Calls
STE User’s Manual
7-2
Rel. 2.6
7-1.1 Voice
Call
Management Overview
Use the following tables to identify the type service you are provided when requesting a voice or data call.
shows your Secure Voice Call Service and
shows your Secure Data Call Service.
The service type you receive depends upon:
•
The security strapping (setting) of the Caller and the Called Party STEs,
•
The communications capabilities of the equipment at both ends of the circuit, and
•
The capabilities of the communications link between the Caller and the Called Party.
Table 7-1. Secure Voice Call Service
Caller
Carrier Service
User Service Provided
Network Strapping Requested Provided
Security
Signaling
Vocoder
Algorithm
STU-III CELP,
LPC-10e
Voice Bearer
(not digital)
SCIP MELP,
G.729D
Traditional Voice
Bearer
Voice Bearer (digital)
STE
ADPCM
Data Bearer
STE
ADPCM
STU-III CELP,
LPC-10e
Voice Bearer
(not digital)
SCIP MELP,
G.729D
Auto-Secure Data
Bearer
Voice Bearer (digital)
STE
ADPCM
Data Bearer
STE
ADPCM
STU-III CELP,
LPC-10e
Voice Bearer
(not digital)
SCIP MELP,
G.729D
ISDN
Secure-Only Data
Bearer
Voice Bearer (digital)
STE
ADPCM
STU-III CELP,
LPC-10e
PSTN Any
Analog
Line
SCIP MELP,
G.729D
STU-III CELP,
LPC-10e
TRI-TAC Any
Digital
Line
SCIP MELP,
G.729D
BDI Any
Point-to-Point
EIA-530A
EIA-232
STU-III
CELP,
LPC-10e
Summary of Contents for CEU
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