Yealink SIP-T2 SERIES Administrator's Manual page 609

When receiving a new text message, the phone will play a warning tone. The power
indicator LED will slow flash red, and the LCD screen will prompt receiving new text
messages with the number of waiting messages. You can customize the warning tone or
select specialized tone sets (vary from country to country) for your IP phone. For more
information, refer to Tones
Procedure
Configuration changes can be performed using the configuration files.
Configuration File
Details of Configuration Parameters:
Parameters
features.text_message.enable
Description:
Enables or disables the IP phone to send or receive text message(s).
0-Disabled
1-Enabled
Web User Interface:
None
Phone User Interface:
None
Multicast paging allows IP phones to send/receive Real-time Transport Protocol (RTP)
streams to/from the pre-configured multicast address(es) without involving SIP signaling.
Up to 10 listening multicast addresses can be specified on the IP phone.
Users can send an RTP stream without involving SIP signaling by pressing a configured
multicast paging key or a paging list key. A multicast address (IP: Port) should be
assigned to the multicast paging key, which is defined to transmit RTP stream to a group
of designated IP phones. When the IP phone sends the RTP stream to a pre-configured
multicast address, each IP phone preconfigured to listen to the multicast address can
receive the RTP stream. When the originator stops sending the RTP stream, the
on page 778.
<y0000000000xx>.cfg
Permitted Values
Configuring Advanced Features
Configure SMS for the IP phone.
Parameter:
features.text_message.enable
Default
0 or 1 1
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