Secured features
The features that follow are secured features listed with the associated
secured feature IDs (SFIDs). Recent Change view 8.22 is used to
activate these features. Refer to “Feature Activation (RC/V 8.22)”
(5-13) for the procedure.
• SIP for Packet Trunking (SFID 684)
• SIP without Encapsulated ISUP (SFID 769)
Availability
The following list provides the availability for SIP related features:
• SIP for Packet Trunking (feature 99-5E-8382) is available with
the 5E16.2 FR3 software release or later.
• UDP Transport Layer for SIP (feature 99-5E-8581) and Support
for SIP without Preconditions (feature 99-5E-8582) are available
with 5E16.2 FR5 software release or later.
• SIP without Encapsulated ISUP (feature 99-5E-8587) and SIP
Enhancements to Support PSTN Gateway Phase 1 (feature
99-5E-8658) are available with the 5E16.2 FR6 software release
or later.
• The DRM IP Trunking (99-5E-8645) feature is available with the
5E16.2 FR 9 software release or later.
Deployment
This platform is provided on a per office basis.
Background knowledge
When SIP is used in media gateway controllers for call establishment,
there are many cases where it must bridge the PSTN network with IP
networks. To do this, SIP must be extended to transport all of the
PSTN signaling information transparently. By extending SIP
messaging and adding PSTN signaling encapsulation functionality, the
SIP protocol can be used for media gateway to media gateway
communication.
Interfacing with a IP network requires an understanding of the
following IP concepts and equipment:
• routers and Layer 2 (L2) switches,
• Ethernet,
• internet protocol and internet control message protocol (ICMP),
SIP for Packet Trunking
Overview
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235-200-118
Issue 3.02B, March 2007
Lucent Technologies
1-5
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