ZyXEL ISG50-PSTN User Guide - Page 486
SIP Auto Attendant and DDI Setup
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Chapter 30 Outbound Trunk Group Table 166 SIP Trunk Add/Edit (continued) LABEL Codec Setting DESCRIPTION Select the type of voice coder/decoder (codec) that you want this extension to use when communicating with the ISG50. The following codecs (shown in highest quality to lowest quality order) are supported by the ISG50: • G.711 alaw (typically used in Europe) • G.711 ulaw (typically used in North America and Japan) • G.729 • G.722 • G.723.1 • G.726 See Voice Codecs on page 475 for more information. When two SIP devices start a SIP session, they must agree on a codec. If these SIP extensions are assigned to videophones, you must specify the video codecs used for video calls. The ISG50 allows the following video codecs to pass through: Codec Pool Codec List Apply Cancel • H.261 • H.263 • H.264 • MP4 See Video Codecs on page 475 for more information on video codecs. This column indicates the codec types not used for these extensions. You can add a codec type to be used for these extensions by highlighting it and clicking the Right button. This column indicates the codec types used by these extensions. You can organize the priority of the codecs by highlighting it and clicking the Up or Down buttons to move the codec higher or lower in priority. The SIP extensions attempt to use the higher priority codecs first and try the lower priority codecs next. You can remove a codec type from being used from these extension by highlighting it and clicking the Left button. Click this to save your changes. Click this to set every field in this screen to its last-saved value. 30.2.2 SIP Auto Attendant and DDI Setup Use this screen to select which auto-attendant should be used with this outbound line group. See Chapter 31 on page 503 for information on configuring auto-attendants. You can also configure 486 ISG50 User's Guide
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