Division 231: 1 and 1A ESS Switches

Section Date Issue Size Title
231-001-011PT A1981-04-01A23.29 KBEquipment Test List - 2-Wire System - No. 1 ESS Equipment
231-001-900SW1982-11-01B1.14 MBNetwork Design Order Preparation - No. 1/1A Electronic Switching System
231-001-901SW1998-02-011103.84 KBQuality of Service Monitoring - Switch Network Elements (QSM/SNE)
231-024-900PT1979-01-01C287.32 KBAutomatic Number Announcer PED-1A002-10 For Use with Security Circuits PSD-1A003-01 or PSD-1A003-05 - No. 1 and No. 1A Electronic Switching Systems
231-070-425SW A1983-03-01A854.91 KBTranslation Spare Word Administration - Network Administration - No. 1 Electronic Switching System
231-070-427SW A1983-03-01A847.52 KBMemory Administration - Network Administration - No. 1 Electronic Switching System
231-070-580SW A1982-04-01C314.93 KBBusy Hour Determination - Network Administration - No. 1/1A Electronic Switching System
231-070-7571985-07-0121.27 MBMatching Loss Problem Analysis Procedures - Network Administration - 1/1A ESS Switch
231-090-1121978-03-0111.51 MBFeature Document - Interface with Switchboards Feature - 2-Wire No. 1 and No. 1A Electronic Switching Systems
231-099-034NP1990-06-0133.12 MBNetwork Planning Letter - 1A ESS Switch 1AE10/CCS7 Generic Program - New Features and Enrichments
231-390-0691996-03-01102.91 MBAutomatic Message Accounting - Standard Entries and Multientry Teleprocessing System - Feature Document - 1A ESS Switch
231-390-0861996-08-014897.23 KBUsage Sensitive Three-Way Calling and Spontaneous Usage Sensitive Three-Way Calling - Feature Document - 1A ESS Switch
231-390-0871985-05-011136.78 KBVoice / Data Protection Feature - Feature Document - 1A ESS Switch
231-390-1761993-06-018190.28 KB1A ESS Switch - Simplified Message Service Interface - Feature Document
231-390-2071999-01-011211.26 MB1A ESS Switch - Traffic Measurements - Feature Document
231-390-2361996-08-0181.70 MB1A ESS Switch - Selective Call Forwarding - Local Area Signaling Services - Feature Document
231-390-2371996-08-0151.25 MB1A ESS Switch - Distinctive Alerting - Local Area Signaling Services - Feature Document
231-390-2391996-08-01122.83 MB1A ESS Switch - Automatic Recall / Automatic Callback - Local Area Signaling Services - Feature Document
231-390-2411996-08-017730.72 KB1A ESS Switch - Customer Originated Trace - Local Area Signaling Services - Feature Document
231-390-243 A1987-12-01127.25 KBBulk Calling Line Identification - Local Area Signaling Services - Feature Document - 1A ESS Switch
231-390-2891985-12-01139.32 KBService Code Confirmation Timing - Feature Document - 1A ESS Switch
231-390-2961987-05-01181.03 KBSingle Line Remote Call Forwarding and Interoffice Multiple Call - Feature Document - 1A ESS Switch
231-390-3811996-03-014557.59 KBHome Intercom / Single Line Variety Package - Feature Document - 1A ESS Switch
231-390-383 A1987-07-01129.07 KBExpanded Electronic Tandem Switching Dialing Plan - Feature Document - 1A ESS Switch
231-390-3851990-08-012109.45 KBE911 Bulk Recent Change Capability - Feature Document - 1A ESS Switch
231-390-3891996-03-015880.35 KBRemote Access Call Forwarding - Feature Document - 1A ESS Switch
231-390-3941986-10-01142.40 KBCentrex to Private Branch Exchange Automatic Number Identification - Feature Document - 1A ESS Switch
231-390-405 X11985-02-01152.92 KBAPS Input / Output Message Interface with SCCS - Feature Document - 1A ESS Switch
231-390-5091995-11-0152.10 MBService Switching Point - Common Channel Signaling System 7 - Feature Document - 1A ESS Switch
231-390-5101996-03-015995.49 KB800 Service - Common Channel Signaling System 7 - Feature Document - 1A ESS Switch
231-390-5201995-11-0141.55 MB1A ESS Switch - Advanced Services Platform / Network Access Point Feature - Feature Document
231-390-5211998-04-0163.02 MB1A ESS Switch - Network Interconnect - Common Channel Signaling System 7 - Feature Document
231-390-521 A1999-01-01142.24 KB1A ESS Switch - Network Interconnect - Common Channel Signaling System 7 - Feature Document
231-390-5231996-08-0161.84 MBTotal Separation - Selective Call Forwarding Feature - Local Area Signaling Services - 1A ESS Switch