DEFINITY ECS Release 6
System Description Pocket Reference
555-230-211
Issue 2
January 1998
Page 135
Technical Addendum
Technical Addendum
Release
Used In
HW
Vint
FW Vint Notes
All
0.1
0.B
0.1
0.B
Reduced package; no telephone
user’s guide
0.4
1.1
0.4
1.3
05
All
02
11
03
12
Fixes ring patterns and ring trip
03
14
Eliminates flash during hang-up
03
15
Eliminates flash during answer
All
04
16
Built-in ring generator
05
16
05
17
05
18
Enhances ringing on long loops
All
01
01
REN >5
Enhanced battery feed protection
01
08
Forward disconnect added; need
for Voice Mail
01
08
Improve performance of inductive
ringers
01
08
Meets EIA transmission
standards for use with
MEGACOM® services
01
70
All
02
32
Built-in ring generator;
REN <+1
03
33
REN increased to 2.4
04
34
REN increased to = 4.0
All
Required for 517A13—517F13