Lucent Technologies 555-661-150 사용자 설명서
MERLIN LEGEND Communications System Release 6.1
Network Reference
Network Reference
555-661-150
Issue 1
August 1998
Touch-Tone Receiver Requirements
Page D-5
System Requirements for Touch-Tone Receivers
D
The following symptoms indicate that the system needs more TTRs.
■
Single-line telephone users do not get dial tone when they lift the handset
to dial out.
to dial out.
■
The voice messaging system fails to transfer calls.
■
Calls fail to ring or go to coverage prematurely.
■
Reorder tone on UDP/ARS calls using tandem tie trunks.
■
Delay in MWL tie trunks when tie trunks are available.