Avaya BCM50 Guía de configuración descargar pdf (Pagina 114)

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114 Chapter 9 Configuring telephony resources

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IP telephone set details

After a Nortel 1120/1140 or 20XX IP telephone registers with the system, this panel displays the

terminal parameters.

The telephone is identified to the system by its IP address, so this cannot be changed. If you need

to change the IP address of a telephone, you need to deregister the telephone and then register it

again with the new IP address.

Default Codec Auto

G.711-aLaw

G.711-uLaw

G.729

G723

G.729 + VAD

G.723 + VAD

If the IP telephone has not been configured with a preferred codec,

choose a specific codec that the IP telephone will use when it

connects to the system.

If you choose Auto, the system will select the most appropriate

Codec when the IP telephone is on a call.

If you are unsure about applying a specific codec, ask your network

administrator for guidance.

Default jitter buffer None

Auto

Small

Medium

Large

Choose one of these settings to change the default jitter buffer size:

None: Minimal latency, best for short-haul networks with good

bandwidth.

Auto: The system dynamically adjusts the size.

Small: The system adjusts the buffer size, depending on CODEC

type and number of frames per packet to introduce a 60-millisecond

delay.

Medium: 120-millisecond delay

Large: 180-millisecond delay

G.729 payload size

(ms)

10, 20, 30, 40, 50, 60

Default: 30

Set the maximum required payload size, per codec, for the IP

telephone calls sent over H.323 trunks.

Note: Payload size can also be set for Nortel IP trunks. Refer to

“Configuring VoIP trunk media parameters” on page 382.

G.723 payload size

(ms)

G.711 payload size

(ms)

10, 20, 30, 40, 50, 60

Default: 20

Table 19 IP terminal Global panel fields (Sheet 2 of 2)

Field Value Description

1 2 ... 109 110 111 112 113 114 115 116 117 118 119 ... 567 568

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