Primary Rate Interface is a 30 Channel ISDN link for voice communication. PTCL’s Primary Rate ISDN (PRI) service uses the public telephone network to carry an all-digital signal that can satisfy customer’s voice and data communication needs in the most efﬁcient & flexible way possible
PTCL’s sufﬁcient experience, nationwide network resources as well as nationwide human resources to cater for all the current and future telecommunication needs of the customer. Technology like intelligent network & state of the art network elements deployed nationwide, PTCL network does it all for you. PTCL’s PRI service is ideal for enterprises that require simultaneous transmission of voice & data with customized tariff, dedicated KAM & after sale service portal and connects you in no time.