ATE101771T1 - MAIN POST BUSY ALERT ON SCREED CALLS. - Google Patents

MAIN POST BUSY ALERT ON SCREED CALLS.

Info

Publication number
ATE101771T1
ATE101771T1 AT87310563T AT87310563T ATE101771T1 AT E101771 T1 ATE101771 T1 AT E101771T1 AT 87310563 T AT87310563 T AT 87310563T AT 87310563 T AT87310563 T AT 87310563T AT E101771 T1 ATE101771 T1 AT E101771T1
Authority
AT
Austria
Prior art keywords
screed
calls
main post
busy
alert
Prior art date
Application number
AT87310563T
Other languages
German (de)
Inventor
Robert Daniel Nalbone
Original Assignee
American Telephone & Telegraph
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/940,141 external-priority patent/US4790004A/en
Application filed by American Telephone & Telegraph filed Critical American Telephone & Telegraph
Application granted granted Critical
Publication of ATE101771T1 publication Critical patent/ATE101771T1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
AT87310563T 1986-12-10 1987-12-01 MAIN POST BUSY ALERT ON SCREED CALLS. ATE101771T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/940,141 US4790004A (en) 1986-12-10 1986-12-10 Implied principal busy status indicator for covered calls
EP87310563A EP0271274B1 (en) 1986-12-10 1987-12-01 Implied principal busy status indicator for covered calls

Publications (1)

Publication Number Publication Date
ATE101771T1 true ATE101771T1 (en) 1994-03-15

Family

ID=25474307

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87310563T ATE101771T1 (en) 1986-12-10 1987-12-01 MAIN POST BUSY ALERT ON SCREED CALLS.

Country Status (2)

Country Link
KR (1) KR960014226B1 (en)
AT (1) ATE101771T1 (en)

Also Published As

Publication number Publication date
KR880008596A (en) 1988-08-31
KR960014226B1 (en) 1996-10-14

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Legal Events

Date Code Title Description
EEFA Change of the company name
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee