Ahead of a high-level meeting in the IAEA hometown of Vienna, a senior official says Western powers have finally realized they cannot have the final say on Tehran's nuclear issue.

"Western powers have finally understood that they cannot continue to talk down to Iran," said Tehran's interim Friday prayer leader, Ayatollah Ahmad Jannati.

"[They have finally realized that] Iran's say [on global and regional issues] should be heard and taken into account," he added.

Ayatollah Jannati, who is also the secretary of Iran's Guardian Council, said the recent meeting in Geneva, in which Iranian nuclear negotiator Saeed Jalili held wide-ranging talks with P5+1 representatives, was a "huge success" for the country.

"US representative William Burns sent a message to Jalili as much as three times, requiring a private meeting with him. But Jalili turned down the offer on all occasions, noting that all matters should be discussed within the meeting," Jannati said.

"Once the meeting was over, the US representative came and sat himself by Jalili, who listened graciously and attentively to what he had to say," he continued.

"Burns started his argument by questioning the nature of Iran's enrichment activity, in which case, he was assured by Jalili that there is no need for concern over the issue," the Interim Friday prayers leader told worshippers.

"Then, Burns accused Iran of human rights violations. In response, Mr. Jalili said that Mr. Burns had better note down Washington's own policy of torture, as recently admitted by US President Barack Obama," he added.

"With that being said, the US representatives was left speechless. He kept his head and said no more," described Jannati.

The Guardian Council secretary was referring to the six-party talks which was held within the framework of Iran's last package of proposals on October 1.

The remarks come only days before representatives from the United Nations, the United States, Russia and France gather in Vienna for talks with Iranian diplomats.

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