Nortel Networks TP-1610 SIP SecureCallsFromIP, AltRouteCauseTel2IP, AltRouteCauseIP2Tel

Mediant 2000 SIP

Table 6-5: Number Manipulation and Routing Parameters (continues on pages 115 to 121)

ini File Field Name Valid Range and Description

Web Parameter Name*

For ETSI ISDN variant, the following Number Plan and Type combinations (Plan/Type) are supported in the Destination

and Source Manipulation tables:
0,0	= Unknown, Unknown
9,0	= Private, Unknown
9,1	= Private, Level 2 Regional
9,2	= Private, Level 1 Regional
9,3	= Private, PISN Specific
9,4	= Private, Level 0 Regional (local)
1,0	= Public(ISDN/E.164), Unknown
1,1	= Public(ISDN/E.164), International
1,2	= Public(ISDN/E.164), National
1,3	= Public(ISDN/E.164), Network Specific
1,4	= Public(ISDN/E.164), Subscriber
1,6	= Public(ISDN/E.164), Abbreviated
For NI-2 and DMS-100 ISDN variants the valid combinations of TON and NPI for calling and called numbers are
(Plan/Type):
0/0 - Unknown/Unknown
1/1 - International number in ISDN/Telephony numbering plan
1/2 - National number in ISDN/Telephony numbering plan
1/4 - Subscriber (local) number in ISDN/Telephony numbering plan
9/4 - Subscriber (local) number in Private numbering plan
SecureCallsFromIP		0 = Gateway accepts all SIP calls (default).
[IP Security]		1 = Gateway accepts SIP calls only from IP addresses defined in the Tel to IP routing
		table. The gateway rejects all calls from unknown IP addresses.
		For detailed information on the Tel to IP Routing table, refer to Section 5.8.4.1 on
		page 49.
		Note: Specifying the IP address of a Proxy server in the Tel to IP Routing table
		enables the gateway to only accept calls originating in the Proxy server and rejects
		all other calls.
AltRouteCauseTel2IP		Table of call failure reason values received from the IP side. If a call is released as a
[Reasons for Alternative		result of one of these reasons, the gateway tries to find an alternative route to that
Routing Table]		call in the ‘Tel to IP Routing’ table.
		For example:
		AltRouteCauseTel2IP = 486	(Busy here).
		AltRouteCauseTel2IP = 480 (Temporarily unavailable).
		AltRouteCauseTel2IP = 408	(No response).
		Note 1: The 408 reason can be used to specify that there was no response from the
		remote party to the INVITE request.
		Note 2: This parameter can appear up to 5 times.
AltRouteCauseIP2Tel		Table of call failure reason values received from the pstn side (in Q.931
[Reasons for Alternative		presentation). If a call is released as a result of one of these reasons, the gateway
Routing Table]		tries to find an alternative trunk group to that call in the ‘IP to Trunk Group Routing’
		table.
		For example:
		AltRouteCauseIP2Tel = 3	(No route to destination).
		AltRouteCauseIP2Tel = 1	(Unallocated number).
		AltRouteCauseIP2Tel = 17	(Busy here).
		Note 1: This parameter can appear up to 5 times.
		Note 2: If the Mediant 2000 fails to establish a cal to the PSTN because it has no
		available channels in a specific trunk group (e.g., all of the trunk group’s channels
		are occupied, or the trunk group’s spans are disconnected or out of sync), it uses the
		internal release cause ‘3’ (no route to destination). This cause can be used in the
		‘AltRouteCauseIP2Tel’ table to define routing to an alternative trunk group.

Mediant 2000 SIP User’s Manual 120 Document #: LTRT-72504