I know, I know. Something something something get ground start trunks.
Now that we're past that. Yes, this is yet another post about loop start trunks and disconnect supervision. As you can imagine, it's not working. However, I haven't given up hope yet. I have read here that some have been successful with it behaving at least some of the time, but I have not figured out what the secret sauce for that is yet.
My lines are served directly from the CO and, yes, there is battery drop disconnect supervision. I can confirm it with 1) a butt set, 2) the line side of my toner (it has an LED to indicate power/polarity), 3) a line powered telephone that has an LED to indicate off-hook. They all show battery drop at disconnect, and it feels to be 1 second.
For the route (LD 16), I have NEDC and FEDC set to ETH. For the trunk (LD 14) I have SUPN set to NO. I've tried setting SUPN to yes and playing with the options, as well as playing with the FEDC/NEDC options (though maybe not every combination) without much success. I'm hoping one of y'all might know the trick to convincing this to at least work inconsistently. Alternatively, if you have a contact with AT&T (Pacific Bell territory) that wouldn't mind slipping into the 5ESS that provides me service really quick and provisioning my lines as ground start, that'd work too. :-D
Any suggestions would be hugely appreciated!
Printout of LD 14:
>ld 20
PT0000
REQ: prt
TYPE: cot
TN 9 2
DATE
PAGE
DES POTS 7693
TN 009 0 00 02
TYPE COT
CDEN 8D
CUST 0
XTRK XCOT
FWTM YES
BIMP 600
TRK ANLG
NCOS 0
RTMB 1 1
ATDN 7693
SIGL LOP
SUPN NO
AST NO
IAPG 0
PPID 0
BTID 0
CLS UNR DTN WTA LPR APN THFA
P10 SHL
TKID
DATE 8 JUN 2021
Printout of LD 16:
>ld 21
PT1000
REQ: prt
TYPE: rdb
CUST 0
ROUT 1
TYPE RDB
CUST 00
DMOD
ROUT 1
DES POTS 7693
TKTP COT
NPID_TBL_NUM 0
PRIV NO
SAT NO
RCLS EXT
VTRK NO
DTRK NO
ISDN NO
PTYP ACO
AUTO YES
ICOG IAO
RANX NO
SRCH LIN
TRMB YES
STEP
ACOD 81
CPP NO
TARG 31
CLEN 1
BILN NO
OABS
TIMR ICF 512
OGF 512
EOD 128
DSI 34944
NRD 10112
DDL 0
OOD 1
ODT 256
RGV 640
FLH 500
GRD 896
SFB 3
CRD 512
IENB 5
TFD 0
LEXT 100
VGD 6
SST 3 0
NEDC ETH
FEDC ETH
CPDC NO
SPCT IMM
HOLD 02 02 40
SEIZ 02 02
RGFL 02 02
RVSD 08 31
ILLR 02 02
DRNG NO
CDR NO
MUS NO
MR NO
MANO YES
EQAR NO
FRL 0 0
FRL 1 0
FRL 2 0
PAGE 002
FRL 3 0
FRL 4 0
FRL 5 0
FRL 6 0
FRL 7 0
OHQ NO
OHQT 00
TTBL 0
ATAN NO
OHTD NO
PLEV 2
MCTS NO
ALRM NO
ART 0
SGRP 0
AACR NO
Now that we're past that. Yes, this is yet another post about loop start trunks and disconnect supervision. As you can imagine, it's not working. However, I haven't given up hope yet. I have read here that some have been successful with it behaving at least some of the time, but I have not figured out what the secret sauce for that is yet.
My lines are served directly from the CO and, yes, there is battery drop disconnect supervision. I can confirm it with 1) a butt set, 2) the line side of my toner (it has an LED to indicate power/polarity), 3) a line powered telephone that has an LED to indicate off-hook. They all show battery drop at disconnect, and it feels to be 1 second.
For the route (LD 16), I have NEDC and FEDC set to ETH. For the trunk (LD 14) I have SUPN set to NO. I've tried setting SUPN to yes and playing with the options, as well as playing with the FEDC/NEDC options (though maybe not every combination) without much success. I'm hoping one of y'all might know the trick to convincing this to at least work inconsistently. Alternatively, if you have a contact with AT&T (Pacific Bell territory) that wouldn't mind slipping into the 5ESS that provides me service really quick and provisioning my lines as ground start, that'd work too. :-D
Any suggestions would be hugely appreciated!
Printout of LD 14:
>ld 20
PT0000
REQ: prt
TYPE: cot
TN 9 2
DATE
PAGE
DES POTS 7693
TN 009 0 00 02
TYPE COT
CDEN 8D
CUST 0
XTRK XCOT
FWTM YES
BIMP 600
TRK ANLG
NCOS 0
RTMB 1 1
ATDN 7693
SIGL LOP
SUPN NO
AST NO
IAPG 0
PPID 0
BTID 0
CLS UNR DTN WTA LPR APN THFA
P10 SHL
TKID
DATE 8 JUN 2021
Printout of LD 16:
>ld 21
PT1000
REQ: prt
TYPE: rdb
CUST 0
ROUT 1
TYPE RDB
CUST 00
DMOD
ROUT 1
DES POTS 7693
TKTP COT
NPID_TBL_NUM 0
PRIV NO
SAT NO
RCLS EXT
VTRK NO
DTRK NO
ISDN NO
PTYP ACO
AUTO YES
ICOG IAO
RANX NO
SRCH LIN
TRMB YES
STEP
ACOD 81
CPP NO
TARG 31
CLEN 1
BILN NO
OABS
TIMR ICF 512
OGF 512
EOD 128
DSI 34944
NRD 10112
DDL 0
OOD 1
ODT 256
RGV 640
FLH 500
GRD 896
SFB 3
CRD 512
IENB 5
TFD 0
LEXT 100
VGD 6
SST 3 0
NEDC ETH
FEDC ETH
CPDC NO
SPCT IMM
HOLD 02 02 40
SEIZ 02 02
RGFL 02 02
RVSD 08 31
ILLR 02 02
DRNG NO
CDR NO
MUS NO
MR NO
MANO YES
EQAR NO
FRL 0 0
FRL 1 0
FRL 2 0
PAGE 002
FRL 3 0
FRL 4 0
FRL 5 0
FRL 6 0
FRL 7 0
OHQ NO
OHQT 00
TTBL 0
ATAN NO
OHTD NO
PLEV 2
MCTS NO
ALRM NO
ART 0
SGRP 0
AACR NO
