Home / ND1428V1.1.3 NGN; PSTNISDN Service Interconnect; Guidance to CPs on PSTN Destination Group usage ND1428V1.1.3 NGN; PSTNISDN Service Interconnect; Guidance to CPs on PSTN Destination Group usage NICC Standards Limited ★ 5.0 · 56 reads Sign in to save this Request CodeZLIB.IO18520694 Published2022 Pages1 LanguageUnknown