httpproxy.gopherspace.dk:75/1/proxy/https://bitsavers.org/communications/bellcore/

       Index of /communications/bellcore
       _______________________________
       
   DIR /communications
   DIR Technical_Advisory
   DIR Technical_Reference
   DIR TR-NPL-000246_Rev_3_Vol_1_Signaling_System_Number_7_Technical_Reference_198906
   DIR TR-NPL-000246_Rev_3_Vol_2_Signaling_System_Number_7_Technical_Reference_198906