Outgoing calls from IP phones to a PSTN through a E1 with PBX Panasonic TD200 fail. PBX CARD E1 (KX-TDA0188) R2 Digital with VWIC2-1MFT-T1/E1 CISCO ROUTER 2821. I can call ip phone to extention analog PBX, I can call extention analog PBX to IP phone. But I can't call from ip phone to PSTN
Model : IPPHONE -> CISCO2821-CCME/K9 -> PBX -> PSTN