and of the prayer that is about to be established, grant Muhammad the wasilah and the fadilah, and raise him to the praiseworthy station You have promised him. You never break Your promise.
Among these narrations is also the wording: “I bear witness that there is no god but Allah alone without partner, and I bear witness that Muhammad is His servant and Messenger; I am content with Allah as Lord, with Islam as religion, and with Muhammad as Messenger.”
Another of them states that the supplication made between the adhan and the iqamah is not rejected.
As for the first hadith, we have already explained that when a person hears the call he should repeat what the mu’adhin says, as mentioned earlier.
Concerning the second hadith—“Whoever says when he hears the call…”—it refers to when the mu’adhin has finished, as indicated by the previous report: once the mu’adhin has finished you invoke blessings upon the Prophet ﷺ and then say:
“Allahumma rabba hadhihi al-da‘wati al-tamma wa-l-salati al-qa’imah, ati Muhammadan al-wasilata wa-l-fadilah, wab‘ath-hu maqaman mahmudan alladhi wa‘adtah. Allahumma rabba hadhihi al-da‘wati al-tamma, You never break Your promise.”
“The perfect call” refers to the summons to prayer and success, for it is one of the most complete of all calls. “The prayer that is about to be established” means the prayer that will shortly be performed, for the adhan merely announces that its time has begun.
“Grant Muhammad the wasilah and the fadilah” means: give him the wasilah—a rank in Paradise that is the highest of all its levels, reserved for the Prophet ﷺ—and the fadilah, meaning distinction and an exalted station, which he has indeed attained.
“And raise him to the praiseworthy station You promised him”—Allah has already promised him that in His saying