Chapter 11 Voice
Table 62 VoIP > SIP Settings > Advanced
LABEL | DESCRIPTION |
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). |
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Server Address | Enter the IP address or domain name of the SIP outbound proxy server. |
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Server Port | Enter the SIP outbound proxy server’s listening port, if your VoIP service provider |
| gave you one. Otherwise, keep the default value. |
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MWI (Message |
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Waiting |
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Indication) |
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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. |
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Expiration Time | Keep the default value for this field, 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. |
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Call Forward |
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Call Forward | Select which call forwarding table you want the ZyXEL Device to use for incoming |
Table | calls. You set up these tables in VoIP > Phone Book > Incoming Call Policy. |
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Caller Ringing |
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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 11.2.10 on page 176 for more information. |
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Caller Ringing | Select the tone you want people to hear when they call you. You should set up |
Tone | these tones using IVR first. See Section 11.2.10 on page 176 for more information. |
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On Hold |
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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 |
| additional tones using IVR. See Section 11.2.10 on page 176 for more information. |
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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 11.2.10 on page 176 for more |
| information. |
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Back | Click this to return to the SIP Settings screen without saving your changes. |
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Apply | Click this to save your changes and to apply them to the ZyXEL Device. |
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Cancel | Click this to set every field in this screen to its |
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11.6 SIP QoS Screen
Use this screen to maintain ToS and VLAN settings for the ZyXEL Device. To access this screen, click VoIP > SIP > QoS.
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