What is caller ID "54_X" means?

[Jeff1215]

Meridian 61c, DID trunk
sometimes the incoming call shows the caller ID as "54_1""54_2""54_3", etc.
when I trace the call, the log show as below:
.trac 12 0 5 12


TN 012 0 05 12
KEY 0 SCR MARP ACTIVATED


ORIG 004 01 DID RMBR 10 1
TERM DN 3523
TDTN 10 SLOT 17 PTY SLOT 17
DIAL DN 3523
MAIN_PM RING AUX_PM
TALKSLOT ORIG 17 TERM 17 JUNCTOR ORIG0 TERM0
QUEU CAD
CALL ID 0 6866

---- ISDN PRA CALL (ORIG) ----
CALL REF # = 20245
BEARER CAP = VOICE
HLC =
CALL STATE = 7 CALL RCV
CALLING NO = NUM_PLAN:UNKNOWN TON:UNKNOWN ESN:UNKNOWN
CALLED NO = 3523 NUM_PLAN:UNKNOWN TON:UNKNOWN ESN:UNKNOWN
PDCA 1 PAD 0 0 PCML MU MU


Does anyone have any idea or suggestion aboout this?
Thanks!

 

[GHTROUT]

I suspect you are seeing the Route Access Code and Trunk Member Number - which replaces Caller ID when none is available or blocked.

54 (access code) 1 (member)




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[telebub]

Looks to me like a call that has no CLID info is coming in and you are seeing the route ACOD and trunk member number. If someone blocks the CLID or their line doesn't put out CLID, then the telephone display will show the route access code and trunk member number.

War Eagle!!

 

[Jeff1215]

Thanks,
You reminds me, 54 is the trunk access code.