In the narration of Imam al-Bazzar the wording is: The Prophet (peace and blessings be upon him) used to deliver two sermons on Friday, separating them by sitting between them.
The narrators of Imam al-Tabarani are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصلاة / 3138