T1 PRI on 2821 MGCP Gateway. Calling party transform mask is set in the route pattern but caller ID still shows only the main number of the PRI.
debug ISDN Q931 looks like correct digits are being sent
Calling Party Number i = 0x0881, '8123844431'
Plan:National, Type:Unknown
Called Party Number i = 0x80, '18123090681'
Plan:Unknown, Type:Unknown