BasicService

Validations ASN.1 Parent Types

The group Basic Service identifies the actual Basic Service used.

It must contain the Service Code, it will, conditionally also contain the Radio Channel Used, Radio Channel Requested, Speech Version Requested, Speech Version Used, Transparency Indicator, Fixed Network User Rate, Air Interface User Rate Requested and User Protocol Indicator.

Conditionality:

Mandatory within group Basic Service Used.

Validations

Error Code	Context	Severity Level	Validation Description
30     31     32     33     34     35       36	MOC MTC   MOC MTC   MOC MTC   MOC MTC   MOC MTC   MOC MTC     MOC MTC	Severe     Warning     Warning     Warning     Warning     Warning       Warning	Mandatory group Service Code missing within group.   Item Radio Channel Requested not present and call is not either SMS or call forwarding.   Item Radio Channel Used not present and call is not either SMS or call forwarding.   Item Speech Version Requested not present and call is for a voice service.   Item Speech Version Used  not present and call is for a voice service.   Item Transparency Indicator not present and call is not one of SMS, call forwarding, or voice service.   Item Fixed Network User Rate not present and a General Bearer Service has been invoked.

 

BasicService ::= [APPLICATION 36] SEQUENCE
{
    serviceCode                 BasicServiceCode       OPTIONAL, -- *m.m.
    radioChannelRequested       RadioChannelRequested  OPTIONAL,
    radioChannelUsed            RadioChannelUsed       OPTIONAL,
    speechVersionRequested      SpeechVersionRequested OPTIONAL,
    speechVersionUsed           SpeechVersionUsed      OPTIONAL,
    transparencyIndicator       TransparencyIndicator  OPTIONAL,
    fnur                        Fnur                   OPTIONAL,
    aiurRequested               AiurRequested          OPTIONAL,
    userProtocolIndicator       UserProtocolIndicator  OPTIONAL
}

Parent Types

BasicServiceUsed
Text extracted from GSMA TD57 standard