ISDN/SIP Trunk lines have been the foundation of business telephony for many years, offering clear call quality for up to 8 phone lines. This line type is suitable for smaller businesses and offices. ISDN/SIP Trunk services provide high-performance voice and data services.
To activate the ISDN service, a one-time deposit is required for the additional necessary equipment and to prepay for the months, based on the fixed fee of the services below. After the prepaid period ends, the monthly service charges will begin as outlined in the following services.
A speech package from HCN can also be used with the respective phone line.