AudioControl VERSION 6.2 manual Supported 5xx SIP Responses 5xx Response Comments

		CPE SIP Products
2.1.2.5.5	5xx Response – Server Failure Responses
	Table 2-10: Supported 5xx SIP Responses
	5xx Response	Comments
500	Internal Server Error
		Upon receipt of any of these Responses, the
501	Not Implemented
		device releases the call, sending an appropriate
502	Bad gateway
		release cause to the PSTN side.
503	Service Unavailable	The device generates a 5xx response according
		to the PSTN release cause coming from the
504	Gateway Timeout
		PSTN.
505	Version Not Supported
2.1.2.5.6	6xx Response – Global Responses
	Table 2-11: Supported 6xx SIP Responses
	6xx Response	Comments
600	Busy Everywhere
		Upon receipt of any of these Responses, the
603	Decline
		device releases the call, sending an appropriate
604	Does Not Exist Anywhere
		release cause to the PSTN side.
606	Not Acceptable

SIP Release Notes 126 Document #: LTRT-26901