NEC NDA-24298 manual User rate value is based on ITU-T Q-931

ARTI : Assignment of Trunk Application Data

CDN					ROUTE NUMBER
	TRUNK DATA
		Assignment of Timer T309 for Layer 1 Failure
		0	= Layer 1 Alarm with T309 is disabled
6	T309CON	1	= Layer 1 Alarm [Temporary] with T309 is enabled
		2	= Layer 1 Alarm [Permanent] with T309 is enabled
		3	=	Not used
		Call Restriction by user rate in Low Layer Capability
		Information Element
7	LLCRST		0=	No restriction
		1-31=		Call which includes this user rate value is
				restricted.
		Note:		User rate value is based on ITU-T Q-931.
8	VCM	When assigning this data, always enter zero (0).					0	0	0	0
9	OVRT	When assigning this data, always enter zero (0).					0	0	0	0
10	POOL	When assigning this data, always enter zero (0).					0	0	0	0
		Deletion of ALL 1 alarm signal (DTI Layer 1 alarm)
11	DTRT	0	=	Not used
		1	= Deletion of ALL 1 alarm signal as a Layer 1 alarm
		Temporary Route Information over CCIS
		0	= Not used
12	TMPRT	1 = In CCIS, the route information can be transferred by
			the call control messages. Moreover, the call
			restriction can be checked referring to this route
			information.
13	CODEC	When assigning this data, always enter zero (0).					0	0	0	0
14	PASS	When assigning this data, always enter zero (0).					0	0	0	0
		Clear call when DTI alarm is detected
		0	= Not used			Note
15	IRL	1	= Clear call when DTI alarm is detected
		Note:		This data should be set when there is no
				Dch in the physical DTI.
		Assignment of Timer T309 Value.
16	MTC	Restoration timer (TC⋅ MTC) sec.
		0-15 = TC⋅ MTC (Restart timer value)
		Timer T309 Counter Value
		0	= Not used		1 = 64 msec.
17	TC	2 = Not used			3 = 2 sec.
		4	= 30 sec.		5 = 5 min.
		6	= 1 sec.		7 = Not used
18	TS	When assigning this data, always enter zero (0).					0	0	0	0
19	CDCSPD	When assigning this data, always enter zero (0).					0	0	0	0

NDA-24298CHAPTER 4

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Issue 1