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Networking
SIP Trunking
IPedge General Description 01/12
47
SIP Trunking
Benefits
•
SIP trunking is one of the most cost effective ways for an enterprise to provide voice services
for their users.
•
In an increasingly data networked environment, it offers enterprises the ability to use their
existing data network to offer both voice and data services; thereby simplifying and
consolidating the costs associated with maintenance and administration of two separate
networks.
Requirements
•
SIP trunking service – SIP trunking service needs to be purchased from a Toshiba certified SIP
trunk provider.
•
Configure SIP trunking on IP
edge
node – SIP trunk parameters provided by the service
provider need to be configured within the IP
edge
administration interface in order to register
with and use the service.
•
Within the Firewall and the NAT router the following ports and protocols need to be opened
and forwarded; in order for local end points to communicate and make calls via the SIP trunk
service:
•
SIP – UDP 5060
•
RTP/RTCP – Dynamically assigned
•
SIP ALG (Application Level Gateway) – The firewall that the IP
edge
server sits behind must
support a SIP ALG or SIP traversal function in order to properly transform SIP packets as they
traverse the firewall. Usually the setup for this involves turning on the function in the firewall.
Interactions
Different SIP trunk providers have different configuration requirements to enable the service.
There are variations in requirements around registration, authentication, ports used, SRV records
etc. For details and references on configuring SIP trunk programming for these different
variations, refer to the IP
edge
Install Manual.
Содержание ID EDGE
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