What are the supplications prescribed for the muezzin after the adhan?

It is prescribed for the muezzin and others, after the adhan, to send prayers upon the Prophet, peace and blessings be upon him, using the Ibrahimiyya formula, then to supplicate with the reported prayer: "O Allah, Lord of this perfect call and the standing prayer, grant Muhammad the Wasilah (a high station in Paradise) and the Fadilah (excellence), and raise him to the praised station which You promised him." Whoever says this will be granted the intercession of the Prophet, peace and blessings be upon him, on the Day of Judgment.

A hadith in Sahih Muslim confirms that whoever hears the muezzin and repeats what he says, then sends prayers upon the Prophet, peace and blessings be upon him, and then asks Allah to grant him the Wasilah, will be granted intercession.