voice pots config changed by it self

[amralrazzaz]

i have issue about dial peer voice pots 

its change by it self suddenly even if i edit and save the correct one here u are the correct config

dial-peer voice 1 pots
trunkgroup pstn
trunkgroup Mobile
corlist outgoing mobile-long
description ** Inside Cairo **
destination-pattern 902.......T
forward-digits 8
prefix 02

and this is the wrong one and i cant call land line then

dial-peer voice 1 pots
corlist outgoing mobile-long
description ** Inside Cairo **
destination-pattern 902.......T
fax rate disable
bandwidth maximum 0 minimum 0
no digit-strip
forward-digits 8
prefix 168.2.214:5060
no register e164
preemption level flash-override

[Georgios Fotiadis]

What if you issue

no dial-peer voice 1 pots

and then paste again the desired configuration?

[R0g22]

That's an interesting one. I think I have seen this issue before. What is the router and the IOS ?