ZyXEL ISG50-PSTN User Guide - Page 469
The Batch Add SIP Screen
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Chapter 29 Extension Management Table 158 Extension Add/Edit: Advanced (continued) LABEL Codec List Extra DTMF Mode DESCRIPTION This column indicates the codec types used by this extension. 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 extension attempts to use the higher priority codecs first and tries the lower priority codecs next. You can remove a codec type from being used from this extension by double-clicking it or highlighting it and hitting the Left button. Control how the ISG50 handles the tones that the IP phone using this extension makes when you push its buttons. This is configurable for a SIP extension. One use of the tones is to distinguish between numbers when trying to dial a PSTN phone number. You should use the same mode as your VoIP service provider. The choices are: MWI Enable Group Pickup OK Cancel • rfc2833 - Follow the RFC 2833 standard and send the DTMF tones in RTP packets. • inband - Send the DTMF tones in the voice data stream. This works best when you are using a codec that does not use compression (like G.711). Codecs that use compression (like G.729) can distort the tones. • info - Send the DTMF tones in SIP messages. Check this box to enable Message Waiting Indicator (MWI) mode for this extension. The ISG50 sends a beeping tone to the IP phone when there is at least one voicemail for this extension. Select this to allow other extensions in the authority group with group pickup enabled to answer calls coming into this extension and allow this extension to answer calls coming in for any of the authority group's extensions that have group pickup enabled. All of an authority group's extensions that have group pickup enabled ring when a call comes in for any one of them. Click OK to save your customized settings and exit this screen. Click Cancel to exit this screen without saving. 29.3.5 The Batch Add SIP Screen Use this screen to configure a range of extensions for IP phones on your network. To access this screen, click the Batch Add button in the Authority Group Edit screen. Figure 301 Batch Add SIP Extensions ISG50 User's Guide 469
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