Words of Iqaamah:

The words of the iqaamah are the same as the words of azaan. However, after حَيَّ عَلَى الْفَلاَح (Hayya `alal-Falaah) one will say:

قَدْ قَامَتِ الصَّلاَة قَدْ قَامَتِ الصَّلاَة

The salaah has been established

عن عبد الله بن زيد قال كان أذان رسول الله صلى الله عليه و سلم شفعا شفعا في الأذان والإقامة (سنن الترمذي #194)

Hazrat Abdullah bin Zaid (radhiyallahu ‘anhu) reports that the azaan and iqaamah of Rasulullah (sallallahu ‘alaihi wasallam) were in sets of two.