Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Methods of and systems for monitoring a first call connection while effecting the establishment of a second call connection










Image Number 13 for United States Patent #4399532.

A second-incoming call appears at an attendant facility (34) within a PBX system (20) while the attendant is awaiting a response on a first-incoming call. The attendant activates an overlap button (35) to facilitate the conversion of the first-incoming call into a listen-only connection. The attendant then establishes a two-way connection between the attendant and the second-incoming call to be served by the PBX system (20). Thereafter, the attendant monitors the first-incoming call on a listen-only basis while simultaneously serving the second-incoming call associated with the two-way connection.








 
 
  Recently Added Patents
Integrated circuit packaging system with laser hole and method of manufacture thereof
(4941
Scattering spectroscopy employing hotspot-aligned nanopores
Cooking device and method of manufacture of the same
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
Co-crystals of agomelatine, a process for there preparation and pharmaceutical compositions containing them
System and method for ranking content and applications through human assistance
  Randomly Featured Patents
Method for producing tubular component provided with mutually oriented threaded elements
Large area optical diagnosis apparatus and operating method thereof
Method of manufacturing semiconductor device having multilevel interconnection structure
Run-length limited code without DC level
Apparatus for regulating the configuration of the upper surface of a supply of tobacco in a distributor for use in cigarette makers or the like
Method and system for regulating the decision threshold and the sampling clock phase of a data regenerator for a binary signal
Clutch mechanism
Surface inspection tool and surface inspection method
Polymer blend compatibilization using isobutylene-based block copolymers II
Spent nuclear fuel storage racks