User`s guide

Agilent PXT Wireless Communications Test Set
User’s Guide
184
PXT Scenario File
The following highlight common message information elements that many devices require to support IMS-
SIP and the SRVCC handover.
When creating or editing scenario files, it is helpful to remember that you must right-
click on the message editor parameter you wish to change and select the highlighted
option (for example: Type Choice or Value Change), which then displays a drop-down
list from which you can select the value you need.
For 3G/2G interoperation, the NAS message Activate Default EPS bearer must contain the following:
• TransactionIdentifier
• NegotiatedQoS
• NegotiatedLLCSAPI
For IMS-SIP operation, the NAS message Activate Default EPS bearer for the IMS-SIP bearer should contain
the following:
• ProtocolConfigurationOptions, ContainerCfgs, P-CSCF IP Address
Set this value to the IP address of the IMS-SIP server PC.
• NegotiatedQoS
o TrafficClass = Conversational class (1)
o SourceStatisticsDescriptor = speech (1)