Issue 1.0
IDT/Net2Phone
2
SIP Trunking Service Configuration Guide
1.4
Requirements
With the SV9100, a VoIP gateway daughter board is required in addition to
licensing for IP (SIP) trunks.
A minimum of four IP (SIP) trunks are required due to the NEC Communications
Server infrastructure setup.
The system software for the NEC Communications Server should be
Version 06.00.60 or higher.
NEC recommends that the requirements and programming are completed with as
much information as possible before scheduling an activation appointment with
IDT/Net2Phone.
1.5
General Information
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Emergency 911/E911 Services Limitations and Restrictions - Although
SIP Trunk carrier may provide 911/E911 calling capabilities, the SIP
Trunk carrier does not warrant or represent that the equipment and
software (e.g., IP PBX) reviewed in this customer configuration guide will
properly operate with Carrier to complete 911/E911 calls; therefore, it is
the customer’s responsibility to ensure proper operation with its
equipment/software vendor.
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A SIP Trunk carrier services support E911/911 calling capabilities under
certain Calling Plans, there are circumstances when that E911/911
service may not be available. Such circumstances include, but are not
limited to, relocation of the end-user’s CPE, use of non-native or virtual
telephone number, failure in the broadband connection, loss of electrical
power, and delays that may occur in updating the customer’s location in
the automatic location information database.
1.6
Limitations
The following limitations apply:
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Some private IP network ranges conflict with SIP trunking service
providers ranges. This can cause issues when connecting to the SIP
trunking service provider. Private ranges reserved for the customer’s
LAN are:
10.x.x.x
192.168.0.x through 192.168.10.x
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SIP Diversion header not supported.
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SIP REFER not supported.
