Method and apparatus for defining parameter transmission protoco

Details Method and apparatus for defining parameter transmission protoco Method and apparatus for defining parameter transmission protoco

1993-10-07

1995-10-03

Hofsass, Jeffery A.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 89, 379201, H04M 164

Patent

active

054558522

ABSTRACT:
A Voice Messaging System (VMS) offers a voice store and forward service to a caller on an incomplete call. The caller records the voice message at a Message Delivery System (MDS) via an Intercept Processing Unit (IPU) during a recording session. Call related parameters are transferred from the IPU to the MDS utilizing a handshake protocol specific to the IPU. The VMS accommodates different types of IPUs having different call parameter transfer protocols. The system displays, on the administration terminal, protocol maintenance screens including a generic list of call parameters with fields for entering the order and field length of selected parameters so as to designate a protocol specification to the system. The fields also include information regarding the delimiters utilized to separate the parameters of a parameter string and to designate the end of a parameter string. The protocol specifications are stored in protocol tables keyed by CALLTYPE designating the type of IPU calling the MDS. A split protocol is implemented where a first string of parameters is transmitted prior to the recording session and a second string after the recording session. A special protocol state denoted as RECORD is utilized for this purpose and entered into the protocol maintenance screens.

REFERENCES:
patent: 4766604 (1988-08-01), Axberg
patent: 5133004 (1992-07-01), Heileman, Jr. et al.
patent: 5134646 (1992-07-01), Carlson
patent: 5150399 (1992-09-01), Yasuda

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