Zyxel-communications P-2608HWL-Dx Series Manual do Utilizador descarregar pdf (Página 164)

P-2608HWL-Dx Series User’s Guide

164 Chapter 11 SIP

Enable Select this if your VoIP service provider has a SIP outbound server to handle voice

calls. This allows the ZyXEL Device to work with any type of NAT router and

eliminates the need for STUN or a SIP ALG. Turn off any SIP ALG on a NAT router

in front of the ZyXEL Device to keep it from retranslating the IP address (since this

is already handled by the outbound proxy server).

Server Address Enter the IP address or domain name of the SIP outbound proxy server.

Server Port Enter the SIP outbound proxy server’s listening port, if your VoIP service provider

gave you one. Otherwise, keep the default value.

MWI (Message

Waiting Indication)

Enable Select this if you want to hear a waiting (beeping) dial tone on your phone when

you have at least one voice message. Your VoIP service provider must support

this feature.

Expiration Time Keep the default value, unless your VoIP service provider tells you to change it.

Enter the number of seconds the SIP server should provide the message waiting

service each time the ZyXEL Device subscribes to the service. Before this time

passes, the ZyXEL Device automatically subscribes again.

Fax Option This field controls how the ZyXEL Device handles fax messages.

G.711 Fax

Passthrough

Select this if the ZyXEL Device should use G.711 to send fax messages. The peer

devices must also use G.711.

T.38 Fax Relay Select this if the ZyXEL Device should send fax messages as UDP or TCP/IP

packets through IP networks. This provides better quality, but it may have inter-

operability problems. The peer devices must also use T.38.

Call Forward

Table

Select which call forwarding table you want the ZyXEL Device to use for incoming

calls. You set up these tables in VoIP > Phone Book > Incoming Call Policy.

Caller Ringing

Enable Select the check box if you want to specify what tone people hear when they call

you. The ZyXEL Device provides a default tone, but you can add additional tones

using IVR. See Section 11.1.11 on page 157 for more information.

Caller Ringing

Tone

Select the tone you want people to hear when they call you. You should setup

these tones using IVR first. See Section 11.1.11 on page 157 for more information.

On Hold

Enable Select the check box if you want to specify what tone people hear when you put

them on hold. The ZyXEL Device provides a default tone, but you can add addi-

tional tones using IVR. See Section 11.1.11 on page 157 for more information.

On Hold Tone Select the tone you want people to hear when you put them on hold. You should

setup these tones using IVR first. See Section 11.1.11 on page 157 for more infor-

mation.

Back Click this to return to the SIP Settings screen without saving your changes.

Apply

Click this to save your changes and to apply them to the ZyXEL Device.

Cancel Click this to set every field in this screen to its last-saved value.

Table 56 VoIP > SIP Settings > Advanced

LABEL DESCRIPTION

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