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Yealink SIP-T21 E2 User Manual

Yealink SIP-T21 E2
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Advanced Phone Features
121
3. Press the Save soft key to accept the change or the Back soft key to cancel.
These specific parameters are configurable via web user interface at the path
Features->Intercom.
To place an intercom call when the target phone is idle:
1. Press the intercom key when the phone is idle.
The called destination plays a warning tone and automatically answers the call in
the speakerphone mode by default.
2. To end the intercom call, press the intercom key again or the EndCall soft key.
You can use multicast paging to quickly and easily broadcast time sensitive
announcements to users who are listening to a specific multicast group. You can
configure a multicast paging key or the paging list key on the phone, which allows you
to send a Real Time Transport Protocol (RTP) stream to the pre-configured multicast
address(es) without involving SIP signaling. You can configure the phone to receive an
RTP stream from pre-configured multicast listening address(es) without involving SIP
signaling. You can specify up to 10 multicast listening addresses.
To configure a multicast paging key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select Key Event from the Type field.
4. Press or , or the Switch soft key to select Multicast Paging from the Key
Type field.
5. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
6. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Value
field.

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Yealink SIP-T21 E2 Specifications

General IconGeneral
BrandYealink
ModelSIP-T21 E2
CategoryIP Phone
LanguageEnglish

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