Avaya IP Telephony Guía de configuración descargar pdf (Pagina 36)

36 Chapter 2 Prerequisites checklist

P0604630 03

VoIP trunks

Complete this section if you are configuring VoIP trunks.

T.38 UDP Redundancy 0, 1, 2, 3 If T.38 fax is enabled on the system, this setting defines how many

times the message is resent during a transmission in order to avoid

errors caused by lost T.38 messages.

Default: 0

Reserved Media

Gateway Codec

G.711

G.729

G.723

Choose the preferred codec that you are using with your IP network.

Reserved Media Gateway Codec should be set to whatever is the

most-commonly used codec for Media Gateways. It determines the

amount of codec resources reserved for each Media Gateway.

Reserving resources speeds up establishment of connections. For

example, if most calls through a Media Gateway use the G.711

codec, set this to G.711. If most calls use G.729, set this to G.729.

Note that the higher the setting (G.723 > G.729 > G.711) the more

resources are set aside for Media Gateways. This may result in calls

failing to go through because of lack of available resources.

For a more detailed descriptions of the media gateway or other information about the media services card (MSC)

settings for the Business Communications System, refer to the Programming Operations Guide, MSC section.

Table 9 VoIP trunk provisioning

Prerequisites Yes No

7.a Have you confirmed the remote gateway settings and access codes required? (H.323 and

SIP trunks).

7.b Have you determined the preferred codecs required for each type of trunk and destination?

7.c Have you determined how you are going to split your VoIP resources between H.323 and

SIP trunks.

7.d Have you set up line parameters, determined line pools for H.323 and/or SIP trunks, and

set up routing and destination codes? Have you determined which system telephones will

have access to these routes?

7.e If you have not already assigned target lines, have you defined how you are going to

distribute them on your system?

Table 8 IP terminals general record fields (Continued)

Field Value Description

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 211 212

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Avaya IP Telephony Guía de configuración Pagina 36