5-6
602E52970
DCN
Disconnect
DISCONNECTION
5.2.2 Meaning of Error Codes
Code
Cause of Error
Action
02.
00
No dial tone
Check telephone connection
03.
00
No answer from correspondent
Call again manually
04.
00
No connection due to
Print and analyse protocol dump
disconnected correspondent
(DCN received)
04.01
No connection due to incompatible
Print and analyse protocol dump
correspondent
(during handshake phase)
04.02
No connection due to incompatible
Print and analyse protocol dump
correspondent
04.03
No connection due to incompatible
Print and analyse protocol dump
correspondent
(incompatible confirmation signal)
04.04
No connection due to incompatible
Print and analyse protocol dump
correspondent
(DCN instead of confirmation signal)
04.05
Line error as no further speed
Print and analyse protocol dump
fall-back is possible
04.06
No connection due to problems
Call again manually
on receiver's side (no answer)
04.07
No answer during
Print and analyse protocol dump
post-message phase
04.08
Answer not allowed during
Print and analyse protocol dump
post-message phase
04.09
No development of protocol
Print and analyse protocol dump
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