Yealink SIP-T23P User Manual

Advanced Phone Features
133
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
5. Enter the group name in the Label field.
6. Press the Save soft key to accept the change.
7. Repeat steps 2 to 6, you can add more paging groups.
Paging list is configurable via web user interface at the path: Directory->Multicast IP.
To delete a paging group via phone user interface:
1. Press the paging list key when the phone is idle.
2. Press or to select a desired group.
3. Press the Option soft key and then select Delete.
The LCD screen prompts “Delete selected paging group?”.
4. Press the OK soft key to accept the change or the Cancel soft key to cancel.
If you want to delete all paging groups, you can press the Del All soft key.
You can also configure the phone to use a default codec for sending multicast RTP
stream via web user interface.
To configure a default codec for multicast paging via web user interface:
1. Click on Features->General Information.

Yealink SIP-T23P Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Display resolution	132 x 64 pixels
Ethernet LAN (RJ-45) ports	2
Security algorithms	HTTPS
Ethernet LAN data rates	10, 100 Mbit/s
Voice codecs	CNG, G.711a, G.722, G.726, G.729ab, VAD
Phonebook capacity	1000 entries