1 Telex conversation mode
2 Access to the public telegram service
3 User class-of-service
4 Public telex booth
5 Outgoing only terminal
6 Incoming only terminal
7 Access barred
8 Restricted service
9 Priority
10 Absolute
priority
11 Priority
for called subscriber
12 In-local
override
13 Direct
outgoing selection
14 Direct
incoming selection
15 Direct
incoming selection with integrated numbering
16 Direct
incoming selection with two-stage selection
17 Closed
user group
18 Partially
closed user group
19 User
facility
20 Automatic
calling
21 Automatic
answering
22 Manual
answering
23 Automatic
identification
24 Line
identification by the network
25 Automatic
date and time indication
26 Indication
of duration
27 Indication
of charge
28 Statement
of call account
29 Shared
terminal
30 Accounts
for shared terminal
31 Storage
of call content
32 Retrieval
of stored call content
33 Statistics
on request
34 Recorded
message
35 Camp-on:
connect when free
36 Camp-on
with recall
37 Absent
subscriber service (in telegraphy and data communication)
38 Call
re-direction
39 Changed
address interception
40 Store-and-forward
41 Storage
installation
42 Redirection
address
43 Delayed
delivery
44 Message
priority
45 Message
spacing
46 Header
47 Booked
call
48 Network
recall
49 Multi-address
call
50 Conference
call
51 Broadcast
call
52 Restricted
conference call
53 Broadcast
conference call
54 Prefix
55 Escape
code