Supplementary Services
The SBC supplementary services parameters are described in the table below.
SBC Supplementary Services Parameters
| Parameter | Description | ||||||
|---|---|---|---|---|---|---|---|
| Emergency Call Preemption Parameters For more information on SBC emergency call preemption, Configuring Call Preemption for SBC Emergency Calls. | |||||||
| 'SBC Preemption Mode' configure voip > sbc settings > sbc-preemption-mode [SBCPreemptionMode] | Enables SBC emergency call preemption. 
 
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| 'Emergency Message Condition' configure voip > sbc settings > sbc-emerg-condition [SBCEmergencyCondition] | Defines the index of the Message Condition rule in the Message Conditions table that is used to identify emergency calls. Note: The device applies the rule only after call classification (but before inbound manipulation). | ||||||
| 'Emergency RTP DiffServ' configure voip > sbc settings > sbc-emerg-rtp-diffserv [SBCEmergencyRTPDiffServ] | Defines DiffServ bits sent in the RTP for SBC emergency calls. The valid value is 0 to 63. The default is 46. | ||||||
| 'Emergency Signaling DiffServ' configure voip > sbc settings > sbc-emerg-sig-diffserv [SBCEmergencySignalingDiffServ] | Defines DiffServ bits sent in SIP signaling messages for SBC emergency calls. This is included in the SIP Resource-Priority header. The valid value is 0 to 63. The default is 40. | ||||||