The Sunnah is to call for prayer at the Masjid or near it (Part No. 6; Page No. 69) as it is reported from the Prophet's actions and this was also the case during the time of his rightly guided caliphs (may Allah be pleased with them) and Muslims followed them in this regard. It is a call for the due time of Salah and a call to perform it in the Masjid, so it should not be done away from it, but if the Adhan was declared from inside the Masjid or near it and most of the inhabitants do not hear it, there is no harm in declaring it in a place for it to be heard by the majority taking into consideration the public interest.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.