With the Lancom All-IP option Lancom 1781er router, the 1631E and 831A are so upgraded that existing ISDN terminals and ISDN PBXs can be connected directly to the Lancom router. The router performs the conversion from ISDN to VoIP-based all-IP network of Deutsche Telekom. This Lancom offers its customers a cost-effective and professional solution to continue to operate ISDN-based network components reliably.