YidaFighting in Heiban has displaced thousands since 12 March.
The Sudanese Council of Churches and the Islamic Council of the Nuba Mountains issued one joint statement.
They met 21-23 September at a refugee camp in South Sudan and demanded an end to hostilities and hate speech.
The statement names no armed group and sets no deadline.
How each outlet framed it
- Radio Dabanga
- Christian-Muslim interfaith peace call from Nuba Mountains; cites September 21-23 refugee camp meeting with religious leader quotes
Sources: Radio Dabanga