Shiro ADSL 2/2+ Ethernet Modem Manual de usuario descargar pdf (Pagina 593)

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STLF-NA-TRD-REQ-3880 Calls from an H.323 gateway shall be routed through an H.323 network, for

example using an H.323 gatekeeper. Correspondingly, SIP gateways should

use a SIP redirect or a SIP Proxy Server for call routing.

T INDRA

TID

STLF_IO_SIP_INTER

STLF_IO_H323_NAT

STLF-NA-TRD-REQ-3890 One of the key advantages of H.323-based networks is an ability to manage

available resources for call routing via H.323 gatekeepers. The gatekeeper is

the logical “switch” of the H.323 network, providing several basic services to

all endpoints in its zone.

Services that shall be included are :

 address translation (alias name/number-to-network address),

 endpoint admission control (based on bandwidth availability, concurrent

call limitations, or registration privileges),

 bandwidth management

 zone management (the routing of calls originating or terminating in the

gatekeeper zone, including multiple path reroute).

Gateways coordinate calls by communicating with gatekeepers using the

Registration, Admission, and Status (RAS) protocol.

T SATL-RSGW-VT-TC-01.2

SATL-RSGW-VT-TC-02.1

SATL-RSGW-VT-TC-06.1

SATL-RSGW-VT-TC-08.1

SATL-RSGW-VT-TC-08.2

STLF_IO_H323_NAT

STLF_IO_H323_ITSP

STLF_IO_H323_PROX

STLF-NA-TRD-REQ-3900 Within a SIP network, a proxy server can control call routing. The proxy

server performs functions such as registration, authentication, authorization,

network access control, and network security. It also finds the next-hop

routing information based on received or translated destination URLs or

E.164 addresses.

TID

SATL-RSGW-VT-TC-10.1

STLF_IO_SIP_ISDN

STLF_IO_SIP_INTER

STLF_IO_SIP_MESH

STLF-NA-TRD-REQ-3910 While support of the two protocols on a single gateway is critical, another

integral part of dual-protocol deployment is the ability for H.323 gatekeepers

and SIP proxies to interwork and share routing capabilities, using routing

interaction between a SIP Proxy Server and an H.323 gatekeeper.

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