and it was a constructive discussion. >> how long was the call? >> about 15 minutes. of course with translation. so it was a brief call. but sufficient to convey the messages from both sides. >> was it friendly or business-like in. >> i would say cordial and constructive. obviously when you have two leaders from two countries that have not communicated at that level for almost 35 years, it is something of a ground event. but they both conveyed their commitment to trying to explore in a constructive manner the diplomatic path. we've made very clear and the president has long reiterated including this week at the general assembly that the united states will not tolerate iran with a nack weapon. but our strong preference is that this problem be resolved through diplomatic means.