NEC Univerge sv8500 Manual page 35

IP Equipment/Terminal
(Note 1, Note 17)
Analog 2MC
8LC Card [SCA-8LCC/SCA-
8LCC-EMEA]
8LC Card [SCA-8LCA/SCA-
8LCA-EMEA]
Proprie-
tary Proto-
col
MG-COT Card
[SCA-6COTA]
SIP
Proprie-
tary Proto-
col
MG-COT Card
[SCA-6COTB]
SIP
Proprie-
tary Proto-
col
MG-COT Card
[SCA-6COTC]
SIP
MC
MCMG Card
[SCA-7COTA]
MG (COT)
MC
MC&MG with
PFT
MG (COT)
Time Duration
Required
Call can be
Firmware
retained
(Note 2)
(Note 3)
Up to 2 minutes 30
No Condition seconds
Note 13
(
No Condition No Limit
No Condition No Limit
No Condition No Limit
No Condition No Limit
No Condition No Limit
No Condition No Limit
No Condition No Limit
No Condition No Limit
SP-3849
MCMG
No Limit
PROG-A Is-
sue 9 or later
No Condition No Limit
No Condition No Limit
Up to 2 minutes 30
No Condition seconds
Note 13
(
INT-9
Event which causes the discon-
tinuation of Call/Call Retention
function
When Health Check timeout occurs
)
When a loop is opened in the self-office
(A call will be retained even if Health
Check timeout occurs)
When a loop is opened in the self-office
(The call will be retained even if Health
Check timeout occurs)
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
• When a loop is opened at counter
party
• When not receiving RTP from coun-
ter party for a certain period
• When PSTN line is disconnected
• When not receiving RTP from coun-
ter party for a certain period
When Health Check timeout occurs
)
INTRODUCTION
Remarks
–