SS7 - Destination - ISUP Group - TMR-USI Override
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The Transmission Medium Requirement is information sent in the forward direction indicating the type of transmission medium required for the connection. TMR is supported in ITU-T networks only. The User Service Information is information sent in the forward direction indicating the bearer capability requested by the calling party and including as a minimum, the coding standard and information transfer capability, transfer mode, and information transfer rate. USI is supported in ANSI networks only. Use the fields below to select the Transmission Medium and User Service Information parameters.
Web GUI Page
Dialogic > SS7 > SS7 Network > SS7 Stack > SS7 Destination > ISUP Group > New TMR-USI Override
Maximum Objects
One TMR USI Override object per ISUP group
Related Topics and Dependencies
The TMR USI Override object is created under an specific ISUP Group. The TMR USI Override object is used to either override or ignore one or all of the TMR USI parameters in any calls that use this ISUP Group. The complete SS7 network along with all of its objects must first be configured. Once they are configured, the TMR USI Override can be created and configured. The Default setting is to Ignore overriding the parameters.
Field Descriptions
Transmission Medium Requirement Override
Select from drop down menu the Transmission Medium of the outgoing call. The choices are displayed below. Supported in ITU only.
 |
Ignore (default) |
Speech |
64 kbit/s unrestricted |
3.1 khz audio |
Alternate Speech |
Alternate 64kbit/s unrestricted |
2x64kbit/s unrestricted |
384kbit/s unrestricted |
Coding Standard
Information sent in association with a parameter (e.g. cause indicators) identifying the standard in which the parameter format is defined. Select from drop down menu. The choices are displayed below
 |
Ignore (default) |
ITU-T standardized |
ISO/IEC Standard |
National standard |
Standard for Network Side of Interface |
Information Transfer Capability
Information sent in the forward direction indicating the type of transmission medium required for the connection. Select from drop down menu. The choices are displayed below
 |
Ignore (default) |
Speech |
Unrestricted Digital Info |
Restricted Digital Info |
3.1 kHz audio |
Unrestricted Digital with tones/announcements |
Video |
Transfer Mode
Information sent in the forward direction indicating circuit or packet transfer mode. Select from drop down menu. The choices are displayed below
 |
Ignore (default) |
Circuit Mode |
Packet Mode |
User information layer 1 protocol
Select from drop down menu the layer 1 Information of the outgoing call. The choices are displayed below. Supported in ANSI only.
 |
Ignore (default) |
G.711 u-law |
G.711 A-law |
G.721 |
H.221 or 242 |
H.223 or 245 |
Bypass |
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