You are here: Home > Browse the Library > BSPs (Bell System) > Most Popular > BSP Categories by later Division Number (by Doc #) > 300 - 379 Divisions - Transmission Sys & Testing > 313 Division - Voice and Voiceband Data Channels

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 313 Division - Voice and Voiceband Data Channels

Documents

Toggle Title Date Download
pdf 313-000-000 I8 (697 downloads) Popular Download (pdf, 46 KB)
pdf 313-100-100 I2 (734 downloads) Popular Download (pdf, 389 KB)
pdf 313-110-100 I1 (897 downloads) Popular Download (pdf, 1.23 MB)
pdf 313-110-101 Add I1 (705 downloads) Popular Download (pdf, 40 KB)
pdf 313-110-101 I1 (801 downloads) Popular Download (pdf, 764 KB)
pdf 313-120-100 I6 (896 downloads) Popular Download (pdf, 1.74 MB)
pdf 313-120-101 I1 (704 downloads) Popular Download (pdf, 1.01 MB)
pdf 313-120-101 X1 I1 (649 downloads) Popular Download (pdf, 198 KB)
pdf 313-130-100 I1 (788 downloads) Popular Download (pdf, 1.51 MB)
pdf 313-130-101 I1 (756 downloads) Popular Download (pdf, 1.53 MB)
pdf 313-220-100 I2 (723 downloads) Popular Download (pdf, 1.39 MB)
pdf 313-220-101 I1 (951 downloads) Popular Download (pdf, 2.12 MB)
pdf 313-300-101 I1 (710 downloads) Popular Download (pdf, 3.36 MB)

New User?

Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

Please send a file to add your name to this list!

Who's online

We have 454 guests online