Tieline IP codecs are the only ones in the world that are capable of sending digitally encoded audio over 3G/4G wireless networks, IP/Internet networks, standard POTS/PSTN telephone lines, ISDN, X.21, satellite (ISDN and IP) and GSM connections.

Built for today's technological requirements, Tieline products are also flexible enough to take advantage of incremental advances in technology. During the transition from circuit-switched data networks to packet-switched networks, Tieline's flexible hardware options let you connect over older technologies and upgrade into new IP technologies at your own pace.