The Batch Add Sip Screen - ZyXEL Communications ISG50-ISDN User Manual

Integrated service gateway

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Table 158 Extension Add/Edit: Advanced (continued)

Group Pickup

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

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

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:

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

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.

Chapter 29 Extension Management