Avaya Multisite Business Communications Manager Systems Manuel d'utilisateur télécharger pdf (Page 21)

Conﬁguring VoIP trunk media parameters 21

Field Value Description

Jitter Buffer

Auto

None

Small

Medium

Large

Select the size of jitter buffer for your system.

G.729 payload size

(ms)

10,20,30,40,50,60

G.723 payload size

(ms)

G.711 payload size

(ms)

10,20,30,40,50,60

Set the maximum required payload size, per

codec, for the VoIP calls sent over H.323 trunks.

Note: Payload size can also be set for Nortel

IP telephones. See

BCM 4.0 Telephony Device

Installation Guide (N0060609).

Incremental

payload size

<check box> When enabled, the system advertises a variable

payload size (40, 30, 20, 10 ms).

Enable T.38 fax <check box> When enabled, the system supports T.38 fax

over IP.

Caution: Fax tones broadcast through a

telephone speaker may disrupt calls at other

telephones using VoIP trunks in the vicinity of

the fax machine. To minimize the possibility of

your VoIP calls being dropped due to fax tone

interference:

•

place the fax machine away from other

telephones

•

turn the fax machine’s speaker volume to the

lowest level, or off, if available

Force G.711 for 3.1k

Audio

<check box> When enabled, the system forces the VoIP trunk

to use the G.711 codec for 3.1k audio signals,

such as modem or TTY machines.

Note: You also can use this setting for fax

machines if T.38 fax is not enabled on the trunk.

Table 5

SIP Media Parameters ﬁelds

Field Value Description

Preferred Codecs

G.711 -uLaw

G.711 -aLaw

G.729

Add codecs to the Selected list and order them

in the order in which you want the system to

attempt to use them. The system attempts to use

the codecs in a top-to-bottom sequence.

Enterprise: Common

Solution Integration Guide for Multisite Business Communications Manager Systems

NN49000-303 01.01 Standard

Release 4.0, 3.7 29 June 2007

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 69 70

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Avaya Multisite Business Communications Manager Systems Manuel d'utilisateur Page 21

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